849results about How to "To achieve a fixed connection" patented technology

The invention relates to the technical field of aircrafts, in particular to a composite wing unmanned aerial vehicle. The composite wing unmanned aerial vehicle comprises a wing and body combination body, a fixed wing part, a multi-rotor part, an undercarriage, a propeller and a power mechanism. The fixed wing part comprises two fixed wings arranged on the two sides of the wing and body combination body. The multi-rotor part comprises multiple rotor mechanisms symmetrically arranged on the two sides of the wing and body combination body, each rotor mechanism comprises a connecting rod and a rotor, each connecting rod is connected with the corresponding fixed wing, each rotor is horizontally arranged on the corresponding connecting rod, each connecting rod is provided with an installation shaft arranged perpendicular to the axial direction of the connecting rod, and the end portion of each installation shaft is provided with a first slope; and each fixed wing is provided with a connecting hole matched with the corresponding installation shaft, clamping grooves are formed in the hole wall of each connecting hole, telescopic buckles are arranged in the clamping grooves, and each installation shaft is provided with grooves matched with the telescopic buckles. By the adoption of the composite wing unmanned aerial vehicle, the fixed wing part and the multi-rotor part of the unmanned aerial vehicle can be quickly installed and detached without a tool.

The invention provides an electric self-unlocking separation nut and a spacecraft, and relates to the technical field of frontiers of science and technology such as carrier rocket separation and stararrow separation. The electric self-unlocking separation nut comprises a driving motor, a motor nut, a casing, a plurality of split nuts and a plurality of unlocking balls; an output shaft of the driving motor is fixedly connected with the motor nut and is used for driving the motor nut to move along the axial direction of the inner wall of the casing; the plurality of split nuts sequentially support against to define a ring; each split nut corresponds to at least one unlocking ball; one end of each unlocking ball supports against the outer wall of one split nut, and the other end of each unlocking ball supports against the inner wall of the motor nut; at least one annular groove for accommodating the plurality of unlocking balls is formed in the inner wall of the motor nut. The electric self-unlocking separation nut is simple in structure; in addition, by arranging the unlocking balls, the problem of clamping in the unlocking process can be improved, the separation nut is enabled to be quickly unlocked, and the working efficiency is improved.

The invention relates to the field of medical equipment, in particular to a multifunctional electric bed comprising a bed head, guard bars, an angle-adjustable bed faceplate and an underframe which are mutually matched. The guard bars include tail guard bars, middle guard bars and head guard bars, the underframe comprises a bottom cover and a steel underframe body, lifting uprights are symmetrically arranged at front and rear ends of the underframe, a first inclination component and a second inclination component which are used for adjusting inclination angle of an upper bed frame are arranged on the lifting uprights, and a first rotating component and a second rotating component are correspondingly arranged on the first inclination component and the second inclination component respectively; upright bottom supports, castors and brake pedals are symmetrically arranged at two ends of the steel underframe body, mounting positions of the upright button supports correspond to those of the lifting uprights, and the upright bottom supports are connected with the steel underframe body and the lifting uprights through fixing components. By the multifunctional electric bed, difficulties of patients in turning over, sitting up, lying on the side and relieving themselves are solved, and labor intensity and burden of nursing personnel are relieved.

The invention relates to an automatic feeding and assembling device of coil frameworks. The automatic feeding and assembling device comprises a machine frame, and a clamp mechanism, an assembling mechanism and a discharging mechanism are arranged on the machine frame; the clamp mechanism comprises a rotating disc, the rotating disc is rotationally arranged on the machine frame, a driving mechanismfor driving the rotating disc to rotate is arranged on the machine frame, and a plurality of clamp bodies are uniformly distributed on the upper end surface of the rotating disc in the circumferential direction of the rotating disc; and the assembling mechanism comprises a first assembling component, a second assembling component, a third assembling component, a fourth assembling component, a fifth assembling component and a sixth assembling component, wherein the first assembling component is used for conveying yoke iron to the clamp bodies, the second assembling component is used for conveying the coil frameworks to the clamp bodies, the third assembling component is used for feeding iron nails to the clamp bodies, the fourth assembling component is used for riveting the iron nails, thefifth assembling component is used for conveying first static contact pieces to the clamp bodies, and the sixth assembling component is used for conveying second static contact pieces to the clamp bodies. By the adoption of the scheme, the coil frameworks, the yoke iron and the static contact pieces can be automatically assembled, and the machining efficiency is high.

