31results about How to "Can't fall off" patented technology

The invention discloses a preparation method for a high flux solvent-resisting organic / inorganic hybridized compound film doped with aminated graphene quantum dot, a prepared compound film and an application of the film. The preparation method for the compound film comprises the steps of interfacial polymerization reaction, chemical crosslinking and solvent activation. According to the invention, the aminated graphene quantum dot is added into an interfacial polymerization monomer solution, so that the separating property and solvent resistance of the film are obviously promoted; the film-making time is shortened in the manner of increasing the cross-linking and solvent activating time; a large quantity of amino groups are loaded on the surface of the aminated quantum dot and can react with an organic phase monomer so as to form a firm covalent bond, so that the performance of the film is promoted while the stability of the quantum dot in the film is obviously promoted. According to the invention, the preparation process is simple and the film has wide application prospect in the fields of organic solution system separation and organic solvent-containing water treatment.

The invention relates to an easy-to-disassemble chain. The easy-to-disassemble chain comprises outer chain plates, inner chain plates and connection shafts, wherein each outer chain plate is a hollowed plate with three long circular through holes; the through holes on the two ends of each outer chain plate are connection holes used for inserting the corresponding connection shafts; each inner chain plate is an long circular ring body; two ends of each ring body are provided with arc-shaped curve parts bending to the same side; each connection shaft is a pin shaft which is provided with a round shaft cap and an long circular shaft cap on the two ends; the end, provided with the long circular shaft cap, of each connection shaft penetrates through the connection holes of the corresponding outer chain plates and the ring bodies of the corresponding inner chain plates, so that the outer chain plates and the inner chain plates are connected to form a chain body; and when the chain is stressed and stretched, the curve parts of every two corresponding inner plates are coincident, and the two corresponding outer chain plates are pressed outwards to cling to the shaft caps on the two ends of the corresponding connection shaft, so that the connection of the chain body is stable. The easy-to-disassemble chain is simple and reasonable in structure; the disassembly and assembly are convenient; and the assembled structure is stable.

The compound Chinese medicinal stone consists of sintered carrier of natural Chinese medicinal stone powder and reduce iron powder in the ratio of 100 to 5-40 and photosensitive catalyst film carrieronto the surface and of TiO2 and Ag, Cu, Pt or Pd in the weight ratio of 100 to 0.5-3. It is prepared through mixing natural Chinese medicinal stone powder and reducing iron powder as well as adhesive, sintering and cooling to obtain sintered carrier, and depositing the photosensitive catalyst film. The compound Chinese medicinal stone in different shapes may be used to degrading and adsorbing metal ions, organic matter and germ in purity water and in health care and may be recovered for reuse.

The invention belongs to the technical field of articles for daily use, and particularly relates to a garbage can which comprises a baseplate, a left side plate, a right side plate, a front side plate and a rear side plate. A first connecting plate is connected on each of the front side and the rear side of the baseplate, a second connecting plate is connected on each of two sides of each of the left side plate and the right side plate, the baseplate, the left side plate, the right side plate, the first connecting plates and the second connecting plates are of an integral structure, two sides of the front side plate and the rear side plate are fixed with the first connecting plates through clamping buckles, the lower portions of the front side plate and the rear side plate are fixed with the second connecting plates through clamping buckles, a frame is arranged at the top ends of the left side plate, the right side plate, the front side plate and the rear side plate and provided with clamping grooves, and the top ends of the left side plate, the right side plate, the front side plate and the rear side plate are arranged in the clamping grooves in a clamped manner. The garbage can can be demounted to be planar plate parts, thereby being convenient in transportation, transportation cost is saved, and the garbage can is enabled to be more attractive and less prone to fall apart.

