43results about How to "Guaranteed tilt" patented technology

Provided is a farm electrification system. The farm electrification system comprises a farmland power grid, a servo circuit, at least one suspension machine and an electric power agricultural machine. The farmland power grid is communicated with one end of the servo circuit, the other end of the servo circuit is connected with the electric power agricultural machine, the middle of the servo circuit is connected to the lower end of the suspension machine in a hanging mode, and the suspension machine is communicated with the servo circuit. The suspension machine comprises a right rotation electric blade type lift machine and a left rotation electric blade type lift machine. The right rotation electric blade type lift machine comprises a right rotation protective cover, right rotation blades and a right rotation motor. The right rotation blades are mounted on a rotating shaft of the right rotation motor. The left rotation electric blade type lift machine comprises a left rotation protective cover, left rotation blades and a left rotation motor. The left rotation blades are mounted on a rotating shaft of the left rotation motor. The lower end of the right rotation motor is mounted on the top face of the left rotation protective cover. The rotating direction of the left rotation motor is opposite to the rotating direction of the right rotation motor, and the rotating direction of blades of the left rotation blades is opposite to the rotating direction of blades of the right rotation blades. The right rotation motor and the left rotation motor are connected in parallel and then are communicated with the servo circuit. The farm electrification system is suitable for farmland operations.

The invention discloses a suction cup type rail cleaning device which comprises a bottom plate. Bristles are located outside a scraper. The upper end of the circumference of a rotating pipe is sleevedwith a driven belt wheel which is connected with a driving belt wheel through a belt. The driving belt wheel is connected with a motor which is fixed to the upper end of the bottom plate. The upper end of the rotating pipe is connected with a soft gas guide pipe through a mechanical sealing element. The other end of the gas guide pipe is connected with an exhaust fan. A storage battery is arranged on the bottom plate. A switch is arranged on a supporting rod and electrically connected with the storage battery. The switch is electrically connected with the motor and the exhaust fan. When a rotating plate rotates, the scraper can be driven to rotate; by arranging a first spring and a second spring, the scraper has toughness, the squeezing force is ensured by means of the first spring, and it is ensured through the second spring that the scraper can incline and be prevented from getting stuck when encountering a hard object; dirt scrapped away can be sucked away by the rotating plate andenter a dustproof box, and therefore cleaning is thorough.

The invention relates to a movable building construction device. The movable building construction device comprises a chute body, a sliding support, a sliding rail, formwork supporting frame units, connecting rods and connecting beams. The sliding support can be rotationally installed in a supporting ring at the lower end of the chute body through the connecting rod at the upper end, the supporting frame unit set composed of the two supporting formwork units can also be rotationally installed in the supporting ring through the connecting rod at the upper end, and the movable building construction device and a tank car can be synchronously pushed along the sliding rail to complete whole-section pouring. The formwork supporting frame units can be flexibly pushed to a working face needing construction through walking wheels and can be stably supported on a foundation object through supporting legs after being assembled. A worker can safely and freely walk and work under a frame body through an I-shaped frame, and the adjacent formwork supporting frame units are positioned through the connecting rods in threaded connection and then fixed into a whole through the horizontal connecting beams, the inclined connecting beams and fixing structures, so that the movable building construction device can be applied and popularized in tunnel and pipe gallery roof formwork supporting with narrow working faces, short construction periods and special positions.

A nailing device (1), comprising a housing (2), a nail cartridge (5), a setting mechanism for the setting of the nails, a bolt guiding element (6) for placement on the object (16) into which the nails are to be introduced, so that the bolt guiding element (6) is used for the setting of the nails and for the support for the nailing device, a trigger (7) for the activation of the setting mechanism, a supporting foot (8) for the additional support of the nailing device (1); it should be possible to drive the nails into the object (16) without a special alignment of the nailing device (1) by the operator, essentially vertically relative to a hypothetical object plane (17) spanned by the surface of the object (16) into which the nails are driven. This goal is attained in that the supporting foot (8) is provided with two supporting elements (9, 10) for a two-point contact, so that the nailing device (1) together with the bolt guiding element (6) has a three-point contact. Fig. 2 ---- ------ ------------------ ...... .....

