41results about How to "Simple form of exercise" patented technology

Disclosed are a source stirring electromagnetic reverberation chamber and a stirring method thereof. The reverberation chamber includes an electromagnetic shielding chamber, a source stirring device installed on the side wall of the electromagnetic shielding chamber, and the source stirring method used for describing installation, motion and control method of an transmitting antenna. Simultaneous change of the position and polarization direction of the transmitting antenna is realized through control of a rotating shaft to rotate. A drive device of the rotating shaft is installed at the outer side of the reverberation chamber and the rotating shaft which is installed on the inner wall of the reverberation chamber is driven to rotate through a changeover mechanism. The reverberation chamber realizes field uniformity in the reverberation chamber through rotation of a single antenna so that space utilization rate in the reverberation chamber is effectively improved and a source stirring reverberation chamber of the same volume can realize a larger test area; relative to an EUT of the same size, a source stirring reverberation chamber which is smaller in volume can be designed so that generation of high field intensity is better facilitated; and the reverberation chamber is also applicable to a condition in which a plurality of transmitting antennae are configured in a reverberation chamber to carry out source stirring.

The invention discloses a reciprocating piston type internal combustion engine device of a crankless connecting rod mechanism, and belongs to the field of internal combustion engines. Aiming at the disadvantages of a traditional internal combustion engine that a crank structure is complex, material requirements are high, the processing difficulty is high, the force state in a same condition and movement status of a connecting rod are complex, and thus the complicated inertia effect and the noise are caused, according to the reciprocating piston type internal combustion engine device of a crankless connecting rod mechanism, a non-cage curved groove ball bearing is utilized to realize a function of reciprocating motion with a large swing, the non-cage curved groove ball bearing is designed with two cycles and four reciprocating travels per cycle of rotation, two push travels are correspondingly used for compression and exhaust, and the two return travels are correspondingly used for combustion working and an air intake travel. Compared with an internal combustion engine composed of a traditional crank connecting rod mechanism, the reciprocating piston type internal combustion engineof a crankless connecting rod mechanism has the following advantages that 1, all the moving parts are axisymmetric rotary parts with simple structures; 2, the motion form is simple, and only the rotary motion and reciprocating motion are included, and less noises are generated; and 3, the parts are low in processing requirements and are easy to manufacture.

The invention discloses an on-line coating machine of a tire curing press. The on-line coating machine comprises a locating device, a support, a drive device, a spray device and a control device, wherein the locating device is used for locating a green tire; the support extends to the position right above the green tire locating center of the locating device; the drive device is arranged on the part, extending to be right above the locating device, of the support, and is provided with an elevating mechanism with an up-down adjustment function and a rotating mechanism which rotates around the vertical axis of the locating center; the spray device is equipped with a liquid path and is arranged on the drive end of the drive device so as to realize elevating and rotating actions; and the control device is connected with a control part of the drive device and a control part of the liquid path. By adopting the on-line coating machine, the production rate and the spraying uniformity are improved.

The invention relates to a three-branched-chain six-freedom-degree robot drive mechanism which is mainly and technically characterized in that three branched chains identical in structure are arranged between a movable platform and a fixed platform, a fixed platform motor is arranged on a fixed platform motor support, and the fixed platform motor, second connection rods, first connection rods and the movable platform are sequentially connected; sliding guide rails are evenly distributed on the fixed platform in the circumferential direction, a guide rail top motor is arranged at the top end of each sliding guide rail, a screw rod is arranged in each sliding guide rail through a bearing, sliding blocks are arranged on the sliding guide rails in a sliding mode, and the middle portions of the sliding blocks are meshed with the screw rods in a spiral mode; connection sleeves are arranged on the outer sides of the sliding blocks and connected with the first connection rods in a sliding mode. The three-branched-chain six-freedom-degree robot drive mechanism is reasonable in design, has the advantages of being simple and reliable in structure, stable in movement of the movable platform, and the like, has good drive performance, robustness and bearing capacity, and can be applied to the fields of detection of machine tools and robots according to different needs.

