83results about How to "Safe entry" patented technology

The embodiment of the invention discloses a method and device for interacting between a block chain and the out-of-chain data. The method may include A, when a user smart contract requests to acquiretarget data outside a block chain network in a process of executing the user smart contract in the block chain network, generating a data request and calling an interactive smart contract, the data request serving as an entry parameter of the interactive smart contract and including address information of the target data; and B, executing the interactive smart contract, and obtaining the target data fed according to the address information through a trusted environment. According to the method disclosed by the embodiment of the invention, the credible data source outside the chain can be ensured to safely and completely enter the user intelligent contract, and the reliable data interaction between the user intelligent contract and the external world is realized.

The invention discloses a robot control method, a robot and a readable storage medium. The robot control method comprises the following steps of determining an elevator waiting area of the robot according to an elevator entering point after receiving an elevator riding task, wherein the distance from the elevator waiting area to an elevator is greater than the distance from the elevator entering point to the elevator; detecting elevator waiting environment information of the elevator waiting area; and determining a target position of the robot to wait for the elevator in the elevator waiting area according to the elevator waiting environment information and a center position of the elevator waiting area, and controlling the robot to move to a target position. When there are relatively moreelevator waiting passengers in front the elevator as the robot executes the elevator riding task, the robot can find a proper elevator waiting position according to the elevator waiting environment information in the elevator waiting area, so that the robot can enter into the elevator conveniently as far as possible and also can keep a safe distance from passengers.

The invention discloses a combined automatic stair-climbing fire-extinguishing smoke-discharging robot, which comprises a crawler-type automatic traveling chassis, a combined fire-extinguishing smoke-discharging device, an emergency injection self-protection device, and a control and image transmission system, wherein the crawler-type automatic traveling chassis is used as a carrier, the combined fire-extinguishing smoke-discharging device, the emergency injection self-protection device and the control and image transmission system are installed on the crawler-type automatic traveling chassis; the crawler-type automatic traveling chassis comprises a storage battery, a support chassis, a crawler drive system and a stable and dumping-proof mechanism, the storage battery for supplying the power to the combined fire-extinguishing smoke-discharging device, the emergency injection self-protection device and the control and image transmission system is installed on the support chassis. The combined automatic stair-climbing fire-extinguishing smoke-discharging robot has large air output, is capable of climbing the stairs, has the functions of self-protection, decontamination and neutralizing the toxic gas, and can meet the requirement for the blast air in different environments of fire extinguishing and emergency rescue.

The invention discloses a preparation process of a high-performance coating diaphragm having a surface coated with an organic layer, and relates to the technical field of production of lithium ion battery microporous membranes. The process comprises the steps of: dissolving organic viscous high-temperature resin and an additive in an organic solvent to form a polymer solution; then coating the surface of a diaphragm substrate with a polymer solution in a dip-coating or gravure-coating mode; and finally, performing drying in an oven at a temperature of 50-120 DEG C. According to the high-performance coating diaphragm prepared by employing the method, the surface of the substrate is coated with a layer of viscous high-temperature resin so that the problem of bonding of a microporous membraneand a pole piece is solved, and meanwhile, the falling of stepless particles can be well avoided, and therefore, the safety of a lithium battery is solved, and the performance of the lithium batteryis fully played.

The invention discloses a cosmetic method for repairing skin wrinkle and pitting defect, which includes that dermis trace intervention surgery is adopted to deliver composite preparation which contains biological active components and consists of recombinant human Platelet-Derived Growth Factor (rhPDGF) with dermis repairing function, Transforming Growth Factor (TGF) and Hyaluronic Acid (HA) into dermis for stimulating the growth and mitosis of fibroblast, the synthesis and secretion of collagen and HA, the generation and repairing of original fiber and flexibility fiber so that the skin defects of skin pitting, deep wrinkle and dermis fiber tissue fracture are repaired for a long term, and the skin beautifying and anti-aging effect are realized.

