60results about How to "Situations to avoid safety accidents" patented technology

The invention relates to a charging gun with a dragging protection function. The charging gun comprises a gun body with an inner cavity, a plug, a locking part and a wiring harness; the plug is rotationally connected with the gun body; the plug is sleeved with a torsional spring; the two ends of the torsional spring are connected with the gun body and the plug respectively; a circumferential cam groove, which is closed and inclined along the rotary axis of the plug, is formed in the plug; a cam push rod matched with the circumferential cam groove is arranged on the gun body; the cam push rod is arranged in the circumferential cam groove; a terminal placed in the inner cavity is arranged on the gun body; a plurality of horizontally arranged ejector pins are arranged on the plug, multiple contact conductors are mounted on the terminal, and the contact conductors are in contact with the ejector pins in a one-to-one correspondence manner; an inserting-connecting sleeve is glidingly inserted and mounted on the gun body; the wiring harness is fixedly connected with the inserting-connecting sleeve; and one end of the wiring harness is placed in the inner cavity and connected with the terminal. By virtue of the charging gun, the normal charging use of a vehicle can be satisfied while it is ensured that the charging gun can be in a power-down state quickly in suffering from pulling force so as to be separated from the vehicle elastically and safely in an emergency condition.

The present invention relates to a gun head bounce-off type charging gun which comprises a gun body provided with an inner cavity, a plug, a locking element and a wire harness. The locking element isinstalled on the gun body in a manner of rotating left and right. A left end of the locking element has a lock catch which protrudes downwards and a circular-arc lug boss. The gun body is provided with a sliding block which can slide out of the gun body to the left. The sliding block is placed at the right side of the circular-arc lug boss and comes into contact with the circular-arc lug boss. Thegun body is provided with an ejector rod horizontally disposed and sliding out of the gun body to the left. The sliding block is connected with the ejector rod. The gun body is provided with a wedgeblock which slides perpendicularly to the lengthwise direction of the ejector rod. The ejector rod is provided with a clamping groove. The wedge block is sleeved with a first spring. Under the effectof the elasticity of the first spring, a wedge end of the wedge block slides into the clamping groove. The ejector rod is connected with the gun body through a force accumulation spring. A plug jacketis inserted into the gun body in a sliding mode. A pull rope is disposed in the inner cavity. One end of the pull rope is connected with the wedge block, and the other end of the pull rope is connected with the plug jacket. The wire harness is fixedly connected with the plug jacket. One end of the wire harness is placed in the inner cavity and is connected with the plug.

The invention provides a maintenance isolation locking system and method. The system comprises a locking operation instruction generation module, a lock-up release instruction sending module and a first unlocking verification module, wherein the locking operation instruction generation module is used for generating a locking operation instruction according to a work task of a lock-up point requiring locking and sending the locking operation instruction to an intelligent key; the lock-up release instruction sending module is used for sending a lock-up release instruction of an isolation lock required to be unlocked by the intelligent key to an isolation lock management box according to the locking operation instruction; the first unlocking verification module is used for verifying whether the isolation lock to be opened by the intelligent key is correct or not according to the locking operation instruction and outputting an instruction for opening the isolation lock after the condition that the isolation lock to be opened by the intelligent key is correct is determined. The method is an informatization management method for realizing implementation, monitoring and dismantling of a maintenance isolation measure through application of the maintenance isolation locking system. Therefore, the management efficiency of the information process of the safe isolation measure as well as the lock in electric power system maintenance can be improved, the isolation lock is effectively prevented from being lost, and safety accidents caused by faulty operation of the isolation lock are prevented.

The invention relates to a new energy vehicle charging gun. The new energy vehicle charging gun comprises a gun body in which a cavity is formed, a handle, a plug, a locking piece and a wiring harness; a clamping sleeve capable of sliding is inserted in the gun body; multiple clamping beads distributed on a sliding contact part of the clamping sleeve and the gun body are arranged on the clamping sleeve; first springs corresponding to the clamping beads one to one are arranged on the clamping sleeve; clamping grooves matched with the clamping beads are formed in an inserting pars, correspondingto the clamping sleeve, of the gun body; the clamping beads slide to the external side direction of the clamping sleeve under elastic effects of the first springs so that one parts of the clamping beads are placed in the clamping grooves; the wiring harness is fixedly connected with the clamping sleeve; one end of the wiring harness is connected with the plug; the locking piece is mounted on thegun body in a left-to-right rotating manner; a second spring is arranged on the gun body; the locking piece rotate anticlockwise under an elastic effect of the second spring; the new energy vehicle charging gun further comprises a pull rope; one end of the pull rope is connected with the locking piece; and the other end of the pull rope is connected with the clamping sleeve.

