45results about How to "Satisfy security" patented technology

The invention discloses a large-span frame construction safety protection device which comprises steel cables and safety ropes connected to the steel cables, the steel cables are hung through slings, and connecting nodes are arranged between the slings; the safety rope comprises a sliding assembly, a connecting rope and a hook part, the hook part and the sliding assembly are connected through the connecting rope, and the hook part is used for being matched with a constructor for hooking; the sliding assembly comprises a connecting base, two connecting rods arranged on the connecting base, pulleys rotationally connected to the connecting rods and a connecting hook arranged on the connecting base in an up-down sliding mode, the two connecting rods are located on the two sides of the steel cable correspondingly, grooves are formed in the positions, corresponding to the steel cable, of the pulleys, and the two pulleys are clamped on the steel cable through mutual cooperation of the grooves; sliding connection is formed with the steel rope; and the connecting hook is matched with the two connecting rods and tensions the two connecting rods. According to the scheme, a constructor can move conveniently during large-span frame construction, and meanwhile the safety protection effect on the constructor is kept.

The invention discloses a programmable oil well mouth controller based on a 1DCNN indicator diagram recognition model and a control method thereof, and the controller comprises a processor, a data and program memory, a USB interface, a data communication interface, an RS485 bus communication interface, a real-time clock, a ZIGBEE wireless interface, an analog quantity signal input circuit, and a switching value signal input and output circuit. A sound card interface circuit and an audio power amplifier circuit; the control method comprises the steps that load data and displacement data of a wellhead of an oil well are collected in real time according to the operation cycle of the beam-pumping unit, normalization processing is conducted on the data, then interpolation processing is conducted to expand each kind of data to the standard length so as to meet the model requirement, the data are input into a trained 1DCNN network for operation, and then the data are obtained. And outputting the oil well operation condition. The system is high in reliability and convenient to expand; remote data acquisition and control can be realized, and personnel safety can be satisfied.

The invention relates to a detector air film protection push-out device in the technical field of flyer detection, which comprises a pneumatic push-out assembly, the pneumatic push-out assembly comprises an inner cylinder and an outer cylinder, an annular cover is fixed at the rear end of a clamping cavity between the outer cylinder and the inner cylinder, an outer piston cylinder is inserted in the front part of the clamping cavity, and an inner piston cylinder is inserted in the inner wall of the inner cylinder; the front end of the inner piston cylinder is fixed with the front end of the outer piston cylinder, the outer wall of the rear end of the outer piston cylinder is provided with a slot, the outer wall of the rear end of the outer cylinder is provided with an insertion hole, and the clamping cavity is provided with a throttling hole; an air film nozzle and a pressure reducing valve assembly are respectively mounted at two ends of the inner barrel; a gas cylinder assembly is installed outside the pneumatic push-out assembly and provided with a control valve, and the control valve is correspondingly communicated with the throttling hole. A pneumatic unlocking one-way valve is installed on the air pipe, a valve element of the pneumatic unlocking one-way valve is connected with an exposed pin shaft, and the outer end of the pin shaft is inserted into the inserting hole and the inserting groove in a matched mode. The gas film protection push-out device can be safely and stably pushed out for gas film protection only when a detector is needed for detection.

The invention discloses a hair care composition as well as a children hair conditioner and a preparation method thereof, and relates to the technical field of hair care daily chemical products. The hair care composition is prepared from the following components in parts by weight: 0.1 to 5 parts of stearamide propyl dimethylamine, 0.3 to 2 parts of hydrolyzed silk, 0.02 to 0.5 part of beta-glucan, 0.01 to 3 parts of citric acid and 0.01 to 3 parts of glutamic acid. The hair conditioner for children comprises the following components in parts by weight: 1.65-6.6 parts of a hair care composition, 3-8 parts of a humectant, 7-11 parts of an emulsifier, 0.1-2 parts of a thickener and 0.1-1 part of a preservative. The hair care composition and the hair conditioner for children provided by the invention can solve the problem of unstable system of hair care products for children, can nourish and soften hair, are easier to comb, are mild and do not hurt scalp, and can essentially improve the hair quality of children.