The invention relates to a technology for constructing a karren stratum shield tunnel, in particular to a method for constructing a karren stratum shield tunnel, aiming to overcome the defects of the traditional method. The method for constructing the karren stratum shield tunnel comprises the following steps: (1) optimizing tunnel entrance steel ring structures: arranging elastic rubber water stopping rings in tunnel entrance steel rings, rubber water stopping curtain fabric on the outmost end and slurry injection holes and slurry injection pipes at the periphery; (2) constructing enclosing and protecting structures of a station by adopting glass fiber reinforced bars so that a shield machine enters the shield tunnel by shearing; (3) during the construction of the body of the station, making the shield machine move forward rapidly so that folding plates outside the rubber water stopping curtain fabric are overlapped on cutter discs, and injecting shield machine tail grease between the two rubber water stopping curtain fabric through injection holes; and (4) splicing shield tunnel pipe pieces, connecting the shield tunnel pipe pieces into a whole by using I-shaped steel, and supplementing slurry for the second time after the tail of the shield machine enters between the rubber water stopping curtain fabric. The shied machine can enter the shield tunnel safely and rapidly, and the method for constructing the karren stratum shield tunnel has simple working procedures, adopts the advanced technology, is safe and reliable, fills the blank of the technology for constructing the non-reinforced shield tunnel and has good popularization prospect.

The invention provides a method for receiving a pipe jacking machine under condition of high water pressure complicated geological conditions. In the process when the pipe jacking machine extends out of a wall, air is charged into a receiving chamber and muddy water is discharged to always keep balance between the air pressure in the receiving chamber and the formation water pressure; after the pipe jacking machine completely goes into the receiving chamber, a sealing slurry is injected into the gap between a pipeline and the hole wall of a receiving well to seal and stop water, and the muddy water is discharged to reduce the pressure after the sealing slurry is solidified. The invention also provides a device for receiving the pipe jacking machine for the method; the device comprises an orifice pipe, a flange pipe, the receiving chamber, and a pressure stabilizing chamber, all of which are orderly and integrally connected together from back to front; an air bag is arranged in the pressure stabilizing chamber; the receiving method is suitable for various formations, in particular weak soil and sandy soil formations high in water and soil pressure at the receiving end, poor geological conditions and difficult to guarantee in reinforcement quality, and is high in receiving safety; if the device is applied to receiving the pipe jacking machine, the reinforcement to the soil at the receiving end can be reduced and even avoided; besides, the device can be recovered and reused, so that the construction cost can be reduced.

The invention relates to a method for performing equipotential live line work by putting a +/-800kV tangent tower electric transmission line into an electric field. The method comprises the following steps: a ground potential electrician suspends an insulating flexible ladder on a tower ground wire, and an equal potential electrician climbs onto the flexible ladder from the cross arm side of a live wire; a ground cooperation person drags the tail end rope head of the flexible ladder to drive the insulating flexible ladder to slide along a ground wire in order that the equal potential electrician stops at a position opposite to a wire live line work area; the equal potential operator climbs to a position, which is parallel to shoulders, on the live wire along the flexible ladder; after an electric field entrance command is received, the ground cooperation person drags the rope head of the flexible ladder in a direction vertical to the ground wire in order to drive the flexible ladder to swing towards the live wire on the inner side of the ground wire; the equal potential electrician rapidly gets close to the live wire by adopting a potential shifting bar and swings inwards into a strong electric field. By adopting the method, the live line work can be performed at any position of the electric transmission line, and the physical output is low in the whole process; the method is easy to implement.