The invention provides a double-row type pulley sheave, comprising a fixed sheave seat and a movable sheave seat fixed on the fixed sheave seat, wherein the irregular surfaces of the fixed sheave seat and the movable sheave seat are parallel; a fixed sheave is arranged in the fixed sheave seat; a hanging ring is arranged on the top of the fixed sheave seat; a movable sheave is installed in the movable sheave seat; slide grooves are arranged on baffles at the both sides of the movable sheave seat respectively; the sheave shaft of the movable sheave is arranged in the slide grooves; threads are arranged at the both ends of the sheave shaft; the movable sheave and the movable sheave seat are fixed via a nut; and the friction surface of the fixed sheave and the friction surface of the movable sheave are of concave arc shapes. The double-row type pulley sheave has the advantages of scientific design, reasonable structure and good in anti-falling-off effect, and is simple to use.

The invention disclosed a soil removing and harvesting device. The soil removing and harvesting device comprises a rack, wherein gripping conveying devices are arranged along the front end and the rear end of the rack; and a soil removing device is arranged below the gripping conveying device, which comprises double-side transmission chains, a plurality of soil removing rolls, a main transmission shaft and a secondary transmission shaft. The main transmission shaft is connected with a power outputting shaft of the soil removing and harvesting device; main transmission gears are arranged at two ends of the main transmission shaft; secondary transmission gears are arranged at two ends of the secondary transmission shaft; the double-side transmission chains surround the outsides of the main transmission gears and the secondary transmission gears; and the soil removing rolls are transversely mounted between the double-side transmission chains uniformly. A soil removing function can be fulfilled during harvesting and conveying of the device, a harvesting function can also be fulfilled, and a process of excavation, soil removing and harvesting of root-tuber crops can be finished.

A refrigeration device comprises a built-in unit, especially a pull-out drawer (4), which is guided on telescopic pull-out elements (5) so that it can be pulled out from an interior space (3). Every telescopic pull-out element (5) comprises at least one rail which is stationary (9) in the interior space (3), a rail (12) which can be displaced together with the built-in unit (4) in a depth direction of the interior space (3) and a cover part (13) extending along the mobile rail (12). At least one first cover part (13) and the built-in unit (4) have contours (16, 28) which are complementary to each other and engage with each other in a form-locking connection in a width direction of the interior space (3).

The invention discloses a sintering method for improving the mechanical strength of a tantalum wire, which comprises the following steps of: taking the metal which is lower in melting point and is easy to have a reaction with water or acid by itself or oxide of the metal as deoxidant, and jointing sintering with the pressed tantalum wire under the vacuum state, so that the oxidized part of the tantalum wire is deoxidized, and continuously heating under the vacuum state to sinter the tantalum wire and crystallize the tantalum wire after the deoxygenation is completed, so that the mechanical strength of the tantalum wire can be improved. The specific technical scheme of the sintering method comprises the following steps of: firstly putting the metal deoxidant and a container which is to be filled with the tantalum wire to be sintered such as a tantalum crucible into a vacuum film plating device, heating under the vacuum state, so that the metal deoxidant is evaporated, and forming a layer of metal film on the surface of the container filled with the tantalum wire by the metal deoxidant after cooling; and putting the tantalum wire into a film-plated container to be sintered in the vacuum sintering furnace.

The compound Chinese medicinal stone consists of sintered carrier of natural Chinese medicinal stone powder and reduce iron powder in the ratio of 100 to 5-40 and photosensitive catalyst film carrier onto the surface and of TiO2 and Ag, Cu, Pt or Pd in the weight ratio of 100 to 0.5-3. It is prepared through mixing natural Chinese medicinal stone powder and reducing iron powder as well as adhesive, sintering and cooling to obtain sintered carrier, and depositing the photosensitive catalyst film. The compound Chinese medicinal stone in different shapes may be used to degrading and adsorbing metal ions, organic matter and germ in purity water and in health care and may be recovered for reuse.