The utility model provides an insulating forearm mechanism suitable for an aerial work platform with the voltage smaller than or equal to 66KV. The small arm mechanism comprises an insulating main arm, two insulating pull rods parallel to the insulating main arm and a working bucket installed at the free end of the insulating main arm, one end of the insulating main arm is rotationally connected with the arm support mechanism through a first connecting frame, the other end of the insulating main arm is rotationally connected with a connecting support, and the two insulating pull rods are arranged above the insulating main arm in parallel; one end is rotatably connected with the arm support mechanism through a first pull rod rotating shaft, the other end is rotatably connected with the connecting support through a second pull rod rotating shaft, a small arm variable-amplitude cylinder is arranged between the first pull rod rotating shaft and the first connecting support, and the working bucket is rotatably installed at the free end of the insulating main arm through a leveling support. According to the utility model, any insulation distance of the working bucket can be ensured to be more than 300mm, so that the working bucket achieves an insulation effect; the utility model can flexibly act when working in a specific or narrow space, and is simpler in structure and easy to weld.

The invention discloses a clamping type parking robot and a control method thereof. The clamping type parking robot comprises a front tire clamping device and a rear tire clamping device. The front tire clamping device comprises a chassis unit and two tire clamping mechanisms, and each tire clamping mechanism is composed of two tire clamping units. Each tire clamping unit comprises a slope type clamping arm, a sector panel and a motor lead screw transmission pair, the motor lead screw transmission pair is fixed on the chassis unit, and the output end of the motor lead screw transmission pair is hinged to the sector panel to drive the sector panel to rotate; the sector panel and the slope type clamping arm are of an integrated structure, and the mounting end of the slope type clamping arm is rotationally connected to the chassis unit through a rotating shaft; the chassis unit comprises a bottom plate and an axial driving mechanism installed at the bottom of the bottom plate. According to the invention, slope bearing can be realized, and the efficiency and the transportation safety are improved.

The invention provides a preparation method of a solid solution oxygen reinforced Ti15Zr alloy with an ultra-fine grain structure. The mechanical property of the material is synchronously improved through solid solution oxygen atom strengthening and ultra-fine grain structuring, on the basis, a fine grain structure is reserved through a vacuum heat treatment process, meanwhile, a deformed structure is eliminated, the plasticity of the material is recovered, the comprehensive performance of the Ti-Zr alloy is further improved, and the safety of the Ti-Zr alloy in the human body service process is met.

The utility model relates to the technical field of steel cylinders, in particular to a high-strength welding steel cylinder. According to the technical scheme adopted by the utility model, the steel cylinder comprises a first steel cylinder main body structure and a second steel cylinder main body structure which are connected together in a welding manner, and is characterized in that the lower end of the second steel cylinder main body structure is provided with three spherical support matched placement bosses which are uniformly distributed on the circumference and face downwards in an integrated manner; a steel cylinder connector assembly is arranged at the upper end of the first steel cylinder body structure, and a reinforcing and supporting matching plate with a T-shaped projection in the vertical direction is arranged at the connecting position of the upper end of the first steel cylinder body structure and the steel cylinder connector assembly. The utility model has the advantages that: when in use, the safety protection device can be matched and connected with an intelligent control setting assembly as required, can effectively avoid direct contact with a manual operation position, and ensures that the safety of the manual operation position is better.

The utility model belongs to the technical field of energy-saving building grating installation, and particularly relates to a spiral climbing grating three-dimensional adjustable installation system which comprises a left-right rotation adjusting assembly, an up-down rotation adjusting assembly and a front-back telescopic adjusting assembly. One end of the left-right rotation adjusting assembly is detachably and fixedly connected with the base layer keel, the other end of the left-right rotation adjusting assembly is detachably and fixedly connected with one end of the up-down rotation adjusting assembly, and the other end of the up-down rotation adjusting assembly is fixedly connected with one end of the front-back telescopic adjusting assembly through a thread structure. The other end of the front-back telescopic adjusting assembly is detachably and fixedly connected with one end of the connecting piece, and the other end of the connecting piece is detachably and fixedly connected with the grating. The utility model can flexibly carry out space three-dimensional adjustment, and is convenient to independently disassemble, assemble and replace.