The invention discloses novel container hoisting equipment. The novel container hoisting equipment comprises a hoisting tool, a container door opening and closing device is installed at one end of thehoisting tool, and a container body protection mechanism for pressing and protecting the outer side wall of a container is further installed on the hoisting tool. When the structure is applied to container overturning operation, the functions of automatically opening and closing a container door and preventing a container body from deforming are achieved, furthermore, opening and closing of the container door, a container body protective plate and a pressing plate are operated in a non-manual manner, and therefore the hoisting equipment has the advantages of being high in efficiency, safe, controllable in operation, good in protection performance and the like.

The invention discloses novel material unloading equipment and a novel material unloading device. The novel material unloading equipment comprises an unloading frame, an unloading conveying mechanism,a lifting driving mechanism and an unloading funnel, wherein the unloading funnel is arranged at the bottom of an unloading channel of the unloading frame; the bottom end of the unloading conveying mechanism is rotationally connected with the unloading frame; the lifting driving mechanism is fixed on the unloading frame, and a lifting driving part thereof is connected with the unloading conveyingmechanism; the bottom end of the unloading conveying mechanism is in butt joint with a discharge port of the unloading funnel; and an overturning mechanism is arranged on the unloading frame. The novel material unloading equipment has such technical effects as high efficiency, low cost, excellent environmental protection, low goods loss, thorough unloading, high stacking height, safety and operability.

The invention discloses a novel single-hand pressing plug-in type socket. The socket comprises a socket body and a power connection device located in the socket body. The power connection device comprises a connection cavity with an upward opening; a lifting cavity is formed in the lower side of the connection cavity; a lifting plate is connected into the lifting cavity in a sliding manner; a first spring is fixedly connected between the lifting plate and the lower end wall of the lifting cavity; a lifting shell is arranged in the connection cavity; and a first fixed rod which is in sliding connection with the socket is fixedly connected between the lifting shell and the lifting plate. The socket is simple in structure, convenient to operate, capable of achieving installation and separation of the plug on the socket with one hand and convenient for people to operate an electric appliance with one hand, meanwhile, the socket is provided with the power-off protection device, when no plugexists on the socket, the socket can be automatically powered off, when at least one plug exists on the socket, the socket is powered on, and safety accidents caused when people forget to power off the socket are avoided.

The invention discloses an emergency steering system for an automatic drive-by-wire vehicle. The system comprises an oil pressure or flow detection sensor used for detecting the oil pressure or flow of hydraulic oil between oil paths connected with a steering pump and a steering actuator, an oil path switch arranged between the oil paths, an emergency steering system controller outputting a signal I when the oil pressure value or the flow value is lower than a preset corresponding threshold value, and an emergency pump, wherein after the emergency pump receives the signal I, the emergency pump is started to input hydraulic oil into the steering actuator. The system has the advantages of automatically starting the emergency pump and guaranteeing the normal steering function of the vehicle. The invention further discloses an emergency steering method for the automatic drive-by-wire vehicle. The emergency steering method comprises the steps of detecting the oil pressure or flow of hydraulic oil between the oil paths connected with the steering pump and the steering actuator; when the oil pressure or flow is lower than the preset threshold value, closing the oil paths, and outputting the signal I; and after the emergency pump receives the signal I, starting the emergency pump to input hydraulic oil into the steering actuator. The method has the advantages of automatically starting the emergency pump and guaranteeing the normal steering function of the vehicle.