The invention discloses an anti-falling bottle opening structure. The structure comprises a bottle mass; the bottle mass comprises a bottle body and a bottle lid; the bottle body is provided with a bottle opening, a bottle neck and a rhombic connecting part; the bottle opening is connected with a sleeve cover; an arc projection is arranged on the outer side of the bottle opening; the bottle lid isprovided with a first circular through hole; a pressing head is connected to the first circular through hole; and multiple convex pins and multiple clamping projections are arranged on the inner wallof the bottle lid. The sleeve cover is provided with a circular groove; an anti-falling stop part is arranged on the inner wall of the circular groove, and is clamped with a circular projection; multiple U-shaped gaps are formed in the circular groove; a triangular projection, approaching the circular groove and gradually reduced, is arranged on the inner wall of the sleeve cover; the sleeve cover is provided with a transverse projection in the diagonal direction; the circular projection is arranged on the sleeve cover; and the circular projection is provided with a second circular through hole and an arc gap groove. The structure is reasonable in structure and simple in assembly, and prevents falling of the sleeve cover from the bottle opening.

The invention relates to a dustproof safety valve, wherein a sleeve is in interference assembly with a conical valve seat, a precision filter net and a coarse filter net are fixed on the end surface of the sleeve and are arranged inside the conical valve seat together with the sleeve, and the center of the precision filter net and the center of the coarse filter net are positioned on a central line of a hole in the conical valve seat. According to the dustproof safety valve, two layers of filter nets are arranged at the front end of a small hole which is 1mm in diameter, wherein the first layer of precision filter net is used for preventing the hole which is 1mm in diameter from being blocked by particulate matters, and the second layer of coarse filter net mainly plays a support role so as to ensure that the filter net cannot deform and fall off under the action of oil pressure.

The invention belongs to the technical field of furniture tools, and particularly relates to a door-mounted rack. The door-mounted rack comprises a bottom plate, two side plates and a hanging plate. The bottom plate, the two side plates and the hanging plate form a rack body, a plurality of mutually-paralleled erected rods are arranged between the two side plates, a hanging groove is formed in the back side of the hanging plate, a hanging rod is arranged on the hanging plate, the middle portion of the hanging rod protrudes inwards the hanging groove, a connecting piece is arranged on the hanging rod in a hanging mode, a clamping plate is arranged on the connecting piece, one end of the clamping plate is fixed on the connecting piece, a gap is reserved between the other end of the clamping plate and the connecting piece, and the clamping plate can prevent the hanging rod from being taken off from the connecting piece. The door-mounted rack is simple in structure, convenient to use and capable of being well arranged on a cabinet in a hanging mode, therefore the capacity of the cabinet is increased and more kitchen utensils can be contained in the cabinet.

The invention discloses a fixture device of a film plating glass clamping manipulator. The fixture device comprises multiple clamping clips, a substrate, a support plate and a photoelectric identifying device; the substrate is connected with a mechanical arm of the film plating glass clamping manipulator; the support plate is fixed on the substrate through bolts; the multiple clamping clips are distributed around the support plate, and are positioned between the support plate and the substrate; the photoelectric identifying device is fixed on the side edge of the support plate; the clamping clips comprise clamping hands, clamping hand brackets and pneumatic devices; the pneumatic devices are fixed on the back surface of the support plate; the clamping hands are fixed on the pneumatic devices; clamping and loosening of the clamping hands are realized through driving by the pneumatic devices; and the clamping hands can move in space surrounded by the clamping hand brackets. The fixture device can clamp glass from the side surface without contacting with the surface of the glass, guarantees the surface cleanness of the glass, and is proper in clamping force.

The invention discloses a removing device of a well pipe of an abandoned water well. The removing device comprises a hoist pan, a pulling ring, two pairs of lifting rings, two pairs of lifting hooks, limit clamping blocks, a limit conical bar and a powder flask. The pulling ring is fixedly arranged on the hoist pan, the two pairs of lifting rings are symmetrically and fixedly arranged under the hoist pan, the upper ends of the two pairs of lifting hooks are symmetrically hinged to the lifting rings, and the limit clamping blocks are correspondingly and fixedly arranged on the lifting hooks. The rear ends of each pair of lifting hooks are fixedly provided with powder flask holes, the two ends of the powder flask are movably arranged in the holes, and the upper end of the limit conical bar is connected with the hoist pan through a steel wire rope and movably arranged in the two pairs of lifting hooks. An ignition wire is ignited to detonate the powder flask, the explosive power enables the two pairs of lifting hooks to be shot into the well pipe, penetrate through the well pipe and hook the well pipe at the same time, the limit conical bar falls down to be matched with the limit clamping blocks on the lifting hooks, fixing claws arranged at the ends of the hooks also guarantee that the lifting hooks can not fall off, and then the water pipe is pulled out through a crane or a hoisting device on the ground. The removing device of the well pipe of the abandoned well is simple in structure, low in cost, good in effect, and suitable for being used and popularized in the vast rural areas.