The invention specifically relates to a detection apparatus for a pressure vessel of a high-temperature gas-cooled reactor, which belongs to the field of detection apparatuses for pressure vessels. The detection apparatus 1 is located between a pressure vessel outer barrel wall 2 and a cabin barrel wall 3 and comprises an annular guide rail 4, a rail-running trolley 5, a lifting bar 6, a two-shaft scanner 7 and a positioning pin pointing mechanism 8, wherein the annular guide rail 4 is a whole circular ring formed by splicing of a plurality of arc guide rails; the rail-running trolley 5 is located on the annular guide rail 4 and can move along the rail; and the lifting bar 6 is mounted on the rail-running trolley 5, and the lower end of the lifting bar 6 is provided with the positioning pin pointing mechanism 8 which can be fixed with a positioning pin hole located in the bottom of the pressure vessel. According to the invention, the lower end of the lifting bar 6 is provided with the positioning pin pointing mechanism 8 which can be fixed with the positioning pin hole located in the bottom of the pressure vessel.

A stepped horizontal spindle harvesting machine comprises a machine frame. At least one cotton picking channel is arranged on the machine frame, a cotton picking platform is arranged on at least one side of the cotton picking channel, a plurality of spindles are arranged on the cotton picking platform, a cotton doffing platform is arranged on a corresponding position of the cotton picking platform, and cotton doffing holes are formed in the cotton doffing platform. The spindles are matched with a plurality of cotton pushing tables on the cotton doffing platform to control toothed openings of the spindles to stretch out and draw out to pick cotton. The stepped horizontal spindle harvesting machine further comprises a rotation mechanism used for rotating the spindles, a moving mechanism used for moving the cotton picking platform, a cotton conveying device used for sucking cotton into a cotton storage box and a stepped walking mechanism used for enabling the stepped horizontal spindle harvesting machine to go forwards. The cotton picking platform and the cotton doffing platform are simple in moving mode, the mechanical structure is not complex, the failure rate is low, device maintenance cost is low, and if a set of cotton picking and doffing platform is arranged on the other side of the machine frame, cotton picking can be carried out on the two sides at the same time, and cotton picking efficiency can be improved in a multiplied mode.

The invention provides a noodle cooking device. The noodle cooking device comprises a noodle basket, a cooling water pool, a hot water pool, a conveying assembly and a power mechanism, wherein the conveying assembly is connected with the noodle basket and can drive the noodle basket to move between the cooling water pool and the hot water pool; the power mechanism is in driving connection with theconveying assembly, and the noodle basket is located in the hot water pool when noodles are cooked; when noodles are treated with cooling water, the noodle basket moves to the cooling water pool fromthe hot water pool under driving of the conveying assembly; when noodles needs to be heated again, the noodle basket moves to the hot water pool from the cooling water pool, and circulation is carried out through the mode till noodle cooking is completed. By means of the noodle cooking device, the problem that a noodle cooking device in the prior art is inconveniently used is solved.

The invention discloses a three-degree-of-freedom parallel mechanism provided with arc-shaped sliding pairs. The three-degree-of-freedom parallel mechanism provided with the arc-shaped sliding pairs comprises a base, a movable platform, a restraining rod and three identical moving branched chains. The movable platform and the base are connected through the restraining rod. The movable platform has freedom degrees in three rotation directions relative to the restraining rod. The three moving branched chains are arranged symmetrically with the restraining rod as the center. Each moving branched chain comprises a lead screw assembly and one arc-shaped sliding pair. The lead screw assemblies are arranged on the base, and the arc-shaped sliding pairs are hinged to the movable platform. Each arc-shaped sliding pair comprises a lower arc-shaped connecting rod and an upper arc-shaped connecting rod, wherein the lower arc-shaped connecting rod and the upper arc-shaped connecting rod are connected in a nested mode, the lower arc-shaped connecting rod is driven by the corresponding lead screw assembly to move linearly in the axis direction of the lead screw assembly and to rotate around the axis of the lead screw assembly, the upper arc-shaped connecting rod is made to move along the arc-shaped track of the lower arc-shaped connecting rod accordingly, and one end of the upper arc-shaped connecting rod is hinged to the movable platform.

