31results about How to "Prevent compromising security" patented technology

A handle folding mechanism and a three-fold handle (48) and a cart using the same. The folding mechanism includes an intermediate assembly (1) and a pair of connection assemblies (2). The intermediateassembly (1) comprises a tubular outer casing (11), a pressure block (12) and an unlocking piece (13). The rear portion of the compact (12) extends through the front wall surface of the outer casing(11) into the outer casing (11) and is movable back and forth. The connecting assembly (2) includes a tubular housing (21) and a snap tab (22). The engaging piece (22) is slidably mounted in the housing (21). In the locked state, the front end of the engaging piece (22) penetrates into the outer casing (11). The unlocking piece (13) has a fixing portion. The fixing portion is provided with a freeend extending to the rear end of the pressing block (12) and the front end of the engaging piece (22).

The invention discloses a wall template split bolt construction method. According to the method, two parallel templates are arranged in the position of a wall to be poured, the templates are penetrated by sleeves, a plurality of clamps are installed above the templates in a suspension mode, fixing bolts of the clamps are connected through fixing rods, and the fixing bolts are screwed through fixing nuts to fix the fixing rods; the templates and the clamps are penetrated by rebars, so that the rebars pass through the sleeve; a plurality of sealing spacers are arranged at the two ends of each rebar, and sealing nuts are arranged on the outer portions of the sealing spacers; the tops of adjacent angle steel pipes are arranged in the two sides of each connecting rod in a sleeved mode and sleeved with limiting blocks, the connecting rods are fixed by the limiting blocks, and a sealing steel board connected with each angle steel pipe is arranged on the bottom of the corresponding angle steel pipe, so that the sealing steel boards are connected with the bottoms the templates, and the angle steel pipes are connected with the rebars; reinforced concrete is poured into the gaps between the clamps; the sealing steel boards, the limiting blocks, the connecting rods, the angle steel pipes, the sealing nuts, the sealing spacers, the rebars, the fixing nuts, the fixing rods, the clamps and the templates are dismantled; the portions, exposed on the two sides of the wall, of the sleeves are cut, and sealing cover boards are connected with the two sides of the sleeve in a welded mode.

The invention discloses a fastening structure of a through-wall cover of an automatic teller machine (ATM) machine. The fastening structure is used for fixing the through-wall cover to a rack of the ATM machine, a screw hole is formed in the rack, the fastening structure of the through-wall cover of the ATM machine comprises a cushion block, a fastening screw and a compaction member, a placing hole and a sliding groove communicated with the placing hole are formed in the through-wall cover, the cushion block is placed in a gap between the through-wall cover and the rack through the placing hole and slides along the sliding groove, the compaction member is arranged on the outer side of the through-wall cover, and the fastening screw can sequentially penetrate the compaction member and the cushion block to be screwed in the screw hole in the rack so as to fix the through-wall cover to the rack. By means of the fastening structure, the assembling efficiency is high, material costs are low, and meanwhile, safety can be guaranteed.

The invention discloses a protective clothing background data acquisition and alarm system based on the Internet of Things, relates to the field of data acquisition and analysis, solves the technical problem that the real-time state of protective clothing cannot be analyzed through data acquisition in the use process of the protective clothing in the prior art, and performs data acquisition and analysis on the protective clothing, so that the real-time state of the protective clothing can be analyzed. Whether the real-time operation state of the protective clothing is abnormal or not is judged, so that the operation efficiency of the protective clothing is improved, and the situation that the safety of a user is affected due to low protection efficiency caused by the abnormality of the protective clothing is prevented; data analysis is conducted on the real-time environment of the protective clothing, whether the environment of the protective clothing is qualified or not is judged, and it is prevented that the protective clothing is affected by the environment, the safety protection efficiency of the protective clothing is reduced, the use quality of a user is reduced, and meanwhile the infection risk of the user is increased; the protective clothing used in real time is subjected to use analysis, and the use intensity of the corresponding protective clothing is judged, so that the situation that the safety efficiency of the protective clothing is reduced due to abnormal use is prevented.

The invention discloses a fast charging device of an electric vehicle, an application method and an electric vehicle. The fast charging device of the electric vehicle comprises a fast charging substrate, a servo motor, a turning cover, and a flexible waterproof structure; the servo motor is arranged on the fast charging substrate, and connected with a vehicle control unit; the turning cover is rotationally connected with the fast charging substrate; one end of the waterproof structure is fixedly connected with the turning cover and the other end is fixedly connected with the fast charging substrate, wherein the waterproof structure is connected with the servo motor, and the vehicle control unit controls the servo motor to drive the waterproof structure to stretch, and also drive the turning cover to rotate around the fast charging substrate, thus the turning cover is converted from one state into the other state. The fast charging device of the electric vehicle can adjust the flexible state of the waterproof structure through the servo motor, prevent the water inflow of the fast charging opening in rainy days from influencing on the charging safety; meanwhile, the opening position of the turning cover can meet the demands of different working states; the fast charging opening can be automatically closed through the servo motor, thus the safety grade and the practicability of the fast charging opening are promoted.

