146results about How to "Easy to process and manufacture" patented technology

The invention discloses a two-plate type mould clamping mechanism and in particular relates to an isometric replaceable four-oil cylinder line-lock two-plate type mould clamping mechanism applicable to an injection moulding machine. The mould clamping mechanism mainly comprises a movable template, a fixed template, a tension rod, a mould regulation device, a jacking mechanism, a mould moving oil cylinder, internal circulation mould locking oil cylinders, ordinary mould locking oil cylinders and a displacement sensor, wherein the number of the internal circulation mould locking oil cylinders and the number of the ordinary mould locking oil cylinders are two respectively; the internal circulation mould locking oil cylinders and the ordinary mould locking oil cylinders are diagonally and symmetrically arranged; the oil return sides of ordinary mould locking oil cylinders are communicated with air; the ordinary mould locking oil cylinders can accommodate the displacement sensor to control the movement of a template and the relative position of the template; and a volume regulation sleeve is arranged on the tension rod to guarantee that the volume change of the oil return sides of the internal circulation mould locking oil cylinders is equal to the sum of the volume change of the mould locking sides of the internal circulation mould locking oil cylinders and the volume change of the mould locking sides of the ordinary mould locking oil cylinders in a mould moving process. The mould clamping mechanism can meet the requirements of the injection moulding machines of various specifications, saves material and energy, reduces the processing difficulty and guarantees the stable performance.

The invention provides crab binding equipment. The crab binding equipment comprises a drive assembly, an installing plate, a fixed table, a crab fixing assembly and a binding assembly. The fixed table is installed on the upper plate face of the installing plate, a groove for containing a crab is formed in the top face of the fixed table, the fixed table is provided with four containing grooves, two containing grooves form a set and are coaxially formed, the two sets of containing grooves are vertically formed, and the two containing grooves in the same set are both communicated with the groove. The crab fixing assembly is installed on the installing plate, and the drive assembly is in drive connection with the crab fixing assembly to drive the crab fixing assembly to move towards the groove and abut against the crab. The crab binding equipment is simple and reasonable in structure, convenient to machine and manufacture, low in manufacturing cost and convenient to install and use; meanwhile, the crab can be rapidly fixed through the crab binding equipment, a worker is not easily hurt in the fixing process, crab claws of the crab are not easily damaged, the crab binding efficiency is improved, and meanwhile the crab binding equipment is safe, reliable and convenient to use.

The invention discloses an assembling type embedded beam-column joint structure. The assembling type embedded beam-column joint structure is used for connecting steel beams and steel columns into a whole, the joint structure is constituted by a hollow cuboid-shaped core piece, and the four outer walls of the core piece are provided with connecting plates used for connecting the steel beams in a protruded mode correspondingly; two ranks of bolt holes are formed in the connecting plates corresponding to the steel beams, connecting pieces used for connecting the steel columns are symmetrically installed at the upper end and the lower end of the core piece, and flanges embedded with the steel columns are installed on the connecting pieces; and the connecting pieces and the steel columns are provided with bolt holes in a corresponding mode. While connecting safety and stability of the steel component beam columns are ensured by the structure, quick splicing can be conducted in a construction site; the overall property and the anti-seismic property are more excellent than traditional joints; and while stress concentration is reduced, the rule of connecting strengthening and component-constructing weakening is met, accordingly, structure damage caused by weak connecting is avoided, besides, the joint structure is very suitable for industrialization production, and construction is simple and rapid, so that the problems, caused by construction, of the joint quality and safety are reduced.