The invention discloses a cabinet-type air-conditioning inner unit and an air conditioner with the same. The cabinet-type inner unit comprises a shell body and an air dispersion assembly, wherein an air outlet is formed in the shell body; the air dispersion assembly comprises a first air guiding component and a second air guiding component, the first air guiding component is movably arranged on the shell body in the circumferential direction of the shell body, the second air guiding component is rotatably connected with the shell body, in the first no air sensing mode, at least part of the first air guiding component is located on the outer side of the air outlet, at least part of the second air guiding component is located on the outer side of the air outlet, an air supply space can be enclosed among the part of the first air guiding component located on the outer side of the air outlet, the part of the second air guiding component located on the outer side of the air outlet and a plane where the air outlet is located, and at least one of the first air guiding component and the second air guiding component is suitable for dispersing and flowing the air blown out from the air supply space. According to the cabinet-type air-conditioning inner unit, the air supply volume of the cabinet-type air-conditioning inner unit during air outlet with no air sensing can be increased, and meanwhile the control cost is low.

The invention relates to the technical field of aluminum alloy casting, and provides an energy-saving and environment-friendly high-strength cast aluminum alloy production line. The energy-saving and environment-friendly high-strength cast aluminum alloy production line comprises casting equipment, surface treatment equipment and a first conveying belt which are sequentially arranged, wherein a mechanical arm is arranged between the casting equipment and the surface treatment equipment, the surface treatment equipment is provided with a second conveying belt, an arrangement assembly is arranged between the second conveying belt and the first conveying belt, a storage part is arranged behind the first conveying belt and provided with a plurality of storage grids, the storage grids are used for storing casting parts, a rack of the arrangement assembly is arranged between the second conveying belt and the first conveying belt, supporting edges are arranged on the two sides of the rack, the middles of the two supporting edges are hollow, the two supporting edges are used for supporting the casting parts, a driving part swings while driving a parallel four-connecting-rod to slide in an inclined sliding groove of the rack, an arranging rod swings along with the parallel four-connecting-rod, and protrusions are arranged on the arranging rod at intervals and used for pushing the casting parts. Through the above technical scheme, the problem that collision is likely to cause during casting part discharging is solved.

The invention discloses a multi-cylinder internal combustion engine device, and belongs to the field of internal combustion engines. In order to overcome the defects that a crank of a traditional internal combustion engine is complex in structure, high in requirement for materials, high in machining difficulty, the inertia effect and noise are difficult to eliminate and the like, the invention designs the multi-cylinder internal combustion engine with the curved groove ball bearing mechanism replacing a crank-link mechanism. The crankshaft of a common internal combustion engine is replaced with a plurality of pairs of bevel gear shafts, an inner ring of the curved groove ball bearing mechanism is fixedly connected with a horizontal bevel gear, an outer ring is eccentrically and fixedly connected with a piston, reciprocating motion is formed in an air cylinder, and multi-cylinder reciprocating inertia is balanced. Compared with the prior art, the multi-cylinder internal combustion engine has the following advantages that 1, a motion form is simple, and the generated noise is low; 2, the inertia of reciprocating motion is counteracted, and vibration is small; 3, the part machining requirement is low, an existing engine structure is compatible, and the manufacturing is easy.