The invention discloses a floating type offshore wind power foundation structure with an additional net cage. The structure comprises a floating type foundation mechanism. According to the structure,deep sea floating type offshore wind power and the aquaculture net cage are combined, the contradiction between offshore wind power development and fishery aquaculture is solved, meanwhile, ocean resources can be saved and utilized easily, and the economic benefits of the two industries are improved. A semi-submersible floating type foundation mode is adopted, the system can be suitable for installation of a ten-megawatt offshore wind turbine generator, the investment of the whole system is not sensitive to the water depth, and the system can be suitable for a sea area with the water depth ranging from 80 m to 1500 m. A floating foundation mechanism is adopted at the upper part; the lower part adopts a separated design of a ballast tank mechanism; according to the structure, the motion response of the floating type draught fan under the wave flow effect can be effectively reduced, damage caused by too large stress at the joint is avoided through the flexible connection mode, meanwhile,the ballast box is made of reinforced concrete materials, and the cost is reduced.

The invention discloses a paper faced gypsum board suspended ceiling construction technology, and relates to the technical field of suspended ceiling construction. According to the key points of the technical scheme, the paper faced gypsum board suspended ceiling construction technology includes the following steps of measuring and snapping of a line, installation of a suspender, installation of amain keel, installation of an auxiliary keel, installation of a paper faced gypsum board, facing of paper faced gypsum board and cleaning. The suspended ceiling formed by the construction steps has the effects that quick positioning and installation are convenient, it is ensured that after the paper faced gypsum board is installed, the stress is uniform in all directions and the dislocation, deformation, distortion and the like caused by the uneven stress of the paper faced gypsum board are avoided, moreover, the overall structure of the suspended ceiling is good in fixing effect, high in theinstallation efficiency, the paper faced gypsum board is not prone to falling off, and the overall flatness and appearance effect of the suspended ceiling are improved.

The embodiment of the invention provides a mobile phone fixing structure and a mobile phone, and belongs to the field of communication. The mobile phone fixing structure comprises a front shell, a part to be fixed and a covering part, wherein an elastic clamping hook and a stopping part are arranged on the same side of the front shell; the part to be fixed is connected to the front shell in a clamping mode through the elastic clamping hook, a clamping portion is arranged at the edge of the covering part, the covering part is provided with a limiting body protruding towards the elastic clamping hook, the clamping portion is connected to the stopping part in a clamping mode, and the limiting body and the elastic clamping hook are in contact at the back side of the head of the elastic clamping hook so that the elastic clamping hook can be limited. The mobile phone comprises the mobile phone fixing structure. According to the mobile phone fixing structure and the mobile phone, the parts can be conveniently mounted and dismounted through the elastic clamping hook, and the part to be fixed can be prevented from falling off when the mobile phone is subjected to high impact force.

The invention provides a backlight module and a liquid crystal display device. The backlight module comprises a back plate and a front frame. The back plate comprises a vertical plate and a bottom plate arranged on the surface of the vertical plate in the horizontal direction. A sliding fastener is arranged on the outer surface of the vertical plate in an outward protruding mode. The front frame comprises a side wall and a support arm arranged on the side wall surface in the horizontal direction. A sliding way parallel to the length direction of the front frame is arranged on the inner side of the side wall. The sliding fastener can slide in the sliding way in the length direction, and when the sliding fastener slides, the sliding fastener is limited in the sliding way so as to be prevented from disengaging from the direction perpendicular to the length direction of the sliding way. The liquid crystal display device comprises a panel and the backlight module. Screw-free fixation is achieved through a structure of the sliding way and the sliding fastener, the width distance occupied by the back plate at the fixation end can be reduced, the allowed distance in the width direction of an existing panel resource is met, it is not required to increase side width, and the side narrowing of the liquid crystal display device is achieved easily.

The invention relates to a large-stroke leveling lifting mechanism, which is characterized by comprising a loading upper platform, a loading lower platform, lifting driving mechanisms and lifting driving mechanism mounting bases, wherein four lifting driving mechanism mounting bases which are in rectangular distribution are arranged, each of the lifting driving mechanism mounting bases is provided with one lifting driving mechanism, each mounting base comprises at least two mounting base support legs and a middle support frame, the mounting base support legs are fixedly connected to the loading lower platform, the support frames are connected to lifting driving mechanism shells, and the top ends of the lifting driving mechanisms are connected to the upper loading platform by ball hinges. The lifting mechanism is small in size, high in carrying capacity, simple in control manner and suitable for large-stroke lifting of large-mass workpieces.

