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34results about How to "Addressing Insufficient Protection" patented technology

Permanent magnet motor rotor protection device

The present invention provides a permanent magnet motor rotor protection device which comprises a connecting rod, an outer ring, an outer sliding groove, a ball, an inner sliding groove, a protection ring and a stabilizer bar, the protection ring is mounted on the annular side surface of a rotor main body, the inner sliding groove is formed in the annular side surface of the protection ring, the ball is embedded in the inner sliding groove, and the outer ring is mounted on the outer side of the ball. The inner annular side face of the outer ring is provided with an outer sliding groove, the balls are embedded into the outer sliding groove, the connecting rods are installed between the motor shell and the outer ring, and the stabilizing rod is installed between the connecting rods, the problem that an original permanent magnet motor rotor lacks protection measures is solved through the design, the permanent magnet motor rotor protection device is reasonable in structure, protection is provided for the permanent magnet motor rotor, and abrasion is avoided.
Owner:环一军

Module box convenient to overhaul

The invention relates to the technical field of electric automobiles, in particular to a module box convenient to overhaul. The module box comprises a top cover, a bottom plate, two first side plates and two second side plates; the top cover, the bottom plate, the first side plates and the second side plates can be combined into the complete module box; the top cover, the bottom plate, the first side plates and the second side plates are movably connected to form the module box; the bottom surface of the top cover is movably connected with a lithium battery module through a buckle assembly; a plurality of groups of limiting and damping assemblies are arranged at the edge, corresponding to the lithium battery module, of the top surface of the bottom plate; and the limiting and damping assemblies play a role in limiting and damping under the cooperation of the bottom plate, the first side plates and the second side plates. According to the module box of the invention, the top cover, the bottom plate, the first side plates and the second side plates are movably connected to form the module box, and the interior of the module box and the lithium battery module can be thoroughly overhauled during overhauling and dismounting, so that the overhauling efficiency is improved.
Owner:合肥尚德新能源科技有限公司

Simulated projectile speed measuring system for researching cased telescoped ammunition impact extrusion process

The invention discloses a simulated projectile speed measuring system for researching a cased telescoped ammunition impact extrusion process. The simulated projectile speed measuring system comprisesa simulated projectile and an acceleration measuring module, the acceleration measurement module is fixed inside the simulated projectile, the acceleration measuring module comprises a power supply circuit, an acceleration sensor, a signal conditioning circuit, a processor and a Flash; the simulated projectile is consistent with outer shape, size, gravity center and quality of the cased telescopedammunition, and the simulated projectile has a function of protecting the acceleration measurement module; the power supply circuit is used for providing required direct current for the rest circuitsof the acceleration measurement module, the acceleration sensor is used for collecting an acceleration analog signal in the impact extrusion process of the simulated projectile, after the acceleration analog signal passes through the signal conditioning circuit, an acceleration digital signal is sent to the processor, and the data is stored in the Flash. According to system, a complete speed measuring system for researching the cased telescoped ammunition impact extrusion process, the system has the advantages of being completely equivalent, recyclable, high in reliability, high in g value measurement and the like, and the system can be used for carrying out high-precision measurement on small signals in an impact extrusion process.
Owner:XI AN JIAOTONG UNIV

Efficient cement mixing device

The invention discloses an efficient cement mixing device, and relates to the technical field of machinery. The efficient cement mixing device comprises a base. A tank is fixedly connected with the top of the base, a transmission gear is fixedly connected with the top of the tank, a support rod penetrates the bottom of the transmission gear, the bottom of the support rod penetrates the top of the tank and extends into the tank, a first motor is fixedly connected with the end, which is positioned inside the tank, of the support rod by a motor case, a stirring shaft is fixedly connected with an output shaft of the first motor by a coupling, the bottom of the stirring shaft penetrates the bottom of the motor case and extends to the bottom of the tank, a stirring blade is fixedly connected with the surface, which is positioned inside the tank, of the stirring shaft, and the transmission gear comprises a shell. The efficient cement mixing device has the advantages that the problem of poor mixing effects of the traditional cement mixing devices due to uneven mixing can be solved by the aid of the efficient cement mixing device, the work efficiency of workers can be improved, human and material resources can be saved, and requirements of users on service effects can be met.
Owner:合肥通祥智能信息科技有限公司

Production device of wiredrawn pure aluminum plate

The invention provides a production device of a wiredrawn pure aluminum plate. The production device comprises a connecting rod, a rotating rod, a drying box, a first sponge plate, a connecting plate,an electric telescopic rod, a dustproof box and a second sponge plate; the drying box is assembled on the upper end face of the dustproof box, the rotating rod is assembled on the upper end face of the drying box through a rotary shaft, the lower end of the rotating rod extends into the drying box, the connecting rod is assembled at the lower end of the rotating rod, and through design, the problem that an existing production device of the pointer-type pattern wiredrawn pure aluminum plate protects the aluminum plate insufficiently is solved; the dustproof box is assembled on the right end face of a wiredrawing machine, the electric telescopic rod is assembled in the dustproof box, the upper end of the electric telescopic rod is connected with the connecting plate, the second sponge plateis assembled on the upper end face of the connecting plate, the first sponge plate is assembled in the dustproof box, the first sponge plate is arranged on the upper side of the second sponge plate,and through design, the purpose that the surface of the aluminum plate is kept to be clean before wiredrawing is achieved; and water is removed to enable the aluminum plate to keep clean, functions are complete, and safety and reliability are achieved.
Owner:重庆市永川区晓春铝制品有限公司

A high-efficiency cement mixing device

The invention discloses a high-efficiency cement mixing device which comprises a base. The top of the base is fixedly connected with a tank, and transmission devices are all fixedly connected with the two sides of the tank; the bottoms of the transmission device are fixedly connected with the top of the base; a supporting column penetrates through the top part of one side of each transmission device, and one end of each supporting column penetrates through one side of the tank and extends to the other side of the tank; the supporting columns are located at the bottom in the tank and fixedly connected with a motor box, and a first motor is fixedly connected with the top of an inner cavity of the motor box; an output shaft of the first motor penetrates through the bottom of the motor box and is fixedly connected with a stirring shaft through a coupling; and a stirring blade is fixedly connected with the surface of the stirring shaft. The invention relates to the technical field of mechanical equipment. According to the high-efficiency cement mixing device, the problem that the mixing effect is not good due to uneven mixing of a traditional cement mixing device is solved, working efficiency of the mixing device is improved, manpower and material resources are saved, and the using effect for users is met.
Owner:JIANGSU GREEN LEAVES MACHINERY

A small hand-held laser head for laser cleaning

The invention relates to the technical field of laser cleaning equipment, and discloses a small hand-held laser head for laser cleaning, which includes a casing and an output head, a laser port is formed on the output head, and a mounting cover is provided on the outer cover of the laser port. Both sides of the opening slide through a cover plate, the cover plate is fixedly connected with a connecting rod, and an elastic member is fixedly connected between the two connecting rods, and the top of the connecting rod runs through the installation cover and slides with the first chute of the installation cover; The top of the installation cover is slidably connected with a slider, the two sides of the slider are formed with a first guide surface, the top of the connecting rod is formed with a connection block, and a second guide surface is formed on the connection block; by sliding the slider, the two first guide surfaces are formed. One guide surface can be in sliding contact with two second guide surfaces respectively, and drive the two connecting rods to move oppositely or towards each other to drive the two cover plates to move oppositely or towards each other, so as to adjust the opening and closing of the laser port to adapt to equipment of different sizes Cleaning to avoid laser damage to other parts during the cleaning process.
Owner:上海时颖激光科技有限公司

A Simulated Projectile Velocity Measurement System for the Study of the Impact and Squeeze Process of Countersunk Projectiles

The invention discloses a simulated projectile speed measuring system for researching a cased telescoped ammunition impact extrusion process. The simulated projectile speed measuring system comprisesa simulated projectile and an acceleration measuring module, the acceleration measurement module is fixed inside the simulated projectile, the acceleration measuring module comprises a power supply circuit, an acceleration sensor, a signal conditioning circuit, a processor and a Flash; the simulated projectile is consistent with outer shape, size, gravity center and quality of the cased telescopedammunition, and the simulated projectile has a function of protecting the acceleration measurement module; the power supply circuit is used for providing required direct current for the rest circuitsof the acceleration measurement module, the acceleration sensor is used for collecting an acceleration analog signal in the impact extrusion process of the simulated projectile, after the acceleration analog signal passes through the signal conditioning circuit, an acceleration digital signal is sent to the processor, and the data is stored in the Flash. According to system, a complete speed measuring system for researching the cased telescoped ammunition impact extrusion process, the system has the advantages of being completely equivalent, recyclable, high in reliability, high in g value measurement and the like, and the system can be used for carrying out high-precision measurement on small signals in an impact extrusion process.
Owner:XI AN JIAOTONG UNIV

Explosive welding support device and application thereof

The invention discloses an explosive welding support device and application thereof. The explosive welding support device has a base which is provided with a threaded hole which is in threaded connection with a support part, and the support part comprises a lower support part and an upper support part; the lower support part comprises a circular structure and a limiting ring disposed at an upper end of the circular structure, and the inner diameter of the limiting ring is less than that of the circular structure; the upper support part comprises a cylindrical structure and a limiting step disposed at the lower end of the cylindrical structure, the diameter of the limiting step is greater than that of the cylindrical structure, and the limiting step is disposed inside the lower support part; the outer wall of the lower support part is provided with an external thread. The explosive welding support device has the advantages that the problem that a middle part of a gap support cannot gain good protection due to the inability of the traditional support to be extra-long is avoided; the problem that the traditional support is 'easy to place but difficult to pick' is improved, and lifting efficiency is improved; the support part is a replaceable part, applicable to protecting gap supports of different heights, and the problem that an overall assembly is unavailable for use due to damage to certain parts is also avoided.
Owner:HUBEI JINLAN SPECIAL METAL MATERIAL

Civil engineering hanging basket with lifting protection structure and stabilizing mechanism thereof

InactiveCN112249967ASolve the lack of lifting forceSufficient boost powerLifting framesArchitectural engineeringHanging basket
The invention discloses a civil engineering hanging basket with a lifting protection structure and a stabilizing mechanism thereof. The civil engineering hanging basket comprises a bottom plate, wherein the top surface of the left side of the bottom plate is connected with a mounting mechanism through screws; two sides of the top surface of the bottom plate are fixedly connected with supporting columns; a hydraulic mechanism is mounted at a gap between the supporting columns; the bottom surface of the hydraulic mechanism is fixedly connected with the top surface of the bottom plate; a hydraulic rod is mounted at the top of the hydraulic mechanism; the other end of the hydraulic rod is fixedly connected with a first supporting plate; pressure seats are mounted on two sides of the top surface of the first supporting plate through screws; the tops of the pressure seats are fixedly connected with lifting columns; and a main rod is mounted at a gap between the lifting columns. The civil engineering hanging basket disclosed by the invention solves the problems that a traditional lifting protection device is small in lifting power and poor in material sealing; a lifting mechanism can provide sufficient lifting power through a hydraulic device; and building materials in the hanging basket can be protected through a cover plate and the stabilizing mechanism.
Owner:THE FOURTH OF CHINA EIGHTH ENG BUREAU

Method for preparing protective film playing a role in protecting glass micro-fluidic chips in etching process

The invention relates to a method for preparing protective film playing a role in protecting glass micro-fluidic chips in etching process. The method comprises the steps of plating a glass substrate with a chromium sacrificial layer, smearing glue, baking the glue, performing UV exposure, developing, removing the chromium sacrificial layer, performing wet etching, removing the glue, removing the chromium sacrificial layer and sealing at high temperature when a glass micro-fluidic chip is conventionally manufactured. The method is characterized in that positive photoresist containing linear phenolic resin is taken as a basis; after the developing step and before the follow-up step of removing the chromium sacrificial layer, by taking a formaldehyde monomer aqueous solution or a glutaraldehyde aqueous solution with a certain concentration and pH value as a cross-linking agent, formaldehyde or glutaraldehyde and the linear phenolic resin in the positive photoresist containing the linear phenolic resin are subjected to cross-linking reaction; and the photoresist is cross-linked to be the protective film of which the body type is in a network structure so as to enable the photoresist protective film to prolong the time of tolerating the corrosion of hydrofluoric acid glass etching liquid and increase the etching depth of micro-fluidic channels. The method is applicable to the glasssubstrates plated with other metal sacrificial layers.
Owner:INST OF CHEM CHINESE ACAD OF SCI

Falling protection safety device of elevator car

ActiveCN106185515ATimely evacuatioTimely evacuationElevatorsCouplingFall protection
The invention discloses a falling protection safety device of an elevator car. The falling protection safety device comprises the elevator car and cavities formed in the side portions of all layers of an elevator shaft. The cavities are located in the upper portions of the stopping positions of the elevator car. Each cavity is internally provided with vertical rotating shafts and guiding sleeves. Each rotating shaft is provided with a rotating rod, the middle portions of the rotating rods are hinged to the rotating shafts, the two ends of each rotating rod are hinged to one end of a first universal coupling and one end of a second universal coupling correspondingly, the other end of each first universal coupling is hinged and connected to the side edge of an elevator landing door, an inserting rod is hinged to the other end of each second universal coupling, and each inserting rod is matched with the corresponding guiding sleeve. After the elevator car reaches a corresponding floor and the corresponding elevator landing door is opened, the corresponding elevator landing door is moved towards the two sides and pushes the corresponding rotating rods to rotate around the corresponding rotating shafts, the corresponding inserting rods move towards the elevator shaft and can be inserted in inserting pipes, so that suspension supporting is added for the top of the elevator car, even the falling situation happens, safety is effectively improved due to the action of the inserting rods and the inserting pipes, and sufficient protection can be provided the moment the falling accident happens.
Owner:天津盛驰精工有限公司

Elevator car fall protection safety device

The invention discloses a falling protection safety device of an elevator car. The falling protection safety device comprises the elevator car and cavities formed in the side portions of all layers of an elevator shaft. The cavities are located in the upper portions of the stopping positions of the elevator car. Each cavity is internally provided with vertical rotating shafts and guiding sleeves. Each rotating shaft is provided with a rotating rod, the middle portions of the rotating rods are hinged to the rotating shafts, the two ends of each rotating rod are hinged to one end of a first universal coupling and one end of a second universal coupling correspondingly, the other end of each first universal coupling is hinged and connected to the side edge of an elevator landing door, an inserting rod is hinged to the other end of each second universal coupling, and each inserting rod is matched with the corresponding guiding sleeve. After the elevator car reaches a corresponding floor and the corresponding elevator landing door is opened, the corresponding elevator landing door is moved towards the two sides and pushes the corresponding rotating rods to rotate around the corresponding rotating shafts, the corresponding inserting rods move towards the elevator shaft and can be inserted in inserting pipes, so that suspension supporting is added for the top of the elevator car, even the falling situation happens, safety is effectively improved due to the action of the inserting rods and the inserting pipes, and sufficient protection can be provided the moment the falling accident happens.
Owner:天津盛驰精工有限公司
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