44results about How to "Easy to pull off" patented technology

The invention discloses a liquid surface tension coefficient metering instrument, which comprises: a base (1); an upright post (2) fixed on the base (1); a fixed sliding block (3) arranged on the upright post (2); a gear and a handle rotating the gear, which are arranged in the sliding block (3); a lifting sliding block (4) of which the rack is matched with the gear; a guiding device arranged between the lifting sliding block (4) and the fixed sliding block (3); a force sensor device arranged on the lifting sliding block (4) in a suspended manner; a round fixed bracket (8) supported by the force sensor device through a group of thin wires with adjustable length; an aluminum alloy hand ring (6) which contacted with the surface of tested liquid and arranged in the round fixed bracket (8); a small level gauge (7) arranged in the round fixed bracket (8) which fixes the aluminum alloy hand ring (6); and a temperature controlling heating device arranged on a container of the tested liquid. The instrument is convenient in measurement and is greatly improved in measurement accuracy compared with original instrument.

The invention relates to a full-automatic multifunctional bottle opener. A multifunctional bottle opening cutter is connected with a cutter frame disc through a thread; various types of cutters in the multifunctional bottle opening cutter are placed on a disc of the cutter frame disc; the disc is mounted in the upper part of a machine shell through a screw rod, and is movably connected with the screw rod; the cutter frame disc moves along axis when rotating to drive the multifunctional bottle opening cutter to position different bottle caps and to switch to the corresponding cutters; and a 360-degree rotating chassis is mounted at the lower part of the machine shell through a base extension shaft, and moves along axis when rotating, and is driven to position and clamp bottles. The full-automatic multifunctional bottle opener is small in size and light in mass, is more convenient for both home and entertainment venues, is simple in operation, automatically finishes the bottle opening task only by users pressing down a button, is safe, needs no manual opening of the bottles, in particular difficult-opened beer bottles, prevents dangers, is convenient and labor-saved, and is convenient for life. In addition, no similar products are on the market; and the full-automatic multifunctional bottle opener adapts to the demands of people.

The invention belongs to the technical field of building construction, and particularly relates to a pressure test method for a prestressed pipe pile and a device used in the method. The device comprises one set of center clamping plates and at least two sets of component force clamping plates. Each center clamping plate comprises a center upper clamping plate body and a center lower clamping plate body, wherein the center upper clamping plate body and the center lower clamping plate body are respectively provided with at least two sets of screw through holes corresponding to one another in position. Each component force clamping plate comprises an upper component force clamping plate body and a lower component force clamping plate body, wherein the upper component force clamping plate body and the lower component force clamping plate body are respectively provided with at least two sets of screw through holes corresponding to one another in position. The center clamping plates and the component force clamping plates are connected through steel beams. The method and device have the advantages that a prestressed pipe pile around the tested prestressed pipe pile serves as a ground anchor, a high frame does not need to be erected, heavy objects for pressing are not needed, the bearing force at which the prestressed pipe pile cannot sink can be measured only through a layer of radioactive support pressure test device, the cost of using hundreds of or thousands of tons of heavy articles to carry out the pressure test is greatly saved, the accident risk that the heavy articles collapse is completely avoided, the time for measuring test pressure is greatly shortened, and construction time is saved.

A hairiness reducing device includes multiple pairs of press-contact members arranged along a yarn path of a yarn being wound on the winding unit. Each pair of the press-contact members is formed by a first press-contact member that includes a first yarn contacting portion and a second press-contact member that includes a second yarn contacting portion arranged with the yarn path interposed therebetween. At least one of a set of first press-contact members and a set of second press-contact members includes a moving mechanism for moving one of the sets relative to the other set. The yarn contacting portions retain the yarn by sandwiching the yarn. In each pair of the press-contact members, the first yarn contacting portion is a protrusion arcuate along the yarn path, while the second yarn contacting portion is either a flat surface along the yarn path or a protrusion arcuate along the yarn path.

The invention discloses a virtual micro-classroom performance broadcasting system, and relates to the technical field of performance broadcasting. The system comprises an intelligent blackboard, a high-definition camera, a reverse viewing system, an audio acquisition device, a virtual and real performance recording and broadcasting system and a resource management platform, wherein the intelligentblackboard is used for a teacher to play teaching PPT for teaching explanation; the high-definition camera is used for recording PPT played by the intelligent blackboard and teacher images; the audioacquisition device is used for acquiring the voice of teachers; the audio acquisition device is used for being connected with a wireless audio system; and the output end of the wireless audio systemis connected with the virtual and real performance recording and broadcasting system. The virtual and real performance recording and broadcasting system comprises a screen recording and image mattingmodule and an image matting synthesis module; and the virtual and real performance recording and broadcasting system is connected with the resource management platform. According to the invention, bydesigning a set of true three-dimensional micro-class MOOC system, high-quality recording and packaging are completed quickly, heavy class recording tasks are greatly reduced, and the quality and appreciation of video courseware are improved.