The invention discloses a pneumatic dry ice spraying device with insulation characteristics for live working. The pneumatic dry ice spraying device comprises an air compressor, an insulation box, an insulated pneumatic motor, an insulated screw and an insulated hopper, wherein air is supplied to the insulated pneumatic motor from the air compressor, the insulated screw is driven to rotate by the insulated pneumatic motor, and the insulated hopper is arranged on the top portion of the insulated box, a dry ice inlet passageway corresponding to the bottom of the insulated hopper is arranged on the top portion of the insulated box, a compressed air passageway is arranged in the insulated box, one end of the compressed air passageway is connected with the air compressor while the other end of the same is connected with a spraying gun, the insulated screw is obliquely arranged inside the insulated box, the lower end of the insulated screw is arranged in the compressed air passageway while the upper end of the same is arranged at the bottom of the dry ice inlet passageway, and a screwed conveying groove penetrating the dry ice inlet passageway and the compressed air passageway is arranged on the insulated screw. Since electric driving is replaced by pneumatic driving and the dry ice spraying device is made of composite insulated materials, the dry ice spraying device is enabled to securely enter a strong electromagnetic field, and cleaning tasks in specific fields can be completed.

System (25) for storing products, comprising a number of racks (11) extending parallel to each other, wherein each rack (11) is provided with storage positions (16) for products located next to and above each other, a guide system comprising longitudinal guides (1'-4') extending in aisles (1-4) between adjacent racks, and horizontal transverse guides (15) extending transversely to the longitudinal guides (1'-4') as well as junctions (1''-4'') at positions where at least one longitudinal guide (1'-4') and at least one transverse guide (15) connect, carriages (19) capable of autonomously travelling over the longitudinal guides (1'-4'), transverse guides (15) and junctions (1''-4'') for placing products in and/or taking products out the storage positions (16), and a central control unit (13) arranged for digitally locking of longitudinal guides identified with an identification means (12) and for controlling the autonomous carriages (19) solely over the unlocked longitudinal guides.

The invention provides a super/ultrahigh voltage alternating and direct-current mixed compression line live-line work equipotential transfer safety method, which comprises the following steps that the distance between an operator and a lower layer of alternating-current 500kV line conductor is kept between 7.3-14.6m, when the operator is at an upper layer of direct-current plus or minus 800kV line which is equipotential; the operator utilizes an insulating carrier tool to transfer from the upper layer of direct-current plus or minus 800kV line to a lower layer of alternating-current 500kV line, and in the transfer process, the sum of the distance between the upper layer of direct current plus or minus 800kV line conducting wire and the operator and the distance between the operator and the lower layer of alternating current 500kV line conducting wire is kept between 8.1-14.6m; and when the lower layer of alternating current 500kV line is equipotential, the distance between the operator and the upper layer direct current plus or minus 800kV line conducting wire is kept between 7.3-14.6m, when the operator is at the lower layer of alternating current 500kV line which is equipotential. According to the method, the operator can safely enter the lower layer of alternating current 500kV line from the upper layer of direct current plus or minus 800kV line.

Systems and methods for minimally invasive tele-surgery are described. For example, the disclosure describes methods for independently controlling motions of the robotic manipulator, cannula, and surgical instrument in various surgical contexts.

The invention discloses an interbody fusion cage capable of realizing pressurizing bone grafting and matching with the height of an intervertebral space. The interbody fusion cage comprises a frame, wherein the frame is in a vertically-through rectangular shape, a power sliding block is connected into the frame in an embedded mode, supporting plates are arranged at the upper end and the lower endof the power sliding block respectively, ribs are arranged on the supporting plates, a groove is formed in the power sliding block; and the supporting plates and the power sliding block are embedded and connected through the ribs and the groove; a rear through hole is formed in the rear end of the frame, the rear end of the power sliding block is connected with a screw through a thread, and the screw penetrates through the rear through hole to be arranged on the frame in a sleeving manner; a groove is also formed in the circumferential direction of the screw, and the groove and a fixed shaft pin cooperate to realize the purpose that the screw cannot move in the axial direction; and a front through hole is formed in the front end of the frame, the front end of the power sliding block is connected with a guide pin pipe in a sliding assembly mode, and the guide pin pipe is connected to the front end of the frame in a threaded mode;. The structural design that the height of the interbody fusion cage is adjustable is adopted, through linked control of the guide pin pipe, the screw and the power sliding block, perfect matching of the height of the interbody fusion cage and the height ofa physiological intervertebral space is realized, and the purpose of parallel lifting height of the intervertebral space after implantation is achieved.

