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165results about How to "Replaceable" patented technology

Intelligent modular hollow joint

The invention belongs to the technical field of robots and particularly relates to an intelligent modular hollow joint. The intelligent modular hollow joint comprises a motor, a brake, an incremental encoder, a harmonic reducer, an absolute encoder, a torque sensor, a hollow wiring tube and a tail-end output shaft. The brake and the incremental encoder are arranged on a rear end cover of the motor and in transmission connection with the rear end of a motor output shaft through a transmission device, the front end of the motor output shaft is connected with the harmonic reducer which is connected with one end of the tail-end output shaft, the outer end of the tail-end output shaft is connected with the torque sensor, and the absolute encoder is mounted on the tail-end output shaft. The motor output shaft and the tail-end output shaft are both in hollow structures, the hollow wiring tube sequentially penetrates through the tail-end output shaft, the harmonic reducer and the motor output shaft, and one end of the hollow wiring tube is connected with the rear end cover of the motor while the other end of the hollow wiring tube is rotatably connected with the tail-end output shaft. The intelligent modular hollow joint in modular design is applicable to robot joints, and all parts of the intelligent modular hollow joint are replaceable to make it convenient for modification.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI

Marine medium speed diesel engine high pressure common rail system hardware-in-loop simulation test platform and test method

InactiveCN105022383AReach injection pressureReplaceableElectric testing/monitoringState parameterCommon rail
The invention discloses a marine medium speed diesel engine high pressure common rail system hardware-in-loop simulation test platform and a test method. The test platform comprises a common rail system auxiliary unit, a common rail execution mechanism, a virtual marine medium speed diesel engine, an electric control unit, a test platform monitoring system and a local control system. The complete high pressure common rail execution mechanism and the electric control unit are integrated; the virtual diesel engine is used for providing an actual working condition for the electric control unit and the local control system, and the test platform is highly integrated and comprehensive, and research and test on features of the high pressure common rail system, control strategies and performance of the execution mechanism can be carried out. The complete common rail system is kept, fuel pump operation, fuel injection and diesel engine operation state parameters which are the same as those of a real diesel engine can be realized in a lab, working condition changes of the virtual diesel engine can be realized through steering a telegraph lever, and the test platform of the invention can serve as research and teaching equipment for the marine diesel engine high pressure common rail system and has promotion and use values.
Owner:WUHAN UNIV OF TECH

Compound type pneumatic non-contact gas claw

The invention discloses a compound type pneumatic non-contact gas claw which comprises a gas claw casing and a shunting ring, wherein the gas claw casing is provided with a downwardly opening cylinder cavity; a workpiece grabbing through hole is formed at the center of the shunting ring; the gas claw casing includes a gas claw top cover, a gas claw middle part and a bottom sucking disc, which are detachably and hermetically connected; the gas claw top cover is provided with a gas inlet communicated with the cylinder cavity; the gas claw middle part is provided with a rotary reflux cavity forming the main body section of the cylinder cavity; the bottom sucking disc is provided with a circular sucking disc concave cavity communicated with the cylinder cavity; the shunting ring is in clearance sleeve in the circular sucking disc concave cavity; an annular clearance gas injection channel is defined by the back side of the shunting ring and the cambered curve of the bottom wall of the circular sucking disc concave cavity; three groups of small pressurizing holes surrounding the grabbing through hole are uniformly distributed on the shunting ring in an equal-radian manner; a workpiece to be grabbed is suspended in front of the grabbing through hole to achieve the dynamic balance and the non-contact grabbing and handing functions under the combined action of negative pressure generated at the high pressure gas rotary reflux center, positive pressure generated in high pressure gas overflowing out of the annular clearance gas injection channel and the self-weight of the workpiece.
Owner:NINGBO UNIV

Modularization miniature weight-losing capsule robot based on wireless power supply and communication

The invention discloses a modularization miniature weight-losing capsule robot based on wireless power supply and communication and provides novel weight-losing treatment equipment which conducts wireless type energy supply by using a resonance principle and removes power source equipment to reduce the size of capsules, conducts expansion and shrinkage by wireless communication control equipment, and has modularization design. The modularization miniature weight-losing capsule robot solves the problems that the guiding process and the aerating process of traditional stomach inside balloon weight-losing equipment greatly damage a patient, the size of existing ingested treatment equipment without auxiliary guiding is difficult to reduce due to power supply demands of a power source, and repeated use of a whole machine is low. Compared with a similar product, the modularization miniature weight-losing capsule robot is small in size, can be normally taken or drained, is low in patient damage and pain, has treatment effectiveness and economy, and is outstanding in feature. The modularization miniature weight-losing capsule robot provides a novel scheme for non-invasive obesity treatment, provides a solution for sufficient energy supply of miniature internal medical equipment and small size contradictory, and simultaneously modularization design saves treatment cost and creates conditions for product commercialization.
Owner:BEIHANG UNIV

Detachable hydraulic cylinder with carbon fiber composite for connection and load bearing

