23results about How to "Reduce insecurity" patented technology

A pressure-absorption solid-liquid separator includes a filter, a pressurizing machine is arranged above the rear part of the filter frame, the pressurizing machine has a pressurizing machine belt arranged between the pressurizing machine driving roller and the pressurizing machine passive roller, the pressurizing machine filter cloth is wound around the outer circumference of the pressurizing machine belt, a pressurizing device is installed in the gap between the upper and lower widths of the pressurizing machine belt, the pressurizing device has a plurality of roller groups that can move up and down, each roller group has a plurality of rollers arranged in parallel and perpendicular to the length direction of the pressurizing machine belt, and a roller group pressing device is also provided, each roller group is connected to the roller group pressing device, and a plurality of supporting rollers are arranged at the position corresponding to the roller group under the upper width of the filter belt. The present invention organically integrates negative pressure water absorption and pressurized water squeezing into one device, which ingeniously solves the problem of high moisture content of the product, solves the problem of unsustainable production, and eliminates the unsafe problem caused by high pressure.

The invention provides a simple anchor cable frame device and relates to the technical field of roadway supporting, the simple anchor cable frame device comprises a supporting frame and sleeves, the sleeves are movably arranged at the middle ends of the two sides of the supporting frame, a connecting rod is connected between the two sleeves, a supporting plate is arranged on the connecting rod, and the two ends of the supporting plate are in a zigzag shape; a supporting plate is arranged at one end of the top of the supporting plate; the supporting frame is used as a frame body for lap joint, the supporting plate and the supporting plate are used as supporting parts, the supporting frame can be in lap joint with the longitudinal beam of the belt conveyor through the lap joint hook, the other end of the supporting frame is supported through the first supporting leg, and therefore the supporting plate supports the bottom air leg of the pneumatic jumbolter; a limiting space is formed through the folded shapes at the two ends of the supporting plate and the sleeves on the two sides, the air leg at the bottom of the pneumatic jumbolter is limited, the bottom of the air leg can be fixed through cooperation of the first fixing holes and bolts, the air leg is prevented from moving suddenly, safety risks are reduced, and the unsafe factors that the air leg of the jumbolter moves to hurt people are reduced.

The invention discloses an integrated steel production line and production process, which includes: a square tube assembly mechanism for realizing the splicing of two square tubes; an angle iron assembly mechanism for realizing the splicing of the angle iron and the assembled square tube to form the main body of the "L"-shaped steel; a flip chamfering mechanism for realizing the chamfering of the two ends of the main body; an inner angle welding mechanism for realizing the welding of the inner angle of the main body; a tongue plate assembly mechanism for inserting and fixing the tongue plates at the two ends of the main body; a bracket assembly mechanism for positioning and installing the bracket and flange on the main body; a penetration welding mechanism for realizing full welding between the various components of the "L"-shaped steel; a square tube assembly mechanism, an angle iron assembly mechanism, a flip chamfering mechanism, an inner angle welding mechanism, a tongue plate assembly mechanism, a bracket assembly mechanism and a penetration welding mechanism are arranged in sequence. The invention realizes the full automation production of the "L"-shaped steel, greatly improving the production efficiency and product quality.

The present invention provides a method and system for optimal path planning of a drone based on a dark warehouse. By acquiring the current position, target position and warehouse distribution information of the drone, multiple proposed paths from the current position to the target position are constructed, and the shortest path among the multiple proposed paths is selected as the optimal path. In a warehouse environment, when a certain position needs to be re-inspected or patrolled, the present solution can provide an optimal path for the drone, so that the drone does not need to fly around the warehouse shelves. According to the acquired warehouse distribution information, multiple proposed paths from the current position through the empty shelves to the target position are obtained, and the shortest path among the multiple proposed paths is selected as the optimal path of the drone, so that the drone patrols according to the optimal path, thereby shortening the patrol distance of the drone, improving the patrol efficiency of the drone, and reducing the unsafe factors that the drone may encounter in a long route, thereby increasing the safety of the drone patrol.