A cover plate assembly including a cover plate (15), an insulation element (11), an explosion-proof diaphragm (8), a pulling plate(5) and an assembling base (17), in which a chamber(28) communicated from upside to downside is provided on the assembling base (17), the cover plate(15) and the explosion-proof diaphragm(8) are insulated and fixed hermetcally inside the chamber(28) by the insulation element(11), and the cover plate(15) and the explosion-proof membrane(8) are connected electrically each other to form a decompression room(13),and the explosion-proof diaphragm(8) is electrically connected to the pulling plate (5) beneath thereof which is supported against on the assembling base (17) and is insulated from the assembling base (17) via the insulation element (11), so that the explosion-proof diaphragm(8) is broken and disconnect to the pulling plate(5) when the press applied to it is higher than a setting value. A battery using the above stated explosion-proof cover plate assembly is provided.

The invention relates to a 6RRRPRR-based six-degree-of-freedom high-precision adjusting and positioning system the mechanical structure of which is composed of a stationary fixed platform, a movable moving platform and six supporting rods in linear motion. Each support rod is composed of rotary hinges for connecting the moving platform with the fixed platform and a linear actuator. The rotary hinges are offset universal hinges and are connected with the moving and fixed platforms through flanges. The linear actuators achieve linear motion by using ball screw pairs. Such design can provide axial rotational freedom by using the relative rotation between screws and nuts so as to meet a degree of freedom distribution relation, prevent a guide mechanism, simplify structural design and improve the motion accuracy of the support rods. The stretch and retraction of the six linear support rods and the rotation of the offset universal hinges achieve the six-degree-of-freedom high-precision adjustment and positioning of the moving platform.

The invention provides an air conditioner, a wall-mounted indoor unit of the air conditioner, and the shell of the wall-mounted indoor unit. The shell of the wall-mounted indoor unit of the air conditioner includes a cover shell and a panel. Guiding grooves and shaft holes are opened in the edge of the cover shell. One edge of the panel is provided with hooks and rotating shafts. The rotating shafts are rotatably connected to the inner part of the shaft holes and the hooks are inserted in the guiding grooves. Guiding posts are also provided in the guiding grooves. Sliding grooves are arranged in the hooks, and the guiding posts are connected to the inner part of the sliding grooves in a sliding way. With the arrangement of the rotating shafts and the hooks on the panel and the arrangement of the shaft hoes and the guiding grooves opened in the cover shell, the panel is rotatably connected with the cover shell through the cooperation of the rotating shafts and the shaft holes. Meanwhile, the panel can be opened and closed easily through the cooperation of the hooks and the guiding grooves. The hooks play the guiding role, and thus the hooks with suitable sized are set only according to the need that the opening angle is decided by the panel. The length of each of the hooks is shortened, and the difficulty for processing the shell of the wall-mounted indoor unit of the air conditioner is lowered and the whole assembly is convenient.

A time delay action leakage protection switch relates to a low voltage leakage protection switch suitable for low voltage circuit below 500v characterizing in realizing stage protection composed of a switch contactor, a zero sequence mutual inductor, an adjustable time delay switch and a breaking coil, among which, the leakage current can be detected and the adjustable time delay switch is started by the zero-sequence mutual inductor, the switch can be adjusted from zero, the time limit can be adjusted at zero state and breaks quickly if it works independently or used at the final stage.

The invention relates to a production process of shoe fabric formed by flat knitting. The production process is characterized by including steps of (1) preparing raw materials, to be specifically, selecting low-melting-point leather-core color DTYs (draw texturing yarns) and Dacron color FDYs (fully drawn yarns) as raw materials; (2) stranding 3-4 low-melting-point leather-core color DTYs and 2-3 Dacron color FDYs to obtain yarns; knitting the obtained yarns on a computerized flat knitting machine to form mutually twisted loops and knitting the yarns to obtain the shoe fabric; (3) subjecting the shoe fabric to drying and ironing, to be more specifically, heating to 160-200 DEG C from the room temperature for 45-65 minutes and preserving heat for 30-45 minutes; naturally cooling to the room temperature. The low-melting-point leather-core colored DTYs comprise core layers and leather layers, the core layers are Dacron filaments and the leather layers are low-melting-point polyester. The joints of the yarn loops of the shoe fabric are adhered. The shoe fabric obtained is light and comfortable and good in shape maintenance and has good rigidity support.