The invention discloses a detachable hydraulic cylinder with a carbon fiber composite for connection and load bearing. The detachable hydraulic cylinder comprises an end cap, a cylinder head, a cylinder barrel outer layer, a cylinder barrel lining, a cylinder bottom, a piston rod and a piston. The cylinder barrel outer layer is formed by adopting high-strength carbon fibers as reinforcing material and epoxy resin as a substrate, and winding the carbon fibers on a cylinder barrel assembly metal part by adoption of a contact molding method. Compared with a metal hydraulic cylinder, the detachable hydraulic cylinder has the advantage of being remarkably low in weight; compared with an existing composite hydraulic cylinder, by adopting a composite body as the connection structure, the reliability is higher than that of adhesive connection; due to the fact that threads, bolts and pins are not adopted for connection between the composite and metal parts, the composite structure is not locally damaged by machining, the continuity and integrity of the carbon fibers are guaranteed, and the advantage of high strength of the carbon fibers is given full play to the greatest extent; and a cylinder barrel assembly can be separated from other assemblies, so that the maintenance cost and difficulty of the detachable hydraulic cylinder are lower than those of an integral composite hydraulic cylinder.
Owner:ZHEJIANG UNIV

Power generation device for revolving body underwater vehicle

The invention relates to a power generation device for a revolving body underwater vehicle. Four power generators are fixedly arranged on a cross-shaped support frame; a pendulum hammer is positioned below the center of the cross-shaped support frame; and the pendulum motion of the pendulum hammer is converted into rectilinear motion of each threaded sleeve through four sets of spatial crank slider mechanisms composed of a top rod, a connecting rod and a threaded sleeve respectively. When each threaded sleeve rectilinearly moves, rotor shafts of the power generators are driven to rotate under the constraint of a guide rod and through the transmission of a reverse ball screw so as to realize the purpose of converting collected mechanical energy into electric energy for the use of the revolving body underwater vehicle. The power generation device has the beneficial effects that the shaking kinetic energy of the pendulum hammer in a space in different directions is converted into the electric energy, so that the problem of energy supply of the revolving body underwater vehicle is basically solved; the power generation device has the advantages of simple structure, easiness in processing and high efficiency; and the whole power generation device is cylindrical in appearance, is compact in structure, is installed in the revolving body underwater vehicle as an independent module, has the replaceability, is not affected by the marine bad environment and is not limited by power generation time.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Economical and practical embedded freezing and cold storage fresh-keeping and preservation low-intensity magnetic field modularization device

The invention discloses an economical and practical embedded freezing and cold storage fresh-keeping and preservation low-intensity magnetic field modularization device which can be applied to refrigerators, intelligent cabinets, wine cabinets, warehouse logistics equipment and the like. The device comprises a coil frame, a magnet exciting coil and a control circuit, the magnet exciting coil is arranged in the coil frame so as to generate a steady low-intensity magnetic field or a pulse steady low-intensity magnetic field; and the control circuit is connected with the magnet exciting coil and used for adjusting the magnetic field intensity of the steady low-intensity magnetic field or the pulse steady low-intensity magnetic field and the magnetic field frequency and the duty ratio of the pulse steady low-intensity magnetic field. According to the device, a small-size coil frame and a small-size wire diameter are adopted, so that the ratio range of the weight of the device to the effective storage volume of embedded equipment is 0.05-0.5 kg/L, the unit volume energy consumption of the embedded equipment is 0.03-5.0 W/L, important factors such as weight, magnetic field intensity and frequency, coil heat dissipation, magnetic field duty ratio and the like are balanced, high-quality and low-energy-consumption freezing and refrigeration of food, medical supplies, agricultural product raw materials, fresh flowers, plant seeds and the like by the magnetic field are kept to the maximum extent.
Owner:INDUC SCI CO LTD

Spiral groove machining device for automobile sleeve

The invention provides a spiral groove machining device for an automobile sleeve. The spiral groove machining device comprises a machine base; the machine base includes a bottom plate, a first supporting plate and a second supporting plate, wherein the first supporting plate and the second supporting plate are fixedly connected on the bottom plate at intervals, the first supporting plate is provided with a positioning shaft in a rotating mode, the second supporting plate is provided with a pressing shaft concentric with the positioning shaft in a sliding mode, and a hydraulic driving device isconnected with the portion, extending out the second supporting plate, of the pressing shaft; the bottom plate between the first supporting plate and the second supporting plate is fixedly connectedwith a sliding seat, and a tool holder assembly is arranged on the sliding seat in a sliding mode; two parallel screw rods are arranged between the first supporting plate and the second supporting plate, and the screw rods are connected with the tool holder assembly in a spiral motion mode; and a driving mechanism for driving the positioning shaft and the screw rods to rotate synchronously is disposed at the outside of the first supporting plate. According to the spiral groove machining device for the automobile sleeve, a spiral groove in a sleeve blank is machined by the special machining device to avoid occupying the normal use of a standard machine tool, the machining efficiency is improved, procedures in the machining process are reduced, the size is consistent during each time of machining, and the replaceability is achieved.
Owner:重庆朗奥机械有限公司