The invention discloses a double-cylinder internal combustion engine based on a three-cycle curved groove ball bearing, and belongs to the field of internal combustion engines. In order to overcome the defect that a double-cylinder internal combustion engine curved groove of a two-cycle curved groove ball bearing is uneven in abrasion, the invention provides a double-cylinder internal combustion engine based on a three-cycle non-retainer curved groove ball bearing mechanism instead of a crank connecting rod mechanism. According to the double-cylinder internal combustion engine, two inner rings of the three-period non-retainer curved groove ball bearing are fixedly connected, and a gear pair is used for driving a gas distribution mechanism and an ignition (oil injection) mechanism to allow two sets of pistons to conduct opposite reciprocating motion, so that the reciprocating inertia of the two sets of pistons is automatically balanced, and meanwhile, curved grooves of different working pressures of the curved groove ball bearing can be interchanged alternately, thus improving abrasion uniformity. Compared with the prior art, the double-cylinder internal combustion engine based on the three-cycle curved groove ball bearing has the advantages of being 1, simple in motion form and uniform in the abrasion of the curved grooves; 2, small vibration due to the fact that the inertia of the reciprocating motion is automatically counteracted; and 3, low in requirements of part machining and easy to manufacture.

The invention relates to a variable stiffness joint for a flexible robot based on a hybrid electromagnet. The variable stiffness joint comprises a motor, a hybrid electromagnet fixing shaft sleeve, the hybrid electromagnet, a joint shell, electrical pure iron and a motor supporting frame, wherein the hybrid electromagnet fixing shaft sleeve, the hybrid electromagnet and the electrical pure iron are located in the joint shell; and a joint stiffness adjusting portion adopts the combined action of the hybrid electromagnet and a spring piece, and has the advantages of being high in stiffness adjusting response speed, free of delay, free of lag and the like. The magnetic force and the stiffness are kept in a non-electrified state, and the energy-saving characteristic is achieved. Meanwhile, the characteristics of being simple in motion form, easy and convenient to manufacture, easy to operate and the like are achieved. The magnetic flux in a joint magnetic circuit system is jointly determined by currents in a permanent magnet and a magnet exciting coil (copper coil), so that the magnetic flux in the magnetic circuit system can be increased and decreased by changing the magnitude and the direction of the currents in the magnet exciting coil, that is, the joint stiffness is increased and decreased, and the joint stiffness change is nonlinear.

The invention provides a non-impeller rotor valveless pump for an artificial heart. The valveless pump comprises a pump shell, wherein the cross section profile of the inner wall surface of the shellis oblong, a first rotor and a second rotor are two cylinders with equal diameters, the first rotor and the second rotor are arranged in the pump shell in parallel, an eccentric distance is formed between the axis of the first rotor and the first axis of the inner wall of the shell, a first end cover and a second end cover are respectively arranged at two ends of the pump shell, a closed cavity isformed in the pump shell, two ends of the first rotor are supported on the first end cover and the second end cover through a first bearing and a second bearing, the first rotor can rotate freely, shoulders at two ends of the first rotor are pressed on inner rings of the first bearing and the second bearing respectively, and outer rings of the first bearing and the second bearing are pressed on the shoulders of the first end cover and the second end cover respectively, so that the axial positioning of the first rotor is realized. The valveless pump can realize the advantages of simple motionform, compact structure, good stress condition of parts and long service life.

A six-degree-of-freedom robot with three branch chains consists of a moving platform, a fixed platform and three branch chains uniformly distributed for connecting the moving platform and the fixed platform, wherein each branch chain comprises a lower cross universal hinge, a support telescopic rod assembly and an upper cross universal hinge, sequentially connected from the fixed platform to the moving platform; the support telescopic rod assembly consists of a moving connecting rod and a support connecting rod, a plane connecting rod assembly is mounted among the upper hinge bases of the moving connecting rod, the support connecting rod and the lower cross universal hinge, and the plane connecting rod assembly consists of a lower connecting rod, a middle connecting rod and an upper connecting rod; the bottom end of the upper connecting rod is connected with the moving connecting rod through a hinge pin, and the bottom end of the lower connecting rod is connected with an output shaft of a second motor on an upper fork-shaped hinge base of the lower cross universal hinge; and a lower fork-shaped hinge base of the lower cross universal hinge is fixedly mounted on the fixed platform, a first motor is mounted on the lower fork-shaped hinge base of the lower cross universal hinge, and an output shaft of the first motor is connected with a cross hinge pin of the lower cross universal hinge.