The invention relates to the technical field of pharmaceutical preparations and discloses a rosuvastatin calcium tablet. [4-[4-fluorophenyl-6-(1-methylethyl)-2-[N_ methyl-(N-methylsulfonyl) amino]-5-pyrimidyl] methyltriphenylphosphonium bromide, (4R-cis)-6-formyl-2, 2-dimethyl-1, 3-dioxane-4-cyclopentyl acetate, potassium carbonate, dimethyl sulfoxide, methylbenzene, acetonitrile, ethyl acetate, methanol, isopropanol, sodium hydroxide, sodium chloride and calcium chloride. According to the rosuvastatin calcium tablet and the preparation process thereof, a plurality of experiments prove that: when reaction temperature is about 75 DEG C in intermediate synthesis, alkali is the optimal experimental condition of the potassium carbonate, and reaction raw materials can react completely, the generation of multiple impurities is prevented, productivity can be improved, and production cost is reduced; a hydrochloric acid solution is added in a rosuvastatin cyclopentyl ester synthesis process toneutralize redundant acid and alkali, so that the generation of the impurities is further reduced; and therefore, high-purity production is achieved.

The invention discloses a chain-guided freight elevator. A chain-guided freight elevator comprises a bearing platform for carrying goods, a square bracket for installing the bearing platform, and two brackets for lifting and lowering the bearing platform. Motion-guided guide chains, four force-bearing seats for supporting the weight of the entire elevator, a driving device for driving the carrying platform to move up and down, and a control device for controlling the operation of the entire elevator; the carrying platform can move along the The guide chain moves up and down; the two guide chains are parallel and symmetrically arranged on the opposite sides of the square bracket, and the bearing platform is arranged in the square bracket; the four water chestnuts on the top of the square bracket are respectively connected with the four The force-bearing bases are connected; the four force-bearing bases are installed on the flat ground of the highest floor of the multi-storey building; the guide chain and the control device are electrically connected with the driving device. The invention has the characteristics of stable operation, effective prevention of misoperation and high safety performance.

The embodiment of the invention provides a driving shaft, which comprises a driving shaft body, a first driving shaft, a second driving shaft and a driving shaft, the spring bolt is accommodated in the first groove; the spring is contained in the first groove, and the two ends of the spring are connected with the driving shaft body and the spring bolt correspondingly; the spring bolt partially extends out of the first groove under the action of the spring and locks the rotor on the driving shaft body in the axial direction; the driving shaft body further comprises a first through hole, the spring bolt further comprises a second through hole, projections of the first through hole and the second through hole in the axial direction of the driving shaft body at least partially coincide, external force acts on the spring bolt through the first through hole and the second through hole, the spring bolt compresses the spring under the action of the external force and retracts to the first groove, and the rotor is unlocked from the driving shaft body. According to the embodiment of the invention, the operation is simple, convenient and effective, the reliability is high, the operation burden of experimenters is reduced, and the situation of safety accidents caused by improper locking is avoided.

The invention discloses an insulating pull rod with an operation point capable of being monitored. The insulating pull rod comprises an operation segment, a joint segment, and a rod body, wherein the units are connected successively. A camera is arranged on the rod body and is installed on the rod body by a mounting support; and a viewfinder window of the camera faces the operation segment of the insulating pull rod. A transparent illumination chamber is arranged between the rod body and the joint segment; and an illumination lamp is installed in the illumination chamber. When the insulating pull rod is in use, a worker can adjust the angle between the camera mounting support and the rod body in advance according to any demand before usage of the insulating pull rod; and during the maintenance process, a corresponding operation point position image is obtained. Good illumination for the operation point can be realized only by turning on the illumination lamp at night or in an environment with dark light, so that the camera can obtain a clear image; and thus the worker can monitor the operation point conveniently during the maintenance process, so that an operation error can be avoided and thus a safety accident of a power grid can be avoided.

The embodiment of the invention provides a remote driving assistance method and system. The remote driving assistance method comprises the steps that sounds and images around an unmanned vehicle are acquired; the sound and the image are respectively identified to obtain a sound identification result and an image identification result; the voice identification result and the image identification result are fused to generate enhanced display information; and the enhanced display information is displayed. By means of the technical scheme, the workload of a remote operation user is reduced, the situation that safety accidents happen to the unmanned vehicle due to the fact that the remote operation user inaccurately judges the voice can be avoided, and then the safety of the unmanned vehicle with the advantages of automatic driving, unmanned driving and the like is guaranteed.