The utility model discloses an automatic tire grabbing manipulator, which belongs to the technical field of automobile tire processing equipment, and comprises a mounting seat, a rotating shaft is mounted in the center of the top of the mounting seat, a central gear is arranged at the bottom of the mounting seat, and the central gear is fixedly connected with the bottom end of the rotating shaft. The bottom of the mounting base is rotatably connected with three planetary gears through pin shafts, the planetary gears are in meshed connection with the periphery of the center gear, the bottoms of the planetary gears are fixedly connected with arc swing arms, and the center gear and the planetary gears can be matched with a driving mechanism, so that the arc swing arms drive the first clamp to be unfolded; the tire inner ring opening grabbing device can grab tire inner ring opening positions of different sizes, grabbing is easy and convenient, firmness and reliability are achieved, the applicability is improved, meanwhile, the second clamp is additionally arranged, the situation that tires fall off during carrying is effectively prevented, the insecurity of manual tire carrying is reduced, the manual burden is relieved, and the working efficiency is improved.

The invention relates to a quick assembly process for a valve seat of a plug valve. The quick assembly process comprises the following steps that the small head end of a guide sleeve is mounted at a flange of a valve body of the plug valve; when the plug valve is used, the valve seat is firstly arranged in the conical shaft hole of the guide sleeve from the upper part of the guide sleeve, then the valve seat is pressed into the guide sleeve by using the large end of the pressing block, and finally the valve seat is pressed into the inner cavity of the plug valve body by using the small end of the pressing block; the split supporting block assembly is firstly placed in the valve seat, then the wedge-shaped block is inserted into the wedge-shaped groove between the two split supporting blocks, and the wedge-shaped block is pressed downwards to enable the split supporting block assembly to open the valve seat. The taper plug is installed in the valve seat firstly, then the taper plug is pressed downwards through external force so that the taper plug can open the valve seat, and finally the taper plug is pulled out. The relative position accuracy of the valve seat and the valve body and the relative position accuracy of the valve seat and the pressing block are guaranteed, unsafe factors are reduced, the sealing performance of the valve seat can be guaranteed, and the assembling efficiency of the valve seat is effectively improved.

According to the titanium and titanium alloy glasses frame plate polishing and grinding device, a trolley is arranged on the platform face of a platform frame, supporting wheels distributed in the width direction of the trolley are symmetrically installed on the front side of the bottom face of the trolley, and a polishing and grinding assembly arranged at the rear end of the upper plane of the trolley is connected with a transmission driving device arranged on the trolley; the transmission driving device drives the polishing and grinding assembly to polish and grind the gold glasses frame plate placed on the platform frame. A dust suction device used for sucking dust generated in the polishing and coping process is arranged at the front end of the platform face of the platform frame. The transmission driving device drives the polishing and grinding assembly to rotate to polish and grind a gold spectacle frame plate placed on the platform frame, the defect that polishing and grinding of tiny flaws on the surface of a spectacle frame are inconvenient is overcome, and the polishing and grinding efficiency and quality of the tiny flaws on the surface of the spectacle frame are improved. And the dust content in the polishing and coping process is reduced, and a relatively healthy working environment is provided for workers.

The utility model discloses a novel high stability frock quick switching base equipment relates to welding fixture technical field. The utility model discloses a fixed base and set at the top of fixed base's welding fixture main part and set between the top of fixed base and welding fixture main part bottom's mobile platform main part still include: moving wheel, set in the four corners at mobile platform main part bottom end, the both sides of mobile platform main body front end are provided with front end positioning seat. The utility model discloses through increasing detection mechanism and stable locking mechanism on the basis of pinhole positioning welding fixture, can alleviate the wear and tear of pinhole positioning, further improves the accuracy of quick switching structure positioning, improves the positioning stability, and the dismounting and replacing clamp can be quickly and simply switched only by manual, reduces the dependence on other machinery, reduces the insecurity caused by the confusion of too many other machinery or switching personnel.

The invention discloses a pH control system for coal coking circulating liquid, comprising a pH control system for acid washing tower circulating liquid and a pH control system for alkali washing tower circulating liquid. A pH detection control device is arranged between the pH control system for acid washing tower circulating liquid and the pH control system for alkali washing tower circulating liquid. The pH of the spraying liquid of the acid washing tower and the alkali washing tower is monitored and analyzed in real time and compared with the set pH by the pH detection control device. The opening of the automatic regulating valve is controlled according to the output signal of the comparison result, so as to realize automatic monitoring, detection and control of the pH of the spraying liquid of the acid washing tower and the alkali washing tower. The invention has the beneficial effects of realizing automatic monitoring, detection and control of the pH of the acid washing tower and the alkali washing tower, reducing labor, replacing manual detection and testing with a pH detector, eliminating human unsafe factors, and realizing all-weather real-time detection by the pH detector, with high operation accuracy, high acid and alkali dosage accuracy, and energy saving and consumption reduction.