The invention discloses a spring fixing structure of a rolling rotor type compressor and the rolling rotor type compressor, and belongs to the technical field of compressors. The spring fixing structure of the rolling rotor type compressor comprises a spring hole, a fixing chamber and a spring, wherein the spring hole is formed in a cylinder body and extends from the outer wall surface into a slip sheet groove used for mounting a slip sheet in the radial direction of a cylinder; the fixing chamber is formed in the cylinder body and structured by a part, close to the outer wall surface of the cylinder, of the spring, wherein the part is enlarged along the spring hole diameter; the spring is provided with a partial pressing part which can be freely telescoped and is arranged in the spring hole and a radially-enlarged fixing part which is connected with the partial pressing part; a partial pressing end of the partial pressing part abuts against the slip sheet; the diameter of the fixing part is larger than that of the spring hole, and the fixing part is supported into the fixing chamber; a part, abutting against the spring, of the fixing chamber, is a plane through which the fixing part of the spring can be stably propped, and thus the spring can be continuously and effectively fixed, and as a result, the sealing between the slip sheet and a roller can be ensured.

Provided is a hard-sealing spherical valve suitable for a water-coal-slurry working condition. The water-coal-slurry is featured by being high in corrosivity and temperature, great in erosion and high in particle hardness. The method comprises an end cover connected with a belleville spring which is connected with a pressing ring. The pressing ring is connected with a sealing ring. The sealing ring is connected with a valve seat. The valve seat is connected with a sphere. A shaft sleeve sleeves the outside of the sphere. A pivot joint externally sleeves the shaft sleeve. Due to the fact that a sealing surface is made by metal material, required seal pressure is much higher than that of soft sealing. The structure of a combined valve seat with a spring and a valve seat is utilized. Through a high-load belleville spring, the initial preload sealing pressure is provided. The linear expansion influence of metal material at high temperature is taken into consideration. A combined design mode of serial connection of the belleville spring is utilized so that the initial prestressing force provided by the belleville spring is satisfied. The invention is applied to the hard-sealing spherical valve suitable for the water-coal-slurry working condition.

The invention relates to the technical field of medical instruments, and discloses a non-magnetic hemostatic clip used in cooperation with an endoscope, the non-magnetic hemostatic clip comprises a clamping part and a release part, the clamping part comprises two clamping pieces and a clamp tube, the two clamping pieces are arranged in the clamp tube, the release part comprises a handle, a sliding handle is arranged on the handle in a sliding mode, a mandrel is fixedly connected to the sliding handle, and the mandrel is fixedly connected with the handle. The end, away from the sliding handle, of the mandrel is fixedly connected with a connecting piece, the mandrel is sleeved with a spring hose, one end of the spring hose is fixedly connected with the handle, the other end of the spring hose is fixedly connected with a rotating piece, and the end, away from the spring hose, of the rotating piece is detachably connected with the clamp tube. One end, far away from the mandrel, of the connecting piece is detachably connected with the two clamping pieces; the clamping piece and the clamp tube are made of non-magnetic materials or non-magnetic absorbable materials. The device can be repeatedly opened and closed, is simple and reliable in structure, is convenient to release, is moderate in clamping force, is non-magnetic in a remaining body, and does not need to worry about the influence of magnetic resonance and the alarm trouble of a security check instrument.

