63results about How to "Address security risks" patented technology

The invention discloses a safe and environment-friendly initiating explosive substituent and a preparation method thereof. In a microstructure, the initiating explosive substituent takes fine particle high explosive as a core, takes an additive which burns at a high speed as a housing; and the initiating explosive substituent is quick in combustion and deflagration to detonation transition capability due to the special microstructure. The explosive substituent disclosed by the invention can be taken as a safe and environment-friendly initiating explosive, to replace the existing conventional explosives which are poor in safety, contains heavy metal or generates a mass of wastewater in the process of preparation, such as GTG, lead azide, DDNP (dinitrodiazophenol), lead trinitroresorcinate and BNCP. According to the invention, the problems of security risk and environment occur when the exciting initiating explosive for a detonating cap is prepared can be solved, and the normal size and the low cost of the detonating cap can be kept simultaneously.

The invention discloses an automatic door sliding system. The automatic door sliding system comprises a cross beam, a driving mechanism arranged on the cross beam and a limiting mechanism; the driving mechanism is connected with a sleeve component; a door leaf is connected through a door carrying frame; a guide locking block is arranged on the cross beam; the driving mechanism includes a lead screw driven by a motor and a nut component; the nut component includes a transmission frame, a nut coating the lead screw, and a followup part fixed on the nut; the nut is mounted in the transmission frame; the transmission frame is connected with the sleeve component; the lead screw drives the nut component to perform a reciprocating motion in the axial direction of the lead screw; in forward rotating process of the lead screw, when the followup part is contacted with the guide locking block, the followup part moves to the limiting mechanism under the guidance of the upper surface of the guide locking block and is stopped by the limiting mechanism; the followup part rotates along with the lead screw to enter a space between the side surface of the guide locking block and the limiting mechanism to be locked; and when the lead screw reversely rotates, the followup part reversely rotates along with the lead screw to deviate from the limitation of the guide locking block to be unlocked, and moves in the axial direction of the lead screw.

The invention discloses an online motor rotor temperature measuring probe which comprises a reflector, an infrared light source, a focusing mirror, a receiving element, a light filter and a heat insulation sleeve. The probe is integrally protected by the heat insulation sleeve, screwed on a shell or an end cover and different from a common infrared temperature measuring probe, the probe effectively overcomes the shortcomings of unstable reflection and polarized light of a rotor surface caused by rotation by the aid of the light filter, a measuring element is mounted in the heat insulation protection sleeve, heat shock of heat conduction on a photoelectric element is relieved, and mechanical shock of body vibration on the elements is decreased when a motor runs. The probe has the advantages that the probe is accurate in measurement and fine in safety, the effect on the structure of the motor is low and the like, the probe can be conveniently and rapidly mounted on the end cover of the motor, the temperature of the end face of the rotating rotor is continuously measured in real time, and the probe effectively solves the problems that heat loss and safety risks caused by a window formed in the end cover in the past, temperature measuring test paper is pasted on the surface of a rotor, the highest temperature can only be inspected in a split manner, and the temperature change process cannot be reflected.

The invention relates to a construction method for seepage anticipation and treatment of an underground continuous wall. The construction method includes the following steps that according to the construction condition of the underground continuous wall, a seepage detection point is selected; during construction of underground continuous wall, a detection pipe is buried at the selected seepage detection point; after the construction of the underground continuous wall is finished, a detection probe of a sonar measuring instrument is sent into the detection pipe for detecting, and a detection result is obtained; and grouting water stop treatment is conducted on the leakage detection point which the seepage coefficient is larger than the set range in the detection result. According to the construction method, whether the underground continuous wall has seepage hidden danger or not is detected in advance to ensure safety of foundation pit excavation, if yes, grouting water stop treatment is conducted timely, the risk of water and sand gushing during foundation pit excavation is avoided, probability of seepage of the underground continuous wall is decreased, and construction safety of a foundation pit is improved.