The utility model relates to the technical field of gardens, in particular to a garden well lid convenient to open. A garden well lid convenient to open comprises a metal base and is characterized in that a metal tray is arranged above the metal base, telescopic spring barrels are connected to the four corners of the metal base respectively, the upper end of one telescopic spring barrel is fixedly connected with the metal tray, one end of a locking bolt is connected into the metal base, and the other end of the locking bolt is connected with the other end of the locking bolt. The other end of the locking bolt penetrates through the upper end of the metal tray and is provided with a key groove. Compared with the prior art, the telescopic spring barrel is combined with the metal tray and the locking bolt, so that the cover plate can be easily opened by one person; meanwhile, it is guaranteed that the cover plate is restored in situ, and paving attractiveness is guaranteed; in addition, the device is prevented from being jacked open by rainwater in rainstorm, and safety is met.

The utility model discloses a kind of vertical perfusion formworks of arc component, belong to concrete pouring mould technical field, including arc inner mould, arc outer mould, end mould, arc bottom die, travelling mechanism and positioning mechanism;The arc inner mould, arc outer mould, arc bottom die and end mould are matched into mould and are poured;The end mould can be rotatably connected in arc outer mould both sides;The arc bottom die is fixedly connected in arc outer mould bottom;The travelling mechanism is used to drive arc inner mould and arc outer mould into mould and stripping;The positioning mechanism is used for accurate positioning when arc inner mould and arc outer mould into mould.The utility model of a kind of vertical perfusion formworks of arc component, can effectively solve the pouring mould platform of prior art is flat mould production, and the component poured out by it is not good control because of the large area of upper surface, lack of vertical perfusion formwork suitable for arc segment and other problems.

The invention relates to a composite diaphragm. The composite diaphragm comprises a porous base material; and a ceramic layer formed on one surface or both surfaces of the porous substrate and containing inorganic particles and a binder, in which the binder contains polyacrylamide and carboxymethyl cellulose having a weight average molecular weight of 180000 g / mol or more and a degree of substitution of 0.6 to 1.2 in a weight ratio of 60 to 90: 40 to 10, the composite diaphragm can simultaneously satisfy excellent mechanical stability, thermal stability and ionic conduction characteristics.

According to the technical scheme, the LED fireproof down lamp is characterized by comprising a light source assembly, a junction box and a supporting frame, the junction box is communicated with the light source assembly through the supporting frame, a first fire outlet hole communicated with the light source assembly is formed in one side of the supporting frame, and a second fire outlet hole communicated with the supporting frame is formed in the junction box. According to the fireproof down lamp, fire prevention of the whole lamp can be achieved, the overall fireproof performance is high, and the requirement for product safety is met.

The utility model relates to the technical field of LNG storage tank pressurization, in particular to an LNG storage tank pressurization system capable of reducing power consumption of a pressurization pump. Comprising an LNG storage tank, a liquid outlet is formed in the bottom of the LNG storage tank and connected with one end of a liquid pipeline, a first stop valve and a pressure regulating valve are arranged on the liquid pipeline, the other end of the liquid pipeline is connected with a liquid inlet of a gasifier assembly, a gas outlet of the gasifier assembly is connected with a gas pipeline, and the gas pipeline is connected with a first buffer tank and a second buffer tank. The first buffer tank and the second buffer tank are arranged in parallel, a booster pump is arranged on a gas pipeline on the rear side of the first buffer tank, and a gas pipeline on the rear side of the booster pump is connected with a gas inlet in the top of the LNG storage tank through a second stop valve; and the gas pipeline on the rear side of the second buffer tank is connected with the engine. The gas quantity of the boosting loop is not influenced by unstable gas consumption of the engine, the boosting pump can work at constant power, so that the power consumption of the boosting pump is reduced, the wiring harness current is low, and the safety of the vehicle is ensured.