The invention provides a loading method of a ship, which is applied to loading of the ship. The ship comprises a ship bow positioned at the front end, a ship stern positioned at the back end as well as a plurality of cabins positioned between the ship bow and the stern; the forefront cabin is the first cabin; and the hindmost cabin is the second cabin. The loading method of the ship comprises thefollowing steps: S1, loading cargoes in each cabin according to the preset loading total weight A of the ship, wherein the total weight of the cargoes loaded in all the cabins is B and B is less thanA; S2, calculating the weight E of the cargoes needing to be loaded in the first cabin as well as the weight F of the cargoes needing to be loaded in the second cabin according to the preset final immersion depth C2 of the ship bow and the preset final immersion depth D2 of the stern; and S3, loading the cargoes in the first cabin and the second cabin correspondingly according to the weight E of the cargoes needing to be loaded in the first cabin as well as the weight F of the cargoes needing to be loaded in the second cabin in the step S2. The loading method of the ship is higher in safety.

The invention provides a preparation method of a balance-axle bracket casting, and belongs to the technical field of balance-axle bracket castings. According to the method, a graphite chilling block is placed at the position (thermal center position) where the balance-axle bracket casting is prone to generate defects, the solidification speed of molten iron at the graphite chilling block positioncan be accelerated, a feeding head is eliminated, the phenomena of shrinkage porosity and shrinkage cavity of the casting are greatly reduced, and meanwhile, the utilization rate of the molten iron isalso improved.

The invention relates to a fan-shaped integrated badminton net rack which is light in weight, convenient to carry, and unrestricted in application occasion. The technical scheme is that the fan-shaped integrated badminton net rack comprises a bracket and a badminton net hung on the bracket; the bracket comprises a semi-ring fan handle; three supporting rods arranged in the radial direction of the fan handle and two cross rods arranged symmetrically and horizontally are connected onto the fan handle in a tight fit manner; one supporting rod is arranged vertically; two other supporting rods are arranged symmetrically through taking the vertical supporting rod as a center line; free ends of the three supporting rods are positioned at the same horizontal height; free ends of the cross rods are connected to support legs in a tight fit manner; a vertical pull rope is connected between free ends of the supporting rods on two sides and the support legs positioned on the same side; the badminton net is hung at the free ends of the three supporting rods; and the fan handle, the supporting rods, the cross rods, the vertical pull rope and the net are positioned in the same vertical plane; and the axial lines of the support legs are perpendicular to the plane.

The invention discloses a metal part polishing device. The metal part polishing device comprises a machining bottom plate, wherein an adjusting support is fixedly connected to the middle of the left side of the top of the machining bottom plate, a polishing driver sleeves the outer side of the adjusting support, supporting clamps are fixedly connected to the two sides, close to the middle, of thetop of the machining bottom plate, a dust removal filter screen is fixedly connected to the top of the machining bottom plate and located in the middle of the supporting clamps, a polishing connectingshaft is fixedly connected to the bottom output end of the polishing driver, adjusting grooves are evenly formed in the outer side face of the polishing connecting shaft, auxiliary shaft blocks are fixedly connected into the adjusting grooves, the ends, located on the outer sides of the adjusting grooves, of the auxiliary shaft blocks are rotationally connected with polishing cutter bar mechanisms, and magnet blocks are fixedly connected to the bottom of the polishing cutter bar mechanisms and the lower portions of the inner sides of the adjusting grooves. The invention relates to the technical field of metal part machining. According to the metal part polishing device, it is guaranteed that the air pressure in each polishing blade is always in the same state, and the uniformity of polishing of different hole diameters is achieved.