A kind of unhooking lifting appliance for crossbeam hoisting, including plate body, lifting rope, rotating disc, torsional spring, winding disc, pull rope and synchronous rotating mechanism. Wherein, rotating disc is equipped with pawl, driving pulley and two rope passing holes, two rope passing holes are symmetrically arranged about the center of rotating disc;Winding disc is equipped with winding rope disc and ratchet, ratchet is matched with pawl;The middle part of pull rope is wound on winding disc, and hook is fixed on the end of pull rope;Synchronous rotating mechanism includes synchronous belt and rotating hook, driven pulley and hook plate are arranged on rotating hook, driven pulley is connected with driving pulley by synchronous belt. Rotating disc, winding disc and pull rope constitute automatic centering mechanism, two hooks are respectively hooked in the two ends of crossbeam, can make this lifting appliance automatically move to the central part of crossbeam, make lifting heart and the gravity center of crossbeam coincide, solve the unbalance problem of crossbeam when hoisting. This lifting appliance saves time and effort, automatically realizes the hooking and unhooking of crossbeam, eliminates the unsafe factors in the existing hoisting mode.

The present invention discloses a square tube column production line and production process, the square tube column production line includes: a flip chamfering mechanism, used to realize chamfering at both ends of the square tube column; a tongue plate assembly mechanism, used to insert and fix tongue plates at both ends of the square tube column; a corbel assembly mechanism, used to position and install corbels and flanges on the square tube column; a full penetration welding mechanism, used to realize full welding of various components on the square tube column; the flip chamfering mechanism, the tongue plate assembly mechanism, the corbel assembly mechanism and the full penetration welding mechanism are arranged in sequence to form a fully automatic continuous production line. Compared with the prior art, the square tube column production line and production process realize the fully automated production of square tube columns, completely subvert the original segmented and discontinuous production mode of square tube columns, greatly improve production efficiency and product quality, save a lot of manpower, material resources, energy and site, and greatly reduce the unsafe factors between processes.

The present invention discloses an automatic retracting and releasing mechanism for the tail rope of a motorized capstan. The mechanism comprises: a frame; a fixed angle transmission box and a clamping and fixing block are arranged at intervals on the frame; a base is arranged in the middle of the frame between the fixed angle transmission box and the clamping and fixing block, a rotating angle transmission box is rotatably arranged on the base, and a spring is arranged between the rotating angle transmission box and the clamping and fixing block; a rope clamping wheel is arranged on the output shaft on the same side of the fixed angle transmission box and the rotating angle transmission box; a transmission device is connected to the power input shaft of the fixed angle transmission box and the rotating angle transmission box to drive the rope clamping wheels of the fixed angle transmission box and the rotating angle transmission box to rotate in opposite directions at the same speed; the power input shaft of the transmission device is connected to the drum shaft of the motorized capstan through a one-way transmission mechanism. The present invention has a simple overall structure and is easy to use. Less devices are added outside the motorized capstan body, which avoids the difficulty of transportation; and it is not strictly restricted by the construction site.

The invention belongs to the technical field of automobiles, and particularly relates to a flying wing door mixed opening and closing switching system, an automobile and a switching method. Comprising an opening mechanism and a door connecting arm. The other end of the opening mechanism is connected with a vehicle body; the vehicle door connecting arm is fixed with a vehicle door; the opening mechanism comprises a switching mechanism, a flying wing door controller and a side door controller; the switching mechanism is driven by a rotating mechanism driving motor; the side door opening controller controls the vehicle door to be opened laterally; and the flying wing door controller controls the vehicle door to perform flying wing opening. A pull wire mechanism is adopted to control the sliding block to work, so that the arrangement position of the actuator is more flexible, the size and the type of the actuator are more flexible, a motor with higher power can be selected, larger driving force is provided, the mechanism switching is more facilitated, and switching between a side door mode and a flying wing door mode can be achieved; and the frequency of changing the riding position between the front row and the rear row of seats by passengers is greatly reduced.