The utility model discloses a connecting structure for fixing a battery module, which comprises a pressing plate, two T-shaped inserting rods and a plurality of side plates, a plurality of L-shaped abutting plates are arranged on the pressing plate at intervals, two ends of the pressing plate are respectively provided with a first through hole, a plurality of elastic balls are arranged on the inserting rods, and the elastic balls are arranged on the pressing plate. The side plate is arranged on one side of the module and provided with L-shaped bent parts, and second through holes are formed in two of the bent parts. According to the utility model, the pressing plate and the plurality of side plates are connected into a whole, so that the weight is increased relative to that of a single module, the module cannot vibrate up and down in the Z-axis direction, the safety of the battery pack in the driving process is met, and the whole structure is simple, convenient to disassemble and assemble and low in manufacturing cost.

The invention relates to a large-spacing tubular pile mattress layer structure and a construction method thereof. Due to the fact that an existing mattress layer is made of a single-form geotechnical material, and generally, the mattress layer is not provided with a geogrid cushion layer between pile caps, the effects of controlling differential settlement and improving the bearing capacity of the mattress layer are poor, and the mattress layer is not suitable for large-interval pipe piles. The composite geogrid cushion layer structure comprises a composite geogrid cushion layer area between pile caps, a pile top high-strength geocell cushion layer area and a pile top composite geogrid cushion layer area. The composite geogrid cushion layer area between the pile caps comprises a composite geogrid laid above the pile body and a first broken stone cushion layer flush with the pile caps in elevation. The pile top high-strength earthwork standard room cushion layer area comprises a high-strength earthwork standard room and a second broken stone cushion layer; the pile top composite geogrid cushion layer area comprises a composite geogrid and a third gravel cushion layer. According to the large-spacing pipe pile mattress layer, the two geotechnical materials and the gravel are combined to form the mattress layer structure, the effect of controlling differential settlement and improving the bearing capacity of the mattress layer is greatly improved, and the large-spacing pipe pile mattress layer is suitable for a soft soil area.

The present invention discloses a contactless wireless charging system for a robot astronaut, comprising a transmitter and a receiver. The transmitter is mounted on a charging platform of a spacecraft, and the receiver is mounted on an energy pack of a space robot; a battery management module is arranged on the energy pack to be connected to the receiver. The transmitter and the receiver exchange information through carrier communication, the inverter module of the receiver converts the DC power supply of the spacecraft bus into AC power, and the transmitting coil and the receiving coil complete the wireless and contactless transmission of electric energy through electromagnetic induction. The receiver is equipped with a battery management module to achieve high-precision charging and discharging and balanced control to ensure that the battery operates in a safe domain. During the charging process, no metal is directly exposed to the space environment, and the risks of short circuit, arcing, and mechanical interface jamming are completely eliminated, meeting the requirements of safety, stability, and adaptability to the space environment, realizing unmanned and intelligent stop-and-go charging and charge-and-go, and effectively improving the work efficiency of the robot astronaut.

The invention discloses a drop hammer impact test lifting device and a drop hammer impact tester, and relates to the technical field of drop hammer test device structures, the drop hammer impact test lifting device comprises a support, a bearing frame, a driving device, a hanging structure, an unlocking structure and a protection structure, the bearing frame is installed on the support; the driving device is used for driving the bearing frame to move up and down on the bracket; the hanging structure comprises two hooks rotationally mounted on the bearing frame, hook parts of the two hooks are located below the rotating axis of the hooks and are oppositely arranged, the two hooks are provided with unlocking positions and hanging positions, and the two hook parts are used for being hung on the hanging parts of the drop hammer when the two hook parts are located at the hanging positions; the unlocking structure is mounted on the bearing frame and is used for driving the two hook parts to move from the hanging position to the unlocking position so as to release the drop hammer; the protection device is installed on the bearing frame and comprises a protection pin which can be horizontally and movably installed on the bearing frame. The invention aims to provide the drop hammer test device which is high in safety and convenient to control.