The invention provides a high-modulus magnesium matrix composite material containing SiC particles. The high-modulus magnesium matrix composite material comprises the following components in percentage by mass: 1.0%-10.0% of yttrium and/or neodymium, 1.0%-15.0% of SiC, 1.0%-5.0% of at least one of tin, stibium and zinc, and the balance of magnesium, wherein the sum of the components in the percentage by mass is 100%. The preparation method comprises the following steps: punching a pure magnesium ingot, enclosing the SiC particles which are subjected to surface modification treatment and are dried into holes; heating and fusing pure magnesium under a protective atmosphere; quickly warming after stirring, and sequentially adding and stirring middle alloy of other components; controlling the middle alloy to completely fuse until the casting time is smaller than or equal to 4 minutes; refining and drossing, casting to obtain the cast ingot. The high-modulus magnesium matrix composite material is reasonable in component proportion, and easy to process and manufacture; the prepared magnesium matrix composite material has high room-temperature strength and elasticity modulus, and relatively good plasticity; the overall performance is obviously higher than that of existing rare-earth magnesium alloy; the high-modulus magnesium matrix composite material and the preparation method thereof are suitable for industrial production.

The invention discloses a novel hob. The novel hob is characterized by comprising a worm body, wherein the worm body is formed by an internal layer and an external layer, a plurality of cutter teeth and chip grooves are evenly distributed in the external surface of the external layer, and are arranged alternately, the internal layer is provided with a plurality of positioning holes with different depths, the external layer is provided with raised positioning bars, the raised positioning bars can extend and retract, and the external layer is fixed on the outside of the internal layer through the cooperation between the raised positioning bars and the positioning holes. The structure of the novel hob is novel, the novel hob is convenient to manufacture and machine, the lengths of the cutter teeth can be adjusted during use, the novel hob is flexible and changeable, and accurate to cut, and the application range is wide.

The discharge chamber of plate corona discharge ozone generator is formed from high-voltage pole plate, earthed pole plate, outer shell body and upper and lower end covers. The high-voltage pole plate is a rectangular stainless steel plate, the earthed pole plate comprises two rectangular metal plates which are symmetrically mounted and fixed on front and rear two sides of the high-voltage pole plate, and a certain discharge gap is retained for high-voltage pale plate respectively, its inner side surface is equipped with dielectric body layer with a certain thickness, and its left and right sides are respectively equipped with insulating strips, its outer shell body comprises two shell bodies with recessed groove which are respectively mounted and fixed on the outer sides of two earthed pole plates to form cooling water cavity with water inlet and outlet.

The invention relates to a random marking head without a rigid inner core. The random marking head comprises a shell, a filler, an ink inlet and inlet outlets. A chamber is formed in the shell. The filler is located in the chamber and has the ink absorption capacity. The positions nearby the ink outlets are filled with the filler, and ink flows out through clearances between fibers of the filler. Due to the existence of the filler, flowing of the ink is hindered, and meanwhile patterns formed by thrown-out ink points have the higher randomness. The random marking head is simple in structure, convenient to process and good in randomness, and the general shape of the manufactured patterns can be preset.

The invention discloses a rhomboid earthquake metamaterial with the low-frequency damping characteristic. The rhomboid earthquake metamaterial is formed by performing continuation on a plurality of earthquake metamaterial structure unit cells in the two specific directions parallel to a plate face. A honeycomb-like shape is formed with central columns at the center of the rhomboid earthquake metamaterial. The rhomboid earthquake metamaterial is distributed on the earth surface around a building, and the 0-20-Hz earthquake surface wave is effectively attenuated through the band gap characteristic. The earthquake metamaterial can be distributed on the earth surface around the building, the earthquake wave is effectively attenuated in the earthquake mesogene field through the band gap characteristic, and therefore the effect of protecting the building is achieved.