The utility model discloses an industrial fire-fighting escape ladder which is characterized in that a first ladder body and supporting arms are provided, are mounted on first side rods on two sides of the first ladder body, extend towards the mounting direction close to a wall body and are propped against the wall body; the second ladder body comprises second side rods on the two sides and second transverse rods transversely arranged between the second side rods, the second ladder body is hinged to one end of the first ladder body, the hinge point is located on the sides of the first ladder body and the second ladder body, and when the industrial fire-fighting escape ladder is unfolded, the end of the first ladder body abuts against the end of the second ladder body; the lifesaving platform is mounted at the lower part of the second ladder body and transversely extends outwards; the handrails extend outwards from the second side rods on the two sides of the second ladder body and are located above the lifesaving platform. According to the industrial fire-fighting escape ladder, the escape efficiency and safety can be effectively improved, it is ensured that workers can rapidly and safely evacuate to a safe area under the emergency situations such as fire disasters and explosions, and therefore casualties and property losses are reduced.

The present invention discloses a signature-based security management method for consistency between source code version and product version, which relates to the field of data processing technology. The method includes signing the code using a digital signature technology when the source code is submitted to a version library; generating a unique product version number when the source code is compiled into a product, and calculating the hash value of the product; establishing a mapping relationship for each product in a compilation file unique index formal table; digitally signing the generated product to ensure the integrity of the product version and content; through real-time signature verification, the integrity of the product and the authenticity of the source can be ensured, the impact of security incidents can be reduced, and the differences between products generated in different compilation environments can be reduced, which makes the subsequent relationship complicated and difficult to handle; through automated version control and product signature processes, the consistency of the version information of all products and their source codes can be guaranteed.

The utility model discloses a kind of ore box formula ore pulp adjusting devices, including tank and the fixed platform being connected with the tank, the periphery of the fixed platform is provided with fence, the fence is steel structure setting;5 ore outlets are provided in the tank, each The ore outlet is provided with conical plugging cooperation;Connecting rod structure is provided on the conical plugging, the connecting rod structure is cooperated with the support frame on the fence, the connecting rod structure includes vertical positioning rod and the operating lever being connected with the vertical positioning rod, the open end of the operating lever is cooperated with the notch of support frame upper end, the notch is spaced apart along the vertical direction of the support frame, the notch is at least 5-10, and notch width is 50-60mm.

The utility model relates to the technical field of equipment maintenance, in particular to an integrated dismounting device for a roller way bearing system. The dismounting device comprises a carrier roller placing frame and a drawing driving frame, wherein the carrier roller placing frame and the drawing driving frame are both arranged on the horizontal ground of a workshop; a plurality of carrier roller placing areas capable of horizontally and transversely placing carrier rollers are arranged at the top of the carrier roller placing frame in parallel at intervals; the drawing driving frame is provided with a frame body, a vertical lifting mechanism, a clamping jaw mechanism and a transverse ejection mechanism, the vertical lifting mechanism is arranged on the frame body, the clamping jaw mechanism and the transverse ejection mechanism are both arranged on a lifting block of the vertical lifting mechanism, and the transverse ejection mechanism is located in the interval space among a plurality of clamping jaws on the clamping jaw mechanism. According to the dismounting device, the to-be-dismounted part can be prevented from inclining in the dismounting process, so that the dismounting efficiency is improved, damage to the surface of the carrier roller is avoided, manpower is reduced, and the operation time is shortened.

The simple self-discharging slag hopper for the ball mill relates to the technical field of slag hoppers and comprises a slag hopper body and an ore discharging hopper, an upper opening and a lower opening are formed in the upper end face and the lower end face of the slag hopper body respectively, movable plates are connected to the left side and the right side of the lower opening in a hinged mode, and opening and closing control mechanisms are installed on the outer sides of the two movable plates respectively. When the slag hopper is filled with discharged slag of the ball mill, the steel wire rope is lifted upwards, the steel wire rope contracts, the two movable plates are tensioned and closed, when the slag hopper is placed at an ore feeding opening, the lower portion of the slag hopper is suspended, the two movable plates are opened under the action of slag gravity, ore discharging is completed, and therefore the conveying and discharging efficiency of the slag hopper is improved, and meanwhile unsafe factors in the discharging process are reduced.