The present invention proposes a low-cost express parcel coverage collection method, which is as follows: establish a low-cost parcel coverage collection problem model, then design a low-cost parcel coverage collection problem model based on the attention model algorithm of the encoder-decoder architecture, then train the low-cost parcel coverage collection problem model, and finally obtain a trained low-cost parcel coverage collection problem model; the trained low-cost parcel coverage collection problem model receives the express parcel information to be sent and the courier's location information submitted by the sender within a period of time, and outputs the final courier collection path and the user's parcel delivery point allocation plan, so that the courier can collect the parcel according to the courier's collection path, and the user can send the parcel according to the parcel delivery point allocation plan and pay the courier fee. The present invention covers the collection method, minimizes the courier's collection cost, and benefits the user.

A strain sensor for a leg brace and a real-time interactive detection system for lower limb rehabilitation are disclosed. The sensor includes a leg brace body and strain gauges mounted on the leg brace body. A double-hole, narrow-beam stress concentration structure is provided at the point of maximum torque near the exoskeleton drive end of the leg brace body. The strain gauges are mounted on the stress concentration structure. The stress concentration structure is designed based on finite element mechanical simulation and is used to concentrate stress and facilitate strain detection. This system, through a self-developed strain gauge leg brace-type human-machine interactive force sensor structure, combined with multi-level noise reduction filtering and high-precision force calculation algorithms, achieves real-time, accurate, and stable detection of human-machine interactive forces during lower limb rehabilitation training. This provides reliable data support for intelligent closed-loop control, active / passive mode switching, and quantitative evaluation of rehabilitation effects of lower limb rehabilitation robots, reducing equipment costs and improving clinical adaptability and widespread adoption.

The invention discloses a man-machine co-driving method, device and equipment for intelligent driving and a vehicle. The method comprises the following steps: acquiring historical driving information; learning and establishing a driving habit model according to the historical driving information; acquiring real-time driving information, wherein the real-time driving information comprises corresponding real-time lane line information, real-time vehicle speed information and real-time request torque; according to the real-time lane line information, the real-time vehicle speed information and the driving habit model, torque applying prediction information of a driver is calculated; and calculating output torque information according to the real-time request torque, the driver application torque prediction information and a first preset deviation threshold value, and sending the output torque information to the electric power steering system. According to the real-time driving information and based on the established driving habit model, the most possible torque application information of the driver is predicted in advance, and the torque information is calculated and output and is transmitted to the electric power steering system, so that the preemptive somatosensory of the driver in the process of accepting a steering wheel is weakened.

The present application relates to the technical field of mobile communication, and provides a kind of internet of things equipment control method and device.The method comprises: the first cloud platform receives the information that target device enters target state sent by second cloud platform;Information is used to indicate that specified operation is carried out on target device;The first cloud platform receives the operation credentials of target device generated by second cloud platform;Operation credentials are generated in the case where second cloud platform confirms that specified operation is completed;The first cloud platform sends control instruction for controlling target device to second cloud platform according to access token and operation credentials;Target device is the device registered on second cloud platform;Access token is obtained in advance by the first cloud platform in second cloud platform.The internet of things equipment control method and device provided by the present application, operation credentials of device are generated only after user carries out corresponding operation on device, and device can be controlled according to operation credentials, which increases attack difficulty and improves the security of cross-platform control internet of things equipment.

The invention relates to a composite diaphragm. The composite diaphragm comprises a porous base material; and a ceramic layer which is formed on one surface or both surfaces of the porous substrate, and which contains inorganic particles and a binder, in which the binder contains carboxymethyl cellulose having a weight average molecular weight of 180000 g / mol to 280000 g / mol and a degree of substitution of 0.6 to 1.2, the composite diaphragm can simultaneously satisfy excellent mechanical stability, thermal stability and ionic conduction characteristics.