The invention discloses a mining-method tunnel bottom structure adapting to a rapid construction passageway. An inverted arch structure is arranged in the circumference of the bottom of a tunnel contour, upper-part lining is arranged inside the circumference of the upper portion of the tunnel contour, and a frame structure is arranged on the upper surface of the inverted arch structure; and the bottom of the side wall of the frame structure is connected with the upper surface of the inverted arch structure to jointly form a lower layer space, and other interior structures, the top of the frame structure and the upper-part circumference of the tunnel contour jointly form an upper layer space, so that a space structure which at least comprises one lower layer space and one upper layer space is formed. The invention further discloses a construction method of the mining-method tunnel bottom structure adapting to the rapid construction passageway. According to the mining-method tunnel bottom structure adapting to the rapid construction passageway, through mutual cooperation of the prefabricate inverted arch structure and the prefabricate frame structure, a construction passageway of vehicles and mechanical equipment is formed rapidly, and the mining-method tunnel bottom structure can be applied to the situation that go-through of the vehicles and the mechanical equipment is rapidly recovered after inverted arch construction is conducted.

The invention provides a pneumatic self-locking separation nut and a spacecraft and relates to the technical fields of carrier rocket separation, satellite and rocket separation and other frontiers ofscience and technology. The pneumatic self-locking separation nut comprises a gas generator, a gas cylinder, a housing, multiple segmented nuts and multiple unlocking balls. The outer wall of the gascylinder is in abutting connection with the inner wall of the housing, and the gas cylinder and the housing form a gas cavity. The gas generator introduces gas towards the gas cavity so as to drive the gas cylinder to move in the axial direction of the inner wall of the housing. The multiple segmented nuts are sequentially connected in an abutting mode to form an annulus through enclosure. Each segmented nut corresponds to at least one unlocking ball. One end of each unlocking ball is in abutting connection with the outer wall of the corresponding segmented nut, and the other end of each unlocking ball is in abutting connection with the inner wall of the gas cylinder. At least one annular groove for containing the multiple unlocking balls is formed in the inner wall of the gas cylinder. The pneumatic self-locking separation nut is simple in structure, the stuck problem in the unlocking process can be solved by arranging the unlocking balls, quick unlocking can be achieved through theseparation nut, and the working efficiency is improved.

The invention relates to a wet cleaner, which comprises base, upright handle connected to the base; liquid distributor with liquid distributing head, liquid barrel, and liquid tube; liquid recycler with recycle chamber, absorber and recycle channel; and vacuum resource. Wherein, the back of upright handle is connected to the liquid barrel fixer; the fixer and the upright handle have contain space between them; the liquid barrel can be removed outside the contain space; therefore, when using, only need to insert the liquid barrel into contain space to connect the barrel with main body.

The invention provides a cooking appliance, which comprises a box body, a control box and a furnace door assembly, wherein the control box is arranged at the right side of an accommodating cavity; the front surface of the control box is flush with the front surface of the box body; the furnace door assembly is articulated with the box body, is used for opening or closing the accommodating cavity, and can cover the control box; the furnace door assembly comprises a door body, a handle cover and a heat insulation part; a connection end of the door body is articulated with the box body; a free end covers the control box; the handle cover is fixed on the free end, and sinks towards the door body to form a handle groove; and the heat insulation part is fixed between the door body and the handle cover, and is located in the handle groove. According to the cooking appliance provided by the invention, the handle cover and the door body are formed into an integral structure, so that arrangement of the individual handle is reduced; and the production cost of the product is reduced. The free end fixed with the handle cover covers the control box, and the heat insulation part is located in the handle groove, so that the condition that hands are scalded by the surface of the door body when a user opens the door is avoided; and the reliability and the safety of the product are improved.

The invention belongs to the technical field of woodworking planing tool processing, and particularly relates to a rapid assembling and disassembling universal clamp for right angle surface planning processing. The universal clamp comprises a bottom plate and a base plate arranged on a working platform, wherein the bottom plate is provided with a driving device, and the base plate is provided with a positioning device; the universal clamp also comprises a clamping device arranged between the driving device and the positioning device, the driving device comprises air cylinders, the air cylinders are fixed on the bottom plate, the driven ends of the air cylinders are fixedly connected with wedge blocks, and the wedge blocks are connected with guiding grooves fixedly formed in the bottom plate in a sliding manner; the clamping device comprises a pressing plate, the middle of the pressing plate is connected with the working platform in an elastic manner, and the driving end of the pressing plate is connected with the bottom plate in the elastic manner; the positioning device comprises a variable positioning plate fixedly connected with the base plate. According to the technical scheme, the planing processing rapid assembling and disassembling universal clamp for the right angle surface planning processing, provided by the invention, has the characteristics that the suitability is strong, the operation is easy, and the production efficiency is high.