The invention relates to the technical field of new energy vehicles, and discloses a charging pile for new energy vehicles, comprising charging equipment, a positioning cylinder is fixedly installed inside the charging equipment, and a limiting cylinder is fixedly installed inside the positioning cylinder, so A movable rod is movably connected to the side of the limiting cylinder, one end of the movable rod penetrates and extends to the outside of the movable rod, one side of the movable rod is fixedly installed with a connecting rod, and the number of the connecting rods is two, The two connecting rods are movably connected. The charging pile for new energy vehicles, through the cooperation of the positioning cylinder and the limit cylinder, prevents the movable rod from falling out of the charging device during movement, which affects the efficiency of power transmission. The cooperation between the compression spring and the connecting rod makes the two connections During the use of the rod, the connected state is maintained to prevent the two connecting rods from loosening during charging, resulting in the car not being able to be charged, preventing the car from catching fire during the charging process and affecting people's safety.

The invention discloses a controller for an automobile electromagnetic liquid cooling retarder, comprising: a control device, which includes: a processor; a system monitoring module, which is connected to the processor; and a speed comparison module, which is connected to a vehicle speed sensor The monitoring module and the speed comparison module are used to compare the speed of the vehicle with the vehicle speed threshold. When the speed of the vehicle is greater than the vehicle speed threshold, the speed comparison module transmits a signal to the processor to control the slowing speed through the processor. The vehicle speed is decelerated by the operation of the controller; the gear position switching module is connected to the speed comparison module and the processor, the gear position switching module; the automatic cruise module. The invention greatly reduces the safety blind spots of the electro-hydraulic retarder, eliminates the potential safety hazards of the vehicle caused by the retarder, and can compare the speed signal when the vehicle goes downhill, and then automatically activates the retarder body. The vehicle slows down.

The invention discloses a pipe body constraining device used in pressure release of an air pressure explosion test for a high-pressure metal gas delivery pipe. The pipe body constraining device comprises a fixed station; the fixed station is provided with a pipe groove used for accommodating the high-pressure metal gas delivery pipe; two ends of the pipe groove are equipped with anchoring units; a plurality of sets of friction piles are arranged on the fixed station; each set of friction piles comprise two friction pile units; a fixing flexible steel rope for fixing the high-pressure metal gas delivery pipe is wound on each friction pile unit; a supporting layer is arranged below the pipe groove; a plurality of fixed piles are arranged on the supporting layer; and the tops of the fixed piles are aligned with the bottom end of the pipe groove. According to the invention, the axial movement of the high-pressure metal gas delivery pipe is restricted by the two anchoring devices; the fixing flexible steel ropes are wound on the high-pressure metal gas delivery pipe and fixed on the friction piles so as to better fix the high-pressure metal gas delivery pipe; and the plurality of fixed piles distributed below the pipe groove can avoid influence of insufficient bearing capacity of a foundation on safety.

The invention discloses a dual-redundancy front wheel turning monitoring method, which belongs to the technical field of aircraft flight control systems. The method includes the following steps: S1, monitoring whether there is a fault in bus communication; S2, judging whether there is a self-monitoring fault in front wheel turning; S3, monitoring the dynamic performance of front wheel turning, comparing the actual output of front wheel turning with the output of a front wheel turning dynamic performance model, and if the difference exceeds a specified difference value, determining that the front wheel has a turning fault; and S4, analyzing the fault state of the front wheel: under the condition that the front wheel turning communication at dual redundancies is normal and the fault state monitoring and dynamic performance monitoring are normal, if the swing reducing / turning state fed back by front wheel turning at dual redundancies or the turning deviation fed back is inconsistent for 200ms, determining that front wheel turning at dual redundancies fail, otherwise, keeping front wheel turning at dual redundancies normal; and when front wheel turning at dual redundancies fail, judging the failure of front wheel turning, and controlling front wheel turning in a swing reducing state.

A construction method for pulling bolts in the formwork of the wall. Two parallel formworks are set at the position of the wall body to be poured, the sleeve is passed through the formwork, several clamps are hoisted above the formwork, the fixing bolts of the clamps are connected by a fixing bar, and the fixing nuts are Tighten the fixing bolts to fix the fixing rod; pass the steel bar through the template and the fixture, so that the steel bar passes through the sleeve; set a number of sealing gaskets at both ends of the steel bar, and set sealing nuts outside the sealing gasket; set the top end of the adjacent angle steel pipe Insert the two sides of the connecting rod, cover the angle steel pipe with the limit block and fix the connecting rod, set the sealing steel plate connected with the angle steel pipe at the bottom of the angle steel pipe, make the sealing steel plate connect with the bottom of the template, and connect the angle steel pipe with the steel bar; Pour reinforced concrete into the gap between the clamps; remove the sealing steel plate, limit block, connecting rod, angle steel pipe, sealing nut, sealing gasket, steel bar, fixing nut, fixing rod, clamp and formwork; the sleeves on both sides of the wall will be exposed The barrel is cut, and the sealing cover is welded on both sides of the barrel.