A milker unit short milk tube having a downstream milk claw connection end; a position and release device joined to and extending away from the downstream milk claw connection end; a controlled flexible portion disposed in an upstream direction from the position and release device; a reinforced portion disposed in upstream direction from the controlled flexible portion; and an interior milking claw inlet sealing surface.

The invention relates to the technical field of protective films and in particular relates to a machining method of an integrally-molded protective film. The machining method comprises the following steps: step 1, feeding; step 2, hobbing; step 3, charging; step 4, drawing; step 5, molding. According to the machining method provided by the invention, a double-faced adhesive is cut and bottom paper and the double-faced adhesive are laminated, so that tool marks are not left on the bottom paper and the quality of a molded product is ensured.

The invention relates to a bowl which comprises an inner bowl and an outer bowl, wherein a circle of external threads is formed at the upper part of the external surface of the inner bowl; a circle of internal threads corresponding to the external threads is formed at the upper part of the internal surface of the outer bowl; the outer bowl is made of plastic; the inner bowl is made of ceramic; and a bowl holder is arranged at the bottom of the outer bowl and externally provided with a suction disc. The bowl is simple in structure, nontoxic and harmless, does not conduct heat easily, and is not easy to move when the bowl is used by a child.

The invention discloses a device for efficiently preparing and effectively detecting air-free water. The device comprises a transparent barrel, wherein the upper end of the transparent barrel is opened; a seal cover is sealed at the opening part, and is provided with a vacuum exhaust port; the vacuum exhaust port is connected with a vacuum pump through a vacuum pipeline; a pressure gage capable of detecting air pressure in the transparent barrel is arranged on the seal cover; a flowmeter is arranged on the vacuum pipeline; a stirring device is fixed onto the seal cover, and is provided with a drive device; stirring blades of the stirring device go deep into water of the transparent barrel; a drainage exist is formed in the lower part of the transparent barrel. The device not only can be used for more efficiently preparing the air-free water, but also can be used for indicating whether the preparation of the air-free water is completed or not.

In card clothing for a textile machine comprising a plurality of adjacent spaced-apart needles or serrated punched cut-outs disposed in rows, wherein the needles or serrated punched cut-outs are stamped and accordingly have a non-rectangular cross-sectional geometry, wherein a free passage zone for the fibers being combed is formed between the spaced-apart needles or serrated punched cut-outs, it is provided that the free passage zone (A) steadily widens viewed in the direction of travel of the sliver.

The invention discloses a welding positioning tool for a box girder cantilever crane. The welding positioning tool for the box girder cantilever crane comprises a bottom frame, a positioning frame, a dragging trolley, a core support and a pressing mechanism, wherein a first tack is arranged on the bottom frame; the positioning frame is fixed on the bottom frame, and positioning pieces can position a bottom plate and at least one side plate of the box girder cantilever crane; the dragging trolley can move along the first track; the core support is used for supporting the inner wall of the box girder cantilever crane, a plurality of telescopic protrusions are distributed on the core support in the length direction of the core support, and the telescopic protrusions can stretch out to abut against the inner wall of the box girder cantilever crane or retract to be separated from the inner wall of the box girder cantilever crane; and the pressing mechanism is arranged on the bottom frame, and the pressing mechanism can press a top plate of the box girder cantilever crane and a side plate which does not abut against the positioning piece. By means of the structural design of the welding positioning tool for the box girder cantilever crane, the problems that after welding is completed, an inner support is difficult to remove, and skip welding is difficult in positioning can be effectively solved.

The invention discloses a method for shredding food materials through metal wires and relates to the field of food material shredding. A cuboid is included, and a food material through hole penetrating through the upper surface and the lower surface is formed in the center of the cuboid; the cuboid is divided into an upper support and a lower support from the upper end of the right side face of the cuboid to the lower end of the left side face of the cuboid, and the upper support and the lower support are fixed through threads and screws or positioned through plug holes and plug pins; the multiple stainless steel wires are horizontally fixed at the positions, at the front end and the rear end of the food material through hole, of the lower support and are called as low stainless steel wires; then another stainless steel wires are fixed at the positions, at the left end and the right end of the food material through hole, of the lower support in parallel and are called as upper stainless steel wires; and a food material positioning hole is embedded in the food material through hole, a platform is arranged on the outer side of the upper end of the food material positioning hole, andthe food materials are put in the food material positioning hole, pushed downwards by a food material extrusion bar until making contact with the stainless steel wires, and cut by the stainless steelwires. The extrusion effect of the stainless steel wires on the food materials can be neglected, the food materials are shredded at a time, and the efficiency is high.