The invention discloses a double-platform mechanism. The double-platform mechanism comprises three branch chains of the same structure, and the three branch chains are each composed of a universal joint pair, a rotary pair, a spherical pair and connecting rods between the universal joint pair, the rotary pair and the spherical pair from top to bottom. Motion output of three movements of a motion platform of a parallel robot mechanism can be achieved, the mechanism is simple, machining and manufacturing are easy, a kinematic model is simple, kinematic calibration and control become easy, meanwhile, the mechanism is provided with few joints, and structural rigidity is improved.

The invention belongs to the technical field of agricultural machinery and particularly relates to an obstacle avoidance type rotary blade overload protection device. The device comprises a rotary blade shaft (1) and overload protection units (2), wherein multiple groups of overload protection units (2) are axially and fixedly connected onto the outer surface of the rotary blade shaft (1) at equal intervals; each overload protection unit (2) comprises a left disc tool apron (309), a right disc tool apron (301) and multiple groups of rotary blade protection units (3); each rotary blade protection unit (3) comprises a rotary blade (304), a first bolt (307), a left extension spring (307) and a right extension spring (302). The obstacle avoidance type rotary blade overload protection device is simple in structure and easy to process and manufacture, and the normal work is not influenced while the rotary blades are protected.

The invention discloses an electrode assembly which comprises a first polar plate, and two second polar plates, wherein active material layers are coated on two surfaces of the first polar plate, the first polar plate is continuously bent into a Z shape of a vertical cross-section along the length direction of the first polar plate, an active material layer is coated on one surface of the second polar plate, each second polar plate is continuously bent into a Z shape of a vertical cross-section along the length direction of the second polar plate, two surfaces of the first polar plate, coated with the active material layers, are respectively opposite to surfaces of the two second polar plates, coated with the active material layers, an isolating layer is arranged between the surfaces of the first polar plate, which are opposite to the second polar plates, and the first polar plate and the second polar plates are respectively provided with a contact region with connected leads. The electrode assembly is low in requirement of production equipment, is easy to process and manufacture, and is relatively prolonged in service life. The material utilization rate of the electrode assembly can be increased, the cost is lowered, and the energy density of a battery is improved, so that the volume of the electrode assembly is relatively reduced under the same capacity.

The invention discloses a battery, which comprises a battery container, an electrode component which is arranged in the battery container, and a cover plate component which is used to seal the battery container. The cover plate component comprises a cover plate, an insulating part, an anti-explosion membrane and a pulling board. The battery is characterized in that the invention also comprises an assembling seat which is provided with an empty cavity that is communicated with the upper part and the lower part. A ring-shaped sealing groove is arranged on the internal wall of the empty cavity. The periphery of the anti-explosion membrane and the periphery of the cover plate are blocked, connected and fixed in the ring-shaped groove through an overlapping and tightening connection mode. The cover plate is communicated with the anti-explosion membrane, and a pressure release chamber is formed between the cover plate and the anti-explosion membrane. Pressure release holes are arranged on the cover plate. The anti-explosion membrane is communicated with the pulling board which is arranged at the lower part of the anti-explosion membrane and is fixed on the assembling seat after being insulated by the insulating part. When the pressure of the anti-explosion membrane is larger than the set value, the electric connection of the anti-explosion membrane and the pulling board is cut down. The assembling seat is welded on the battery container, and the container is sealed. The invention provides the battery that can be conveniently provided with anti-explosion devices no matter how high or low the mechanical strength of the battery container is.

The invention provides a refrigerator and a lighting lamp assembly of the refrigerator. The lighting lamp assembly comprises a lamp seat and a lamp cover, wherein the outer surface of the lamp seat is provided with a first buckling piece, the inner surface of the lamp cover is provided with a second buckling piece matched with the first buckling piece, and the lamp cover is rotated to enable the second buckling piece and the first buckling piece to be matched, and accordingly the lamp cover is connected onto the lamp seat in sleeved mode. Therefore, by means of the lighting lamp assembly of the refrigerator of the embodiment, the first buckling piece and the second buckling piece are matched and separated through rotation of the lamp cover, and accordingly the lamp cover can be conveniently demounted and mounted from the lamp seat. Besides, the lighting lamp assembly of the refrigerator of the embodiment is simple in structure and convenient to process and manufacture.