The invention discloses a fastening structure of an ATM machine wall-through cover, which is used for fixing the wall-through cover on the frame of the ATM machine. The frame has screw holes. The fastening structure of the ATM machine wall-through cover is The structure includes a spacer, a fastening screw and a pressing piece. A placement hole and a sliding groove communicating with the placement hole are opened on the wall penetration cover. The spacer can be placed in the placement hole through the placement hole. Through the gap between the wall cover and the frame and move along the sliding groove, the pressing part is arranged on the outside of the wall cover, and the fastening screw can pass through the pressing part and the spacer in turn and screw into the machine The screw holes on the frame are used to fix the wall penetration cover on the frame. The present invention adopts the above-mentioned fastening structure, which not only has high assembly efficiency and low material cost, but also ensures safety.

The invention provides a preparation method of blended fabric suitable for an exercise mat. The principal raw material comprises a polygonum multiflorum rattan single fiber, cotton fibers and polyester fibers, wherein the proportion of the polygonum multiflorum rattan single fiber exceeds 2 / 3, the waste can be used, and the prepared fibers have the remarkable anti-bacterial effects. A covering yarn mode is used because the spinning property of the polygonum multiflorum rattan fiber is poorer, the covering yarn is formed by using the cotton fibers for covering and blended with Dacron. Although the content of the cotton fibers and the polyester fibers is not higher than 30% still, the appearance of the blended fabric is beautiful, and even a lot of the cotton fibers on the surface layer is worn after the long-term use, and the polygonum multiflorum rattan single fiber is exposed, the blended fabric still has not the burr feeling. In conclusion, the prepared blended fabric suitable for the exercise mat has the characteristics of low cost, good safety, and good anti-bacterial effect, and is a novel fiber suitable for the requirement of modern sports equipment.

The invention discloses a suspended floor structure and relates to the technical field of building walls. The suspended floor structure includes several core tubes and a floor body. Several core tubes are arranged in two rows, and the top of each row of core tubes is fixedly connected with the same I-shaped steel beam. The floor body is located in two columns. Between the steel girders, a load-bearing frame is arranged at the bottom of the floor body, and several fixing pieces are arranged on the load-bearing frame and the bottom of the floor body. The present invention is equipped with a locking device, which is beneficial to lock and fix the hanging steel bars at the top and bottom of the I-shaped steel beam through the U-shaped lock, and lock and fix the two U-shaped locks at the same time through the locking rod. Prevent the hanging steel bar from falling off, so as to ensure the firmness between the hanging steel bar and the I-beam.

The invention discloses an anti-seismic and flood control device of the Guyun Corridor Bridge and a construction method thereof. The base of the approach bridge is set above the anti-seismic and flood control mechanism. The anti-seismic plate connects the first anti-seismic and flood control mechanism and the second anti-seismic and flood control mechanism. The bridge base is connected to the bridge body, and the second anti-seismic and flood prevention mechanism is connected to the bridge body through the second steel column penetrating the approach bridge base. Its construction methods include: construction preparation, construction of the second earthquake and flood control mechanism, construction of the first earthquake and flood control mechanism, seismic slab construction and corridor bridge construction. The construction method of the invention has simple steps, not only can satisfy the construction of ancient canal corridor bridges with different widths of rivers, but also can greatly improve the anti-seismic and flood control capacity of the ancient canal corridor bridges, prolong the service life of the ancient canal corridor bridges, and reduce maintenance costs.

The invention discloses an experimental device for a flow field display. An air inlet and an air outlet are arranged at two ends of a pipeline respectively; a trace gas generating device is arranged in the pipeline and is close to the air inlet; an axial-flow fan is arranged in the pipeline and is close to the air outlet; an observation section is arranged on the pipeline with the trace gas generating device and the axial-flow fan; a model control device is arranged in the observation section; a laser sheet cutting flow field device and an image data acquisition control device are arranged above the observation section; a steady flow tube bundle is arranged in the pipeline between the trace gas generating device and the observation section; a computer is connected with the model control device, the image data acquisition control device and the axial-flow fan through data transmission lines; and a fan frequency conversion control device is connected between the computer and the axial-flow fan. The experimental device is simple and convenient in control, acquires reliable experimental data and is used for qualitative experimental research for a flow field.