This utility model relates to the field of metal processing equipment technology and discloses a metal processing mold with automatic unloading function, including a support frame. A mounting plate is fixedly installed on the top of the support frame. First rail plates are fixedly installed on both sides of the surface of the mounting plate. Transmission wheels are movably installed at both ends of the inner side of the first rail plates. A transverse transmission belt is movably installed on the surface of the transmission wheels. A driven wheel is fixedly connected to one side of the transmission wheel. A transmission system is formed by the mounting plate on the top of the support frame, the first rail plates on both sides, the transmission wheels, the transverse transmission belt, the vertical transmission belt, and the first motor. The first motor drives the vertical transmission belt to rotate the driven wheel and the transmission wheel, so that the transverse transmission belt moves laterally along the first rail plate. The connecting block and the movable connecting block drive the upper connecting plate and the unloading structure to move synchronously, realizing the automatic movement of the unloading structure in the transverse and vertical directions. With the cooperation of the unloading structure, the picking and unloading of metal items can be automatically completed.

The utility model relates to the technical field of commercial vehicle frame longitudinal beams, in particular to a commercial vehicle frame longitudinal beam tail end forming tool which comprises an upper machine frame and a lower machine frame, a first hydraulic cylinder penetrating through the upper machine frame is arranged on the top of the upper machine frame, and a pressing block is installed at the end of the first hydraulic cylinder and used for fixing a longitudinal beam. A middle module and symmetrically distributed forming mechanisms are arranged on the two sides of the lower rack, the forming mechanisms are provided with second hydraulic cylinders penetrating through the side faces of the lower rack, and pressing blocks are installed at the ends of the second hydraulic cylinders and used for extruding the edges of the longitudinal beams; the machining efficiency is improved, manual forming in the prior art is replaced with the forming tool, the machining time is greatly shortened, and the machining efficiency is improved; the machining quality is improved, in the prior art, forming is completely achieved through hammering of machining personnel, the influence of the machining level of the machining personnel is large, the influence of subjective factors can be reduced through a forming tool, and the machining quality is guaranteed; and unsafe factors in the machining process are reduced.

This utility model belongs to the field of daily necessities technology and specifically discloses a portable coiled charging kettle. The device includes two parts: the kettle body and the kettle lid. The kettle lid includes an inner embedded lid, an outer heating base, and a coiled charging cable fixed below the base. The kettle body includes a carrying handle, a glass kettle body, a tea infuser, and a stainless steel heat-conducting plate. The handle in the kettle body is fixed to the outer wall of the glass kettle body by a rubber ring and a rubber ring gasket. The inner lid is embedded in the inner wall of the glass kettle body by a food-grade rubber ring. The tea infuser is fixed in place opposite the inner lid by a spiral fitting. The heat-conducting plate is fixed at the bottom and connected to the glass kettle body. The outer heating base in the kettle lid is fixed to the inner lid. The charging cable is coiled inside the heating base, which has a groove and a buckle at the bottom for holding the charging coil and plug. The kettle storage device provided by this utility model achieves good structural stability and portability, and has the outstanding advantages of being simple, practical, and easy to promote.

The application provides a nucleic acid aptamer and a screening method thereof, the nucleic acid aptamer is an oligonucleotide DNA structure, the nucleotide sequence of the nucleic acid aptamer is the nucleotide sequence of any one of the DNA fragments shown in SEQ ID NO: 1-3, and the nucleic acid aptamer can specifically target cardiomyocytes (CMs). The application can provide a new strategy for the clinical treatment of cardiovascular diseases, and can carry microRNA (miRNA), small interfering RNA (Small Interfering RNA, siRNA), liposomes, microspheres, microcapsules and other bioactive molecules to be used as drug delivery tools in cells.

The present invention relates to a control system for non-motorized vehicle lanes at a flat intersection. This control system obtains different partitions by separating non-motorized vehicle lanes, so that non-motorized vehicles passing through the intersection can be effectively controlled. On the basis of the present invention, corresponding measures are taken to, firstly, force non-motorized vehicles with different directions of travel to be diverted into vehicle flows that conform to the direction of travel and do not cross-interfere with each other, and secondly, non-motorized vehicles do not interfere with motor vehicles when passing through the intersection, which not only greatly reduces unsafe factors, but also makes the passing efficiency higher. When a controllable waiting area is set in front of the two controlled lanes, it is beneficial to shorten the waiting time. This control system has a simple structure, is safe and reliable, and can physically and psychologically encourage non-motorized vehicle drivers to abide by traffic regulations when passing through a flat intersection, and consciously maintain road traffic safety and the image of urban civilization.