The invention relates to a composite diaphragm. The composite diaphragm comprises a porous base material; and a ceramic layer formed on one surface or both surfaces of the porous base material. Specifically, the ceramic layer contains inorganic particles, a binder, and a particle-type fusing agent, the ceramic layer satisfies Formula 1 below, the binder is carboxymethyl cellulose having a weight average molecular weight of 180000 g / mol to 280000 g / mol, and the composite separator according to the present invention can ensure excellent heat resistance, adhesive force, and fusion force with an electrode. [Formula 1] (In Formula 1, T is the thickness ([mu] m) of the ceramic layer; w1 is the content (wt%) of the binder relative to the total weight of the ceramic layer; w2 is the content (wt%) of the particulate fusing agent with respect to the total weight of the ceramic layer; and D is the average particle diameter ([mu] m) of the granular fusing agent. )

The invention discloses a personnel safety sling self-control folding and unfolding anti-falling device, and relates to the technical field of safety protection, the personnel safety sling self-control folding and unfolding anti-falling device comprises a shell, the upper end of the shell is connected with a lifting hook through a shaft, the shell is internally connected with a sling wheel carrier plate through a rotating shaft, the sling is arranged in the middle of the sling wheel carrier plate, and a volute spiral spring assembly is arranged on one side of the sling wheel carrier plate; a non-return mechanism is arranged on the other side of the lifting belt and comprises a descending stopping assembly, a non-return assembly is arranged on the portion, on one side of the descending stopping assembly, of the shell, and the functions of self-control one-way releasing, self-control retracting and safe falling prevention of the lifting belt are achieved through the descending stopping assembly and the non-return assembly. Pure mechanical design is adopted, free switching between a one-way release anti-falling and falling-stopping state and a two-way retraction anti-falling and falling-stopping state can be achieved without operating a device body and pulling a hanging belt, the use requirements in different scenes are met, the operation reliability is improved, and the safety is improved. The safety anti-falling protection device is suitable for occasions needing safety anti-falling protection on personnel such as ship working boats and high-altitude operation, and the safety of the personnel is guaranteed.

The application relates to the technical field of automobile control systems, and discloses a layered control system for a distributed drive electric automobile, which comprises a parameter acquisition and state identification module, the sending end of the parameter acquisition and state identification module is connected with the receiving end of a control target module, a mode layered controller and a whole vehicle management module respectively, the sending end of the control target module is connected with the receiving end of the mode layered controller, and the mode layered controller is in bidirectional communication connection with the whole vehicle management module. In the process of driving or parking of the electric automobile, a plurality of information such as the whole vehicle quality, the driving slope, the longitudinal vehicle speed, the road adhesion coefficient and the eccentric angle coefficient is acquired in real time, then the mode layered controller performs multi-mode layered control on the electric automobile through the transmission, and the braking performance of the automobile is maximized under the premise of meeting the safety of the electric automobile.

The invention relates to the technical field of cloud computing, in particular to a platform privatization method and system, and the method comprises the steps: setting an access frequency threshold value; receiving an access request, and sending the corresponding target data to the user according to the access request; counting a time period and periodically counting the user access request quantity; and comparing the user access request quantity with the access frequency threshold value, and determining whether the user access in the statistical time period is abnormal or not according to a comparison result. According to the method, the access frequency threshold is set according to the historical access frequency of the data and is corrected under the abnormal condition, so that the system can dynamically adapt to changes of different data types and user behaviors, the flexibility and the accuracy of access control are improved, a perfect safety protection mechanism is formed by monitoring the access frequency and the access duration, and the safety of the system is improved. Potential security threats can be identified more comprehensively, and risks of data leakage and illegal access are effectively reduced.

The application relates to a voice communication method and system of a quantum channel, and provides a voice de-jittering and voice playing integrity processing method of a voice quantum communication system, which can effectively avoid the problem that jitter and discontinuity of voice playing at a receiving end occur due to packet loss caused by channel instability, and can meet the safety of voice communication and the requirement of safe real-time communication of users.