The invention discloses a fast replacing mechanism for a robot fixture. The fast replacing mechanism comprises a fixed connection member, a sliding sleeve, a driving mechanism, positioning members and a flange sleeve, wherein the right end of the fixed connection member is fixedly connected with a robot flange, the outer wall of the left end of the fixed connection member is sleeved by the right end of the flange sleeve, a cavity is formed in the middle of the fixed connection member, the sliding sleeve is sleeved in the cavity, the driving mechanism is fixedly connected with the fixed connection member, a plurality of inner positioning holes which are communicated with the cavity are formed on the side wall of the fixed connection member, outer positioning holes which are communicated with the inner positioning holes are formed at the positions on the side wall of the flange sleeve, the positions correspond to positions of the inner positioning holes, the positioning members are sleeved in the inner positioning holes respectively, the sliding sleeve can move rightwards or leftwards along the cavity under the actions of the driving mechanism, the sliding sleeve can abut against the inner ends of the positioning members during sliding, and simultaneously, the other ends of the positioning members are forced to be snapped in the corresponding outer positioning holes. By means of matching of the positioning members, the inner positioning holes, the outer positioning holes and the sliding sleeve, fixed connection of the fixed connection member and the flange sleeve is achieved, so that connection of a robot and the fixture is achieved.

The invention discloses a coaxial electric connector with a special terminal structure, which is used for matching with a test probe and comprises an insulation body, an outer casing covering the periphery of the insulation body, and a movable terminal and a fixed terminal that are accommodated in the insulation body, wherein the insulation body comprises an upper insulation body and a lower insulation body which are matched in a fastening and fixing way. The structure realizes the fixed connection of the upper insulation body and the lower insulation body, the upper insulation body and the lower insulation body are fixedly connected into a whole in a pressing way and are not easily loosened so as to be convenient for assembly, and the coaxial electric connector has simple structure and easy implementation.

The invention discloses a food processor with a heating function. The food processor comprises a cup body (1) and a cup base (2), a blade (3) is arranged in the cup body (1), and a cutter shaft of theblade (3) penetrates through the cup body (1) and the cup base (2); the cup body (1) comprises a glass cup body (11) and a metal bottom cover (12), the glass cup body (11) is of a cylindrical structure, and the metal bottom cover (12) seals the bottom of the glass cup body (11); a heating belt (4) is tightly attached to the outer side wall of the metal bottom cover (12), and a disc-shaped heatingbody is not arranged between the bottom wall of the metal bottom cover (12) and the cup base (2). According to the food processor with the heating function, the problem of the burnt bottom is effectively solved, the lightweight cup body is achieved, and the working noise of the blade is also reduced.

The invention relates to a curtain wall clamp. The curtain wall clamp comprises a clamp body, supporting plates and a locking part. A groove is formed in the clamp body, and threads are arranged on the inner wall of the groove. The supporting plates are provided with threads, installed in the groove and meshed with the groove. The locking part penetrates through a gland to be locked on the clamp body, and the locking part and the clamp body are connected into a whole. By the adoption of the curtain wall clamp, according to the scheme, the supporting plates and the clamp body are designed independently, according to installation needs of glass, the angles of the supporting plates are adjusted, and then the supporting plates are installed in the groove and meshed with the groove through the threads arranged on the groove and the supporting plates to achieve fixed connection. In this way, the angles of the supporting plates can be detachably and freely adjusted, and the multiple supporting plates can be arranged according to needs to meet the installation requirements of different included angles of the glass. In addition, only one die needs to be made, so that a great deal of die making cost is saved, and production in a large-batch mode is convenient.

The invention relates to the technical field of detection and discloses a thermal shock test system. In order to solve the problem about waste gas treatment, the invention provides the technical scheme as follows: the system comprises a high-temperature test box (3) and the like, and is characterized by also comprising a waste gas storage box (1), a waste gas filtering box (5) including a rough filtration device (5-1), a first pipeline (2) and a second pipeline (4), wherein the waste gas storage box (1) comprises a waste gas box body (1-10), a guide block (1-2) with a guide hole, a guide bar (1-3), a counterweight plate (1-6), a gas bag (1-8) and a mounting plate (1-9); one end of the first pipeline (2) is communicated with a high-temperature test cavity (3-13) and the other end of the first pipeline (2) is communicated with the inside of the gas bag (1-8) through the mounting plate (1-9); and one end of the second pipeline (4) is communicated with the high-temperature test cavity (3-13) and the other end of the second pipeline (4) is communicated with the input port of the rough filtration device (5-1). The thermal shock test system has the beneficial effect that waste gas can be purified during the thermal shock test.