The invention provides an air particle dust pumping and discharging device of polishing equipment. The device ensures that when air particle dust is pumped and discharged out of a polishing machine, the scratching rate of a polishing disc is low, and the polishing yield of a submerged wafer is improved. A polishing equipment base is involved, a fixed disc turntable is arranged on the polishing equipment base, a ceramic disc wafer carrier is placed on the fixed disc turntable, the polishing equipment base is connected with an upper mounting frame through an upward convex arc plate, a pluralityof downward exposed polishing turntables are arranged on the upper mounting frame, the polishing turntable is used for polishing wafers on the ceramic disc wafer carrier, and at least one pumping anddischarging air port is formed in an arc plate. Each pumping and discharging air port is externally connected with an exhaust power device through an exhaust pipe, and an original vertical pumping anddischarging port is closed.

The invention discloses a direct-pull separated connector. The direct-pull separated connector comprises a connector shell and a thread bushing, wherein the thread bushing sleeves the connector shell, a pull disconnection shell is arranged outside the thread bushing, an internal thread is arranged on an inner wall of the thread bushing, an insertion space is arranged between an internal thread segment of the thread bushing and the periphery of the connector shell and is used for a front end of an adaptive connector to insert, a front end of the insertion space is an opening for the front end of the adaptive connector to enter, a rear end of the insertion space is equipped with a top ring, the top ring is provided with a sleeve body segment, the sleeve body segment can move forwards and backwards and is inserted between the thread bushing and the connector shell, a front end of the sleeve body segment is a top push end, the top push end is arranged in front of a rear end of the internal thread segment, and an unlocking spring is connected with the top ring and is used for forwards propping against the top ring. During the process of pulling the pull disconnection shell for unlocking, the unlocking spring will push the front end of the adaptive connector by the top push end of the top ring with unlocking of the thread bushing, an elastic push force belongs to an assistant force of pulling and unlocking, and thus, a pull force required for pulling the connector is reduced.

The invention discloses a self-connection type high-sealing-performance ball valve, and belongs to the technical field of ball valves. According to the self-connection type high-sealing-performance ball valve, a corresponding connection type sealing ring is arranged on the side, close to a water inlet, of a valve element, meanwhile, a connection type ring groove matched with the connection type ring groove is formed in the valve element, and when fluid is cut off, the connection type sealing ring just extends into the connection type ring groove; the connection type sealing ring is supported and shaped by utilizing the characteristic of elastic self-expansion so that the connection type sealing ring can be matched with the connection type ring groove with high tightness, and a connection type sealing structure is formed by the valve element and the connection type sealing ring from the whole. Compared with a traditional contact type sealing structure, the sealing performance of the connection type sealing structure is obviously improved, the situation of fluid leakage is not prone to occurring, meanwhile, due to the elastic effect of the connection type sealing ring, the abrasion situation can be obviously improved when the valve element rotates, and the working life and the sealing life of the ball valve are effectively prolonged.

The invention discloses a cable tension releaser, and belongs to the technical field of cable protection equipment, the cable tension releaser comprises a shell, a buffer part and a release part, the shell comprises a shell I and a shell II, and the shell I and the shell II are connected through an external snap bolt; the buffer component comprises an outer snap bolt and a buffer rope, and the release component comprises an extension spring, an inner shell and an inner snap bolt; the inner shell and the second shell are fixedly connected through an inner snapping bolt, a first pin shaft is arranged in the buffer shell, an extension spring is arranged between the first pin shaft and the second pin shaft, and the two ends of the extension spring are fixed to the first pin shaft and the second pin shaft respectively; a third connecting piece is arranged on the left side of the inner shell and fixedly connected with the right end of the buffer rope, a first connecting part is arranged on the left side of the first shell, the right side of the first connecting part is fixedly connected with the buffer rope, and the right end of the buffer rope is fixedly connected with the third connecting piece. The ship cable can be prevented from being suddenly snapped, and the product is mainly applied to a mooring rope.

The invention relates to a magnetorheological porous soft mold and a plate forming device. The magnetorheological porous soft mold comprises an elastic base body with pores; and magnetic particles integrally formed in the elastic base body, wherein the magnetic particles are distributed in the elastic base body in a dispersed mode and located outside the pores. The elastic base body comprises at least two forming sections; all the forming sections are internally provided with the pores, and the porosity of at least one forming section is larger than that of the other forming sections, so that the elastic modulus of the forming sections with the large porosity is smaller than that of the forming sections with the small porosity; or at least one forming section is internally provided with the pores and at least one forming section is not internally provided with the pores, so that the elastic modulus of the forming sections with the pores is smaller than that of the forming sections without the pores. Through the design of the structure, when a blank is in complete contact with a special-shaped female mold, the stress of the whole blank is uniform, and the situation that the blank is broken due to the fact that the forming force is too large when a deeper part is formed is avoided.