Palate mouth cavity model simulation method and palate mouth cavity models for teaching

The invention relates to a palate mouth cavity model simulation method and palate mouth cavity models for teaching. A palate skeleton and a plurality of mucous layers are adopted, wherein the palate skeleton is provided with an upper dentition and corresponding gingivae. Each mucous layer is matched with the palate skeleton in shape and provided with tooth holes corresponding to the dentition, and a symptom structure corresponding to one of palate symptoms. The mucous layers provided with the different palate symptoms are respectively connected with the dentition on the palate skeleton in a penetrating mode through the tooth holes to be in adsorbed connection to the palate skeleton, and the various corresponding palate mouth cavity models are formed. The relative soft and elastic mucous layers are arranged on the palate skeleton made of hard materials, the characteristic that the palate symptoms are mainly centralized on mucous membranes is utilized, the mucous layers and the palate skeleton are made into a separable mode, the various symptoms of the mucous membranes are arranged on the corresponding mucous layers respectively, the palate skeleton is matched with the mucous layers in a one-to-one mode, the mouth cavity models are formed, the cost of the teaching aids is greatly reduced, and meanwhile the models are quite vivid.
Owner:南京大学医学院附属口腔医院

Maintainable tunnel lining water pressure and displacement monitoring system

The invention relates to a maintainable tunnel lining water pressure and displacement monitoring system. With the system, a maintenance problem of the monitoring system is solved effectively; and a water pressure value at the back of tunnel lining and an absolute displacement value of an inverted arch filling surface in a tunnel can be provided in real time, so that the safe training driving can be guaranteed. Monitoring sections are arranged at intervals along a tunnel extending direction; water pressure monitoring devices, displacement monitoring devices, wireless data employing instruments, and repeaters are arranged on all monitoring sections; the water pressure monitoring devices are arranged above drainage blind ditches at the two sides beyond tunnel lining; and the displacement monitoring devices are arranged at an inverted arch layer and a central ditch part above the inverted arch segment of tunnel lining. The water pressure values, detected by the water pressure monitoring devices, at the back of tunnel lining and lifting displacement values, detected by the displacement monitoring devices, of the inverted arch segment of tunnel lining are transmitted to the corresponding wireless data employing instruments; and then the data are transmitted to a monitoring center by the repeaters.
Owner:CHINA RAILWAY ERYUAN ENG GRP CO LTD

Micro-displacement platform driven by piezoelectric ceramics

The invention relates to a micro-displacement output platform with a two-stage amplifying mechanism. The platform is mainly composed of a driving part, an amplifying part, a motion executing part anda measuring part. The driving part mainly realizes the function by piezoelectric ceramics, and pretightening of the piezoelectric ceramics is realized by disc springs; the amplifying part is formed bycombining a traditional hinge and a flexible hinge; and the measuring part consists of an ultrasonic-based measuring device. According to the micro-displacement mechanism, the output displacement precision is high, the dynamic response is fast, the characteristic of the disc spring enables the pretightening force to be kept constant in the piezoelectric ceramic output displacement process, and the symmetrical distribution of the hinges can effectively eliminate parasitic displacement. The micro-displacement mechanism overcomes the defect that small-displacement output can be realized only byusing piezoelectric ceramics, stepless amplification of the output displacement of the piezoelectric ceramics can be realized by adjusting the mechanism according to actual requirements, and multi-scale output precision from nanometer level to millimeter level is realized. The micro-displacement output platform can be applied to correcting the precision of measuring of the fixed film thickness byan ultrasonic probe.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY

Capping head of high-speed moving cover

The invention discloses a capping head of a high-speed moving cover. The capping head is provided with an outer magnetic ring carrier and an outer magnetic ring thereof as well as an inner magnetic ring carrier and an inner magnetic ring thereof, wherein the outer magnetic ring carrier and the outer magnetic ring thereof are fixed on a fixed shaft through threads and outer magnetic ring fixing nuts; the inner magnetic ring carrier and the inner magnetic ring are mounted at the outer side of a rotating shaft through bonds; a magnetic attraction between the inner magnetic ring and the outer magnetic ring is matched with the maximum design torque of the moving cover; meanwhile, a top cover ring is pressed into a capping die, and the capping die is provided with a tooth socket for meshing with the moving cover relative to the inner wall at the lower side of the top cover ring, and the top cover ring and a mandril bushing form a cover withdrawing mechanism of the capping head. The novel capping head disclosed by the invention has the beneficial effects that: on the one hand, through a unique axial installation and attraction way of the inner magnetic ring and the outer magnetic ring, protection role in the moving cover in the mounting process of a bottle cap is increased, and assembly speed and yield rate of the moving cover are increased; on the other hand, the capping die has the advantages of replaceability, convenience for replacement, high center positioning precision, stability in catching the cap and further increased universality of the capping head and is more suitable for mounting of bottle caps in a high-speed line.
Owner:JIANGSU ASG PACKAGING MACHINERY GRP
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