The invention discloses an anti-falling bottle opening structure. The structure comprises a bottle mass; the bottle mass comprises a bottle body and a bottle lid; the bottle body is provided with a bottle opening, a bottle neck and a rhombic connecting part; the bottle opening is connected with a sleeve cover; an arc projection is arranged on the outer side of the bottle opening; the bottle lid isprovided with a first circular through hole; a pressing head is connected to the first circular through hole; and multiple convex pins and multiple clamping projections are arranged on the inner wallof the bottle lid. The sleeve cover is provided with a circular groove; an anti-falling stop part is arranged on the inner wall of the circular groove, and is clamped with a circular projection; multiple U-shaped gaps are formed in the circular groove; a triangular projection, approaching the circular groove and gradually reduced, is arranged on the inner wall of the sleeve cover; the sleeve cover is provided with a transverse projection in the diagonal direction; the circular projection is arranged on the sleeve cover; and the circular projection is provided with a second circular through hole and an arc gap groove. The structure is reasonable in structure and simple in assembly, and prevents falling of the sleeve cover from the bottle opening.

The invention discloses a removing device of a well pipe of an abandoned water well. The removing device comprises a hoist pan, a pulling ring, two pairs of lifting rings, two pairs of lifting hooks, limit clamping blocks, a limit conical bar and a powder flask. The pulling ring is fixedly arranged on the hoist pan, the two pairs of lifting rings are symmetrically and fixedly arranged under the hoist pan, the upper ends of the two pairs of lifting hooks are symmetrically hinged to the lifting rings, and the limit clamping blocks are correspondingly and fixedly arranged on the lifting hooks. The rear ends of each pair of lifting hooks are fixedly provided with powder flask holes, the two ends of the powder flask are movably arranged in the holes, and the upper end of the limit conical bar is connected with the hoist pan through a steel wire rope and movably arranged in the two pairs of lifting hooks. An ignition wire is ignited to detonate the powder flask, the explosive power enables the two pairs of lifting hooks to be shot into the well pipe, penetrate through the well pipe and hook the well pipe at the same time, the limit conical bar falls down to be matched with the limit clamping blocks on the lifting hooks, fixing claws arranged at the ends of the hooks also guarantee that the lifting hooks can not fall off, and then the water pipe is pulled out through a crane or a hoisting device on the ground. The removing device of the well pipe of the abandoned well is simple in structure, low in cost, good in effect, and suitable for being used and popularized in the vast rural areas.

The invention discloses a fixture device of a film plating glass clamping manipulator. The fixture device comprises multiple clamping clips, a substrate, a support plate and a photoelectric identifying device; the substrate is connected with a mechanical arm of the film plating glass clamping manipulator; the support plate is fixed on the substrate through bolts; the multiple clamping clips are distributed around the support plate, and are positioned between the support plate and the substrate; the photoelectric identifying device is fixed on the side edge of the support plate; the clamping clips comprise clamping hands, clamping hand brackets and pneumatic devices; the pneumatic devices are fixed on the back surface of the support plate; the clamping hands are fixed on the pneumatic devices; clamping and loosening of the clamping hands are realized through driving by the pneumatic devices; and the clamping hands can move in space surrounded by the clamping hand brackets. The fixture device can clamp glass from the side surface without contacting with the surface of the glass, guarantees the surface cleanness of the glass, and is proper in clamping force.

The invention provides a double-row type pulley sheave, comprising a fixed sheave seat and a movable sheave seat fixed on the fixed sheave seat, wherein the irregular surfaces of the fixed sheave seat and the movable sheave seat are parallel; a fixed sheave is arranged in the fixed sheave seat; a hanging ring is arranged on the top of the fixed sheave seat; a movable sheave is installed in the movable sheave seat; slide grooves are arranged on baffles at the both sides of the movable sheave seat respectively; the sheave shaft of the movable sheave is arranged in the slide grooves; threads are arranged at the both ends of the sheave shaft; the movable sheave and the movable sheave seat are fixed via a nut; and the friction surface of the fixed sheave and the friction surface of the movable sheave are of concave arc shapes. The double-row type pulley sheave has the advantages of scientific design, reasonable structure and good in anti-falling-off effect, and is simple to use.