The invention discloses a rubber wall bushing processing mold. The rubber wall bushing processing mold comprises an upper mold, a lower mold, an oil cylinder, a guide sleeve and a guide rod. A plurality of spindle-shaped chambers are formed in the upper mold, and a plurality of spindle-shaped chambers are formed in the lower mold. Flange grooves are formed in the upper ends of all the lower mold chambers. Rubber filling holes are formed in the body of the mold. Positioning mechanisms are installed at the bottoms of all the chambers respectively. A plurality of flange pins are installed at theperiphery of each chamber of the upper mold, and are evenly distributed around the axis of the corresponding chamber of the upper mold. Each positioning mechanism comprises a through hole formed in the body of the mold, a sliding sleeve is installed in the through hole, a sliding rod is arranged in the sliding sleeve, one end of the sliding rod is fixedly connected with a pressing block arranged in the through hole, the other end of the sliding rod is fixedly connected with a limiting block, the sliding rod is sleeved with a first spring, and the two ends of the first spring abut against the pressing block and the sliding sleeve respectively. A screw corresponding to a screw hole in the bottom of an inner core conductor of a wall bushing is arranged on each pressing block. With the rubberwall bushing processing mold, one inner core conductor can be accurately positioned, and rubber can be prevented from entering the screw hole of one inner core conductor.

The low-noise high-speed oblique flow fan comprises a flow collecting shell, a flow guide cover, an impeller, a diffusion shell and a motor, the flow collecting shell and the diffusion shell are fixedly connected to form a fan diffuser shell, the rear end face of the diffusion shell is fixedly connected with the motor through an end cover connecting plate, the motor is arranged in the fan diffuser shell, and the flow guide cover is fixedly connected with the impeller. An impeller is fixedly connected to an output shaft at the front end of the motor, and a flow guide cover is fixedly connected to the front end face of the impeller. The low-noise high-speed diagonal flow fan for the ship has the advantages of being small in installation size and low in noise, and can meet installation with limited ship space and silence requirements of sailors for cabins.

An optical device is provided. The optical device including an optical member having a first main surface and a second main surface, which respectively serve as an entrance surface and an exit surface for light from a directional light source, and made of a material having a refractive index greater than 1; and a support member at least including swing means for the optical member, wherein the first and second main surfaces of the optical member swingable by the support member are able to be inclined with respect to an optical path of the light from the directional light source.

The invention discloses a double row type fore support. The double row type fore support comprises two rows of support bodies distributed in a left and right mode, a transverse reinforcing device is connected between the two rows of support bodies, and the two rows of support bodies each comprise a base, a top beam and a lifting driving device. The upper and lower ends of the lifting driving devices are separately connected with the bases and the top beams, the left and right sides of the top beams can be adjusted in a vertical rotation mode, and the lifting driving devices of the support bodies on both sides can independently perform lifting driving. According to the double row type fore support, the support bodies are separately arranged on the left and right sides, the top beams of theleft and right support bodies can be independently adjusted in height, and then the top beams are adapted to a left-and-right-inclined roadway roof; and in addition, the left and right sides of the top beams can be adjusted in a vertical rotation mode, the upper side surfaces of the top beams can incline adapting to inclination of the roadway roof, surface contact is ensured, and therefore stablesupporting is effectively ensured. In summary, the double row type fore support can effectively solve the problem of poor adaptation effect of a current roadway roof support.

The invention discloses an interval type ball and column piece conveying and sorting channel device for industrial production. The interval type ball and column piece conveying and sorting channel device comprises a supporting flat plate used for workpiece conveying, a protection plate arranged on the side of the supporting flat plate and used for fencing and an outlet formed in the bottom of the supporting flat plate and used for discharging. The fixing block is fixedly and integrally arranged at the bottom end of the supporting flat plate, a fixing frame is fixedly installed below the left side of the middle of the supporting flat plate, and meanwhile a fixing plate is fixed to the middle of the left side of the fixing frame; a fixing groove concentric with the through hole in the fixing block is formed in the fixing plate. According to the interval type ball and column piece conveying and sorting channel device for industrial production, workpieces can be conveyed and used in order at intervals conveniently, stable and rapid sorting work of the workpieces is guaranteed, the interval type ball and column piece conveying and sorting channel device can be suitable for sorting of the workpieces of different sizes and specifications, collision and abrasion of the workpieces are avoided, and the yield of the workpieces can be increased easily.