12results about How to "Satisfy security" patented technology

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 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 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.

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 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 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 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.

The invention relates to data security, in particular to a method and a system for selectively disclosing verifiable certificates based on associated data, which are used for solving the problems that the selective calculation amount of the existing verifiable certificates is large, the efficiency is low, the relationship among attributes in the certificates cannot be reflected for a plurality of certificates, and a user is not constrained. According to the scheme, under the framework of the RDF graph, the attributes in the voucher are represented by triples, and a monotone expansion scheme and a linear secret sharing scheme are used for efficiently restraining the attributes which can be selectively disclosed by a user, so that malicious behaviors of the user are prevented; according to the method and the device, attributes in a single voucher can be selectively disclosed, and attribute information association can be carried out after selective disclosure of a plurality of vouchers, so that effective combination of the vouchers can be realized, and meanings to be expressed by the disclosed information can be accurately and efficiently transmitted to a verification party. On the basis, signatures of a plurality of vouchers are aggregated into a BLS signature, so that the purpose of combining the vouchers is achieved.

The application discloses a kind of gentle inclined thin and medium thick ore body stope inter-column recovery methods, comprising the following steps: S1, determine recovery unit and mining sequence;S2, mining engineering arrangement;S3, recovery unit advance pressure relief and pre-splitting;S4, mechanized continuous recovery, transportation and support;S5, after constructing filling retaining wall in the bottom of recovery unit, subsequent filling is carried out, bagged gravel filling recovery unit and ore roadway corner is used, and the ore roadway is expanded and brushed to the next adjacent recovery unit to carry out ore body advance pre-splitting and pressure relief, to prepare for the recovery of the next recovery unit;The method requires simple equipment, easy to operate, safe, efficient and economical, low ore loss and dilution, and can safely and effectively control the stability of stope surrounding rock and the occurrence of rock dynamic disaster during mining, and has broad application prospect.

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 average particle diameter (D50) of the inorganic particles is 0.20 [mu] m to 0.40 [mu] m, and in a particle size distribution diagram of the inorganic particles, the particle size distribution diagram of the inorganic particles is greater than the particle size distribution diagram of the inorganic particles, the particle size distribution diagram of the inorganic particles is greater than the particle size distribution diagram of the inorganic particles. The ratio (A / B) of the area (A) on the small particle diameter side to the area (B) on the large particle diameter side, based on the maximum peak, is 1.05 or more, and the composite separator can simultaneously satisfy excellent mechanical stability, thermal stability, and ion conductivity characteristics.