The invention relates to a switch cabinet cable chamber door interlocking device, which consists of a front door assembly and a rear door assembly, wherein a state rope and an opening and closing rope are arranged between the front door assembly and the rear door assembly, wherein the state rope is connected with a slider latch, a front door press key and a rear door press key, the opening and closing rope is connected with a front door latch and a rear door latch, the front door press key is connected with the slider latch and drives the slider latch to move, the rear door assembly is connected with the slider latch and drives the slider latch to move, the stroke of the front door press key driving the slider latch or the stroke of the rear door press key driving the slider latch is not enough to enable the slider latch to relieve the locking for an earthing knife-switch, and the stroke of the front door press key driving the slider latch and the stroke of the rear door press key driving the slider latch are enough to enable the slider latch to relieve the locking for the earthing knife-switch. According to the technical scheme, opening and closing of interlocking of the front door assembly and the rear door assembly are realized by the opening and closing rope, and interlocking of a front door and a rear door for the slider latch is realized by the state rope, so that the front door assembly and the rear door assembly are connected by a simple and effective method, and the goal of interlocking is achieved.

The invention discloses a tunnel-entering structure and a tunnel-entering construction method. The tunnel-entering structure comprises a protective arch, a grouting small guide pipe, a mountain slopeand a heading slope shotcrete anchorage protective structure, the protective arch comprises a grating arch rack located on the inner side, a profile steel arch rack located on the outer side of the grating arch rack and two shotcrete layers located on the exterior of the profile steel arch rack and inside the grating arch rack, the grating arch rack and the profile steel arch rack are separately formed by connecting multiple arch rack bodies through longitudinal connecting ribs, the grouting small guide pipe is divided into two layers, one layer of the grouting small guide pipe is connected with a mountain by the extrapolation angle of 10-15 degrees from the web of the profile steel arch rack to the front, the tail end of the layer is welded to the profile steel arch rack, the other layerof the grouting small guide pipe is connected with the mountain by the extrapolation angle of 10-15 degrees from the web of the grafting arch rack to the front, and the tail end of the other layer iswelded to the grating arch rack. The tunnel-entering structure can reduce disturbance on the mountain and construction risks, the protective arch and the mountain are connected into a whole to jointlyresist to loads, deformation is effectively controlled, and tunnel entering can be realized safely, efficiently and rapidly.

The invention discloses a dropping buffer collection structure device for a material conveying belt, and relates to the field of workpiece and material conveying devices. According to the dropping buffer collection structure device, a second supporting frame, a second supporting connection rod and a third supporting connection rod are vertically fixed to the other side face of a first supporting panel; the second supporting frame is connected with a buffer block in a rotating mode through a rotating shaft; the second supporting connection rod and the third supporting connection rod are used for supporting a second limiting panel together; collection box structures are arranged at the two sides of the first supporting panel; the bottoms of collection boxes are connected with first supporting frames through first supporting connection rods; and sliding plate structures are arranged inside the collection boxes. According to the dropping buffer collection structure device, the first supporting panel is arranged below the conveying belt, a buffer block structure is further arranged on the first supporting panel, and therefore when materials drop from the conveying belt, impact force buffer operation can be effectively executed, and the materials can safely enter the collection boxes through tilted sliding plates.

The invention relates to a liquid conveying device. The liquid conveying device comprises a shaft; the shaft is fixed on a base; a submersible sewage pump is arranged above at one side of the base; the submersible sewage pump is fixed on a submersible sewage pump guide rod and a lifting chain; the submersible sewage pump is connected with a valve flexible joint, a check valve, a gate valve, a water outgoing pipe and a water outgoing pipe flexible joint sequentially through a coupling seat; the other side of the base is provided with a liquid level control system, a detection system device, a crush type grid, a flower type grid, a water incoming pipe and a water incoming pipe flexible joint; the upper outlet of the shaft is provided with a top cover; a maintenance ladder is arranged in the shaft; the shoulder of the shaft is provided with a gas exhausting pipe; and the exterior of the shaft is provided with an electric appliance control system device. According to the liquid conveying device of the invention, a conical bottom is designed, so that deformation can be avoided assuredly, the area of the bottom can be minimized; the gas exhausting pipe is adopted to eliminate some toxic gases in the shaft; and an anti-blocking range can be checked through monitoring whether self shutdown of the water pump begins exceeding set time.