The invention discloses a sintering machine blowing device capable of adjusting blowing starting point in a self-adaptation manner. The device comprises a sintering machine trolley, a blowing cover and a gas blowing device, the gas blowing device comprises a gas blowing main pipe, a gas blowing branch pipe and a gas blowing pipe bundle, the sintering machine trolley is located in the blowing cover, the gas blowing main pipe is arranged on the outer side of the blowing cover, the gas blowing pipe bundle is arranged above the sintering machine trolley, the gas blowing pipe bundle is located in the blowing cover, one end of the gas blowing branch pipe is connected with the gas blowing main pipe, the other end of the gas blowing branch pipe is connected with the gas blowing pipe bundle, the gas blowing pipe bundle comprises multiple gas blowing pipes which are provided with gas blowing holes. The device is characterized in that multiple air boxes are arranged below the sintering machine trolley, and an air box temperature measuring device is arranged at the position, on each air box, of the lower portion of the sintering machine trolley. According to the device, the blowing starting point can be adjusted in the self-adaptation manner, defects in the prior art can be effectively overcome, safety coefficients can be improved, and the assisting effect is ensured.

The invention discloses low-temperature denitration catalyst wet zone production equipment and process, and relates to the technical field of denitration catalyst production equipment. The low-temperature denitration catalyst wet zone production equipment comprises a drying chamber, a second conveying line is arranged in the middle of the drying chamber in a penetrating mode, a first conveying line parallel to the second conveying line is arranged on the left side of the drying chamber, a fifth conveying line is arranged between the front end of the first conveying line and the front end of the second conveying line, the fifth conveying line is perpendicular to the first conveying line and the second conveying line, and a third ferry vehicle is arranged on the fifth conveying line. The equipment has the beneficial effects that a conveying area is arranged to convey a skip car, a circulating area is arranged to thoroughly dry the skip car and then send out the skip car, and the drying efficiency is improved; a first ferry vehicle, a second ferry vehicle and the third ferry vehicle are arranged for transferring the skip car, the mechanization degree is improved, and human resource investment is reduced; and a protective net is arranged to avoid safety accidents caused by mistakenly entering an operation area by people without duties.

The invention relates to the technical field of building external wall heat preservation, in particular to an integrated reverse-hitting internal heat preservation non-dismantling formwork external wall and a preparation method. The integrated reverse-hitting internal heat preservation non-dismantling formwork external wall comprises an external facing, a YZ non-dismantling formwork, a YZ connecting piece and a YZ limiting piece; the outer facing is installed on one side of the shear wall, the YZ non-dismantling formwork is arranged on the side, away from the outer facing, of the shear wall, the YZ connecting piece is connected with the YZ non-dismantling formwork and the shear wall, the YZ limiting piece is matched with the YZ connecting piece, and therefore the outer wall is composed of the facing layer, the shear wall, the YZ connecting piece and the YZ non-dismantling built-in heat preservation formwork, and the heat preservation and protection effects can be effectively achieved; and safety accidents caused by falling of the outer wall body of the building in the whole life cycle are avoided.

The invention relates to the technical field of textiles, and discloses a tension adjusting device in a non-woven fabric bundling process. The tension adjusting device comprises a supporting frame, wherein the back surface of the supporting frame is movably connected with a bundling roller; a stabilizing rod is fixedly mounted at the top end of the supporting frame; the bottom end of the stabilizing rod is movably connected with a roller; the outer wall of the roller is wound with fabric; the fabric is wound with a fixed roller; and the front surface of the fixed roller is movably connected with a roller frame. According to the tension adjusting device in the non-woven fabric bundling process, a top block is matched with cushion gas blocks for use, so that when tension of the fabric is toogreat, the top block in a stressed roller is stressed to move upwards; in a process that the top block moves upwards, four bent rods are in contact, and a coil spring rotates, so that a moving spaceof a movable rod is increased, and the bent rods rotate and stretch; and when the bent rods rotate and stretch, the four cushion gas blocks extrude each other, and gas in the cushion gas blocks is extruded out through gas leaking holes, so that the effects of extruding the gas into a gas pressure rod and triggering constant gas pressure unbalance in the gas pressure rod are achieved.