The corrosion-resistant structure of the reinforced concrete box culvert in the saline soil area comprises a conventionally-designed reinforced concrete box culvert structure, the whole body of the reinforced concrete box culvert structure is wrapped with filament machine-woven composite geotechnical cloth (two pieces of cloth and one film), and the salt-isolating and water-blocking effects are achieved; the inner wall of the reinforced concrete structure is also in a closed environment, so that the reinforced concrete structure is effectively prevented from being permeated and corroded for a long time due to chemical reaction of the salinized soil, the problem of secondary salinization diseases of the roadbed is thoroughly solved, the construction is convenient, the manufacturing cost is low, and better economic benefits and social benefits are achieved; and the method has a wide application prospect in the fields of roads, municipal administration, airport pipelines and the like in salinized soil areas.

The invention belongs to the technical field of byproduct industrial salt treatment equipment, and particularly relates to a waste salt incineration heat preservation furnace body structure. The structure comprises a furnace body. The furnace body comprises a side wall and an upper wall. The side wall sequentially comprises an outer wall layer, a middle heat preservation layer, a partition layer and a corrosion-resistant layer from outside to inside, wherein the corrosion-resistant layer is formed by splicing refractory bricks, a plurality of clamping grooves are formed in the partition layer,a plurality of connecting blocks are connected to the clamping grooves in a sliding manner, fixing grooves are formed in the refractory bricks, connecting columns are fixed to the connecting blocks,the refractory bricks are spliced and fixed to the partition layer through the connecting columns, each refractory brick comprises a layer refractory brick body and a common refractory brick body, a sliding groove is formed in each upper-layer refractory brick body, an adjusting block capable of making contact with the upper wall of the furnace body is slidably connected to each sliding groove, the side, facing the interior of the corresponding upper-layer refractory brick body, of each adjusting block is a slope, each upper-layer refractory brick body is provided with a threaded groove whichcommunicates with the corresponding sliding groove, and the threaded grooves are in threaded connection with push rods. According to waste salt incineration heat preservation furnace body structure, the problem that refractory bricks of an existing incinerator are troublesome to replace can be effectively solved.

The invention disclosed a soil removing and harvesting device. The soil removing and harvesting device comprises a rack, wherein gripping conveying devices are arranged along the front end and the rear end of the rack; and a soil removing device is arranged below the gripping conveying device, which comprises double-side transmission chains, a plurality of soil removing rolls, a main transmission shaft and a secondary transmission shaft. The main transmission shaft is connected with a power outputting shaft of the soil removing and harvesting device; main transmission gears are arranged at two ends of the main transmission shaft; secondary transmission gears are arranged at two ends of the secondary transmission shaft; the double-side transmission chains surround the outsides of the main transmission gears and the secondary transmission gears; and the soil removing rolls are transversely mounted between the double-side transmission chains uniformly. A soil removing function can be fulfilled during harvesting and conveying of the device, a harvesting function can also be fulfilled, and a process of excavation, soil removing and harvesting of root-tuber crops can be finished.

The invention discloses a subway axle box bearing. The subway axle box bearing consists of an outer ring, an inner ring, an inner retainer ring, two columns of rollers, two retainers of an integral structure, two sealing rings and a movable inner spacer ring, wherein the outer ring is provided with two raceways, the inner ring is a single raceway, the inner spacer ring is in a barrel shape, the outer ring is installed at the outer side of the inner ring, the two raceways of the outer ring correspond to the single raceway of the inner ring, one side of the inner ring is connected with the innerretainer ring, the two raceways of the outer ring are separately provided with one retainer of the integral structure, a roller is installed in the retainer, the movable inner spacer ring is installed between the two retainers, and the middle parts of two ends of the outer ring and the inner ring are separately provided with the sealing ring. The subway axle box bearing actually solves the defects of the bearing at present and has the advantages of high speed, heavy load, reliable performance and the like and is convenient in use and long in service life.