101results about How to "Efficient handling" patented technology

The invention relates to the field of robots, and discloses a cube carrying and angle and posture adjusting robot which comprises a movable chassis; the XZ-axis linear moving platform is arranged on the moving chassis so as to move in the X-axis direction and the Z-axis direction. The Y-axis linear moving assembly is arranged on the rear portion of the X-Z-axis linear moving platform and drives the cubic object to linearly move along the Y axis. The obtaining mechanisms are arranged on the two sides of the XZ-axis linear moving platform and used for obtaining the cubic objects and placing the cubic objects in the XZ-axis linear moving platform. The posture adjusting mechanisms are arranged on the two sides of the XZ-axis linear moving platform and used for adjusting the posture of an object entering the XZ-axis linear moving platform. And the placing mechanism is arranged on the Y-axis linear moving assembly and used for obtaining the articles subjected to posture adjustment through the posture adjusting mechanism, the Y-axis linear moving assembly drives the articles to move to the designated position, and the articles are released to the designated position through the placing mechanism. According to the invention, acquisition, angle and posture adjustment, transportation and stacking of the cube can be realized.

The invention discloses a synchronous time-based DMA (direct memory access) method, device and system, which comprises a DMA basic counter, the value of the DMA basic counter is increased by a fixed value every at least one clock period, and the method further comprises the following steps of: presetting at least one DMA timing value, presetting a DMA carrying task corresponding to each DMA timing value, and presetting a trigger condition; comparing the value of the DMA basic counter with a preset DMA timing value; when the trigger condition is met, a DMA carrying task corresponding to the DMA timing value is executed, and the DMA carrying task is to carry data on a DMA source address to a DMA destination address. According to the method, a DMA method based on synchronization time is adopted, and data on a DMA source address in a chip is carried to a DMA destination address according to presetting; therefore, efficient carrying of a large amount of timing data is achieved, and particularly efficient carrying of a large amount of timing discontinuous address data is achieved.

The utility model discloses a plate transporter which comprises a rack, a translation seat, a translation driving mechanism, a lifting mechanism, a suction cup frame, a vacuum suction cup mechanism and a recognition mechanism. The translation seat is arranged at the top of the rack in a sliding mode and is driven by the translation driving mechanism to move left and right, the suction cup frame is arranged below the translation seat through the lifting mechanism, lifting adjustment is conducted through the lifting mechanism, a plurality of vacuum suction cup mechanisms are arranged on the suction cup frame, and the recognition mechanism is installed beside the rack; a plurality of electromagnetic chuck mechanisms are arranged on the chuck frame; and the electric control box is used for replacing the recognition mechanism. Compared with the prior art, the plate sorting device has the advantages that when the plate sorting device is used, manual carrying and sorting of plates and plate-shaped steel frames are not needed, manual work is replaced by machinery, and therefore the plates and the plate-shaped steel frames can be carried more stably, conveniently and efficiently; and according to different procedures, after the plates or the plate-shaped steