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

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.

This solution discloses a welding device, comprising: a box body; an air inlet and an air outlet arranged on the box body; at least one opening arranged on the box body is used to put in the parts to be welded, or take out the welding to complete Parts; the guide part arranged inside the box, when the protective gas is passed into the inside of the box through the air inlet, the guide part moves from the air inlet to the air outlet, and the air in the box Exhausted from the air outlet; and, the welded portion provided below the deflector. This solution can effectively remove the air in the box by setting the diversion part, so that the box can be filled with sufficient protective gas, and its concentration can be guaranteed, so as to avoid the rework of the titanium alloy pipe-flange due to insufficient protection of the welding protective gas. Or the risk of scrapping raw materials.

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.

An embodiment of the present invention provides a random response-based personalized privacy protection method and device, wherein the method is applied to the client, including: obtaining the target sensitivity value input by the user to collect target privacy data, the target privacy The data corresponds to a plurality of sensitive values, and the target sensitive value is a sensitive value among the plurality of sensitive values; using a preset personalized random response model, the target sensitive value is disturbed to obtain a disturbed sensitive value; Wherein, the model is a response model that introduces the weight of each sensitive value of the target privacy data, and the model makes: the probability of outputting the real value for the sensitive value with high weight is lower than the probability of outputting the real value for the sensitive value with low weight The probability. This solution can solve the problem of over-protection of some privacy data and insufficient protection of some privacy data in the process of privacy collection in the existing random response-based related technologies.

The invention provides a textile roller safety protection taking and placing device. The device comprises a base; a main frame body is fixedly welded on the upper surface of the middle part of the base; the upper part of a clamping rod is arranged in a mounting frame; a clamping ring is fixedly welded at the lower end on the left side of a first turbine; a first sealing rubber ring is fixedly mounted on the lower surface edge of a sealing plate; a second sealing rubber ring is matched on the lower surface of the first sealing rubber ring, and is fixedly mounted on the upper end edge of a storage box; the outer end of a fixed rod is inserted in the left and right end walls of the main frame body, and a thread pipe is fixedly welded at the right end; the upper and lower ends of a second thread rod are rotationally mounted in the right wall of the main frame body through a bearing, and a third turbine is fixedly welded on the outer surface of the lower part; a third motor is arranged under the external of the right end of the main frame body, and the lower end is fixedly mounted on the lower surface in a fixed frame. The device is convenient to use and high in protectiveness, meets various use conditions, and achieves high practicability.

The invention relates to an LED ejection method and device; the LED ejection method comprises: fixing a guard on a target object; wherein, a plurality of LED storage positions are arranged outside the guard, and each LED storage position is fixedly connected to an LED illuminant; In the inclined cylinder, slowly lift the target object from the bottom of the cylinder to the position to be ejected near the top of the cylinder; at the position to be ejected, the target object is ejected to the outside of the cylinder at an initial velocity of 1 m / s to 5 m / s . Through the design of the protective parts, the target object can be fully protected to avoid danger. The LED illuminator fixedly connected to the LED storage position makes the target object dazzling when it is ejected. It is suitable for viewing and positioning whether it is day or night. The traditional rigid lighting method can obtain ever-changing lighting effects, taking into account the safety and mobility of the target object, and also facilitates the recovery of the target object.

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.

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.