The invention relates to a driver's cab boarding device of an automobile crane, comprising a staircase assembly arranged at the corresponding side of a carriage, a horizontal walking plate, a driver's cab and a horizontal bracket, the driver's cab and the bracket are respectively arranged at the upper and lower sides of the walking plate, the bracket is extended along the width direction of the walking plate and the inner end of the bracket is fixedly connected with the corresponding side of the carriage, the staircase assembly is arranged at the upper side of the walking plate, the staircase assembly is composed of a supporting frame and a stepping frame articulated with one side of the supporting frame, a sleeve pipe is inserted with the bracket vertically, a rotating shaft is arranged in the sleeve pipe and the upper end of the rotating shaft is provided with a carrying plate contacted with the upper opening end of the sleeve pipe, and the other side of the supporting frame is fixedly connected with the carrying plate and sheathed with the upper part of the sleeve pipe respectively, self-locking mechanisms are respectively arranged between the supporting frame and the sleeve pipe and between the supporting frame and the rotating shaft, a drawing type boarding assembly is arranged at the lower side of the walking plate and below the driver's cab, and a transmission mechanism is respectively connected with the lower end of the rotating shat and the drawing type boarding assembly. By adopting the boarding device, an operational staff can enter in the driver's cab conveniently and safely.

Provided is an air-supported type film structure fireproof structure based on personnel safety and an operation method of the air-supported type film structure fireproof structure. When a fire occurs,resistance wires I and resistance wires II are immediately heated, and a plurality of smoke blocking drapes I and a plurality of smoke blocking drapes II are completely unfolded so as to form a temporary smoke prevention refuge space for personnel under the fire at a circle around the periphery of a building; meanwhile, refuge area illumination indication marks are started, and illumination and indication are provided; meanwhile, the blowing air volume of an air supply system is increased in a full load manner; when the fire grows slowly and the flame height is low, and when the number of users is small, the personnel are guided to be evacuated to the outside by air-tight doors; when the fire grows rapidly and the flame height is higher, and when the number of the users is large, the personnel are guided to be evacuated to the outside through the air-tight doors or evacuation doors at the same time; meanwhile, a water cooling system is started according to the condition, and the jet water covers the upper portions to the middle upper portions of rectangular curtains I and rectangular curtains II so as to enhance the effect of preventing the flame body radiation from threatening the safety of the indoor personnel; and the target that the personnel under the fire are protected against the film surface buckling and smoke and flame body radiation encroaching is achieved, and otherdisasters are taken into consideration.

The invention discloses a novel industrial safety freight elevator. A pressure sensor is embedded into a bottom plate at a bottom end of a freight elevator cage and is used for controlling total loadof the freight elevator cage, a flexible net bag is laid at a top end of the freight elevator cage and is used for preventing goods at an upper floor from falling off, a control assembly is arranged on an outer wall at a first layer and is electrically connected with an upper-end motor, a lower-end motor and the pressure sensor, a monitoring screen is electrically connected with a monitoring probeto display states of the freight elevator cage, a person and goods in real time and control the freight elevator according to a weight measurement result of the pressure sensor and by combining monitoring video displayed by the monitoring screen, stop baffle plates are arranged at a second layer and a third layer, a steering motor for driving the stop baffle plates to rotate is electrically connected with contact inductors arranged on outlet beams at the second layer and the third layer, a contact inductor is arranged on the freight elevator cage, the stop baffle plates are triggered to be opened after two contact inductors are in contact, a buffer pad is further arranged at the bottom of the bottom plate, and a plurality of springs are embedded into the buffer pad. The novel industrial safety freight elevator is stable in structure and high in safety coefficient and is convenient to control and operate, and an accident is prevented.