The invention provides equipment for assembling a front valve and a rear valve of a mechanism of a diaphragm gas meter, and belongs to the technical field of gas meters. The equipment comprises a base, a press-fit mechanism and a slipping mechanism, the press-fit mechanism is installed to the base, and the output end of the press-fit mechanism can slide in a reciprocating mode relative to the base in the direction perpendicular to the base; the slipping mechanism is installed to the base and provided with a spacer, and the slipping mechanism can slide relative to the base towards the press-fit mechanism to enable the spacer to be located below the output end of the press-fit mechanism; a positioning assembly used for fixing a mechanism assembly of the gas meter is installed on the slipping mechanism. The equipment for assembling the front valve and the rear valve is convenient and rapid to operate; in the use process, the spacer can be conveniently arranged below the front valve and the rear valve, a gland and a vertical shaft can be installed on the mechanism of the gas meter simultaneously, installation is more convenient, the time and labor are saved during operation, and the installation efficiency is improved.

An automatic pressure-regulating explosion-proof device of a storage battery for an explosion-proof forklift comprises an automatic pressure-regulating explosion-proof device body arranged on a battery box. A pressure-regulating slider is arranged in an inner cavity of the automatic pressure-regulating explosion-proof device body, and the inner cavity of the automatic pressure-regulating explosion-proof device body is divided into two portions by the pressure-regulating slider, wherein one portion is a pressure chamber, and the other portion is a communicating chamber. The wall of the pressure chamber is provided with a high-pressure gas injection port, a sealing fastener is arranged in the high-pressure gas injection port, the communicating chamber is communicated with the inside of the battery box, the upper portion of the automatic pressure-regulating explosion-proof device body is provided with an exhaust port communicated with the atmosphere, the upper portion of the pressure-regulating slider contacts with the lower edge of the exhaust port, and a limiting block for limiting the pressure-regulating slider is arranged on the lower portion of the automatic pressure-regulating explosion-proof device body and contacts with the lower portion of the pressure-regulating slider. The automatic pressure-regulating explosion-proof device is simple and compact in structure, low in manufacture cost, capable of realizing automatic pressure regulation and reliable in operation.

The invention discloses a refrigerator, which comprises a refrigerator body, a first door body, a second door body and a middle hinge; the refrigerator body is provided with a first chamber and a second chamber, and the upper first chamber and the lower second chamber are partitioned from each other by a middle beam; the upper first door body and the lower second door body are separately mounted on the refrigerator body, the first door body is used for opening and closing the first chamber, and the second door body is used for opening and closing the second chamber; the middle hinge is fixed on the middle beam and located between the first door body and the second door body, and the middle hinge comprises a refrigerator body-connecting part and a door body-supporting part; the refrigerator body-connecting part is connected with the middle beam, the refrigerator body-connecting part is provided with positioning projections, and the middle beam is provided with positioning holes matched with the positioning projections; the door body-supporting part is orthogonally connected with the refrigerator body-connecting part, and the first door body and the second door body are respectively pivotally connected with the upper side and lower side of the door body-supporting part. The refrigerator utilizes the cooperation between the positioning projections and the positioning holes to fix the position of the middle hinge relative to the refrigerator body, thus ensuring the alignment between the upper door body and the lower door body, and the refrigerator is convenient to manufacture and simple and easy to assemble.

The invention relates to the technical field of clamping devices, in particular to a clamping device for valve machining. The clamping device comprises a base and a motor. The motor is fixedly connected to the right end of the base. The tail end of a spindle of the motor is fixedly connected with a multi-groove cam. The top end of the multi-groove cam is slidably connected with a cam sliding block. The top end of the cam sliding block is fixedly connected with a movable support. The movable support is slidably connected with the base. Gears are rotatably connected to the inner walls of the rear end faces of boxes. The outer sides of the gears are engaged with a rack. The right end of the rack is fixedly connected with a movable clamping rod. Through arrangement of the gears, the racks, clamping blocks and fixed rings, the clamping device can conduct clamping on different sizes of valves to facilitate subsequent machining and manufacturing, and the racks can be fixed conveniently through the clamping blocks and springs, so that the overall structure is stabilized, and accidents occurring in the machining and manufacturing process due to instable clamping of the valves are avoided. The clamping device has the huge economic benefits and broad market prospects and is worth application and popularization.

The invention relates to a plain pile reinforcement system used for reserving conditions for long-term lines passing existing lines and a construction method of the system. Under the influence of built metro lines and surroundings, later metro line building conditions are relatively strict, and in a project of passing the existing lines, conventional stratum pre-reinforcement treatment measures cannot meet the safe operation requirements of the existing lines. The system comprises existing tunnels and long-term tunnels above or below the existing tunnels, overlapping regions of planar projections of the existing tunnels and the long-term tunnels are interchanging point ranges, and plain concrete piles are arranged at the interchanging point ranges. Sleeve valve pipe grouting reinforcement areas are arranged between the existing tunnels and the long-term tunnels. By means of the system, physical and mechanical parameter indexes of interlayered soil bodies between the existing lines and the long-term lines can be effectively improved, and the safe operation of the existing lines is ensured. The system has the advantages of being flexible to arrange, adjustable in pile diameter and reliable in stratum treatment effect, and is capable of avoiding the unpredictability of a conventional stratum advance pre-reinforcement effect.

The invention provides a disc type aircraft, which has the advantages of small volume, simple structure, high safety and strong applicability. The aircraft comprises a control cabin, an aircraft body, a variable torque system, a rotor wing system, a transmission device, a power system and an undercarriage. The aircraft body is of a fixed frame body of the aircraft integral structure. The control cabin is arranged above the aircraft body. The variable torque system is driven by a servo motor. The servo motor is connected to a gear transmission mechanism and a variable torque hinge. The rotor wing system is connected at one side of the variable torque system. The rotor wing system is arranged on the outer edge of the aircraft body and comprises an upper paddle, a lower paddle and a propelling paddle. The outer ends of the upper paddle and the lower paddle are respectively fixed through a fixed ring. The propelling paddle is arranged at the bottom of the aircraft body and connected to a motor for driving the propelling paddle. A gear ring is arranged at the other side of the variable torque system. The gear ring is matched with the transmission device in the form of a gear. The power input shaft of the transmission device is connected with the power system. The power system is composed of a gearbox, a clutch and an engine and arranged in an aircraft body cabin. The undercarriage is fixed at the bottom of the aircraft body.

The invention provides a device for measuring thicknesses of air inlet and outlet sides of a turbine blade. The device can solve the problem that the existing measurement device and method is low in measurement precision, low in efficiency and high in cost. The device is characterized by comprising a standard block and a point micrometer, wherein the standard block is in a shape like a Chinese character 'ao' (concave), concentric positioning holes are symmetrically arranged on two lateral arms of the standard block, and measurement rods at two ends of the point micrometer respectively penetrate through the corresponding positioning holes.

The invention discloses an upstroke reaction steam stripping separator and a hydrogenation method. The reaction steam stripping separator comprises a reaction zone and a mass transfer separation zone, the reaction zone and the mass transfer separation zone are arranged in a same container shell body, the reaction zone is arranged in the lower part, the mass transfer separation zone is arranged in the upper part, an annular middle spacer plate and a manhole passage are arranged between the reaction zone and the mass transfer separation zone, an annular space is formed by the middle spacer plate, manhole passage and container shell body, and the annular space is closed at the lower end and is provided with an opening at the upper end, and the mass transfer separation zone is in the annular space. The method is as follows: raw material oil and a part of hydrogen enter from the bottom of the upstroke reaction steam stripping separator, the other part of the hydrogen is injected from reaction zone catalyst bed interlamination for hydrogenation reaction in a reaction zone, a gas phase product is collected at the top, and a liquid phase product is collected at the side wall. According to the upstroke reaction steam stripping separator and the hydrogenation method, equipment investment and occupied area are reduced, the problem that many leakage points are produced for the reason that two independent equipment are connected by pipelines is reduced, and the device safety is improved.

The invention discloses a low sidelobe microstrip array antenna with filtering characteristics, which comprises a dielectric substrate. A microstrip structure is formed on the upper surface of the dielectric substrate; a ground plate is formed on the lower surface of the dielectric substrate; the microstrip structure comprises a feed port with an electromagnetic signal inputted, resonators and surface mount radiation units, the resonators are respectively in coupling connection with the feed port and the surface mount radiation units, the particularly number of resonators is three or five, the number of the corresponding surface mount radiation units is four when the number of resonators is three, the number of the corresponding surface mount radiation units is eight when the number of resonators is five, the four or eight surface mount radiation units are arranged in a row. The microstrip array antenna is easy to process and make, the cost is low, integration is easy due to a planar structure, and the antenna of the invention can be applied to multiple communication systems.

The invention discloses a micro-channel filter tank with four levels of spacing-decreasing multi-cylindrical array structures, and belongs to the field of microfluidic chips. The micro-channel filtertank comprises a main body channel, a liquid storage tank and the four levels of spacing-decreasing multi-cylindrical array structures. Before the multi-cylindrical array structures are sequentially arranged at a micro-channel working entrance, all substances need to go through a garbage blocking groove of the spacing-decreasing multi-cylindrical micro-channel and then can enter the micro-channel.Since the spacing of the cylindrical unit structures is extremely small, PDMS punching residues, debris generated during experiments and other solid garbage which can influence fluid in the micro-channel and are larger than cylindrical units in spacing size can be blocked. The channel structure can significantly reduce the disturbance of the punching residues, experiment garbage and the like to the normal flow of fluid in the microfluidic channel.

The invention relates to a simply structured cavity of a household microwave oven. The cavity comprises an oven cavity 1 and a waveguide tube 2, wherein a top plate 101 or a bottom plate 102 of the oven cavity 1 is provided with a microwave lead-in port 105; a microwave lead-in port 201 and a microwave lead-out port 202 are formed on the waveguide tube 2; one end of the waveguide tube 2 is used for fixing a permatron, while the other end is fixed with the top plate 101 or the bottom plate 102 of the cavity 1. The microwave lead-in port 201 cooperates with the permatron and the microwave lead-out port 202 cooperates with the microwave lead-in port 105 of the oven cavity to lead microwaves generated by the permatron into the oven cavity 1 to cook or heat foods; the quantity of the microwaves led into the oven cavity 1 and the distribution state of the microwaves can be controlled by regulating the shapes and the sizes of the waveguide tube 2, the microwave lead-out port 202 on the microwave tube 2, the microwave lead-in port 105 of the oven cavity 1, so a turntable and a microwave stirring device are not needed any longer.

The invention provides a marine vehicle like flying fish and mainly applies to the field of ships. The marine vehicle like flying fish comprises a propeller providing the power effect, a guide tube, a ship hull like the flying fish, a rotary support pillar and tail vanes. The whole device is pushed to move with the propeller as power, the ship hull like the flying fish floats on the water surface during low-speed movement, and the movement state of the whole device is adjusted by the aid of the rotary support pillar; the ship hull like the flying fish leaves the water surface during high-speed movement, and the movement state of the whole device is adjusted by the aid of the tail vanes mounted at the rear of the ship hull like the flying fish and having a function of an air rudder and in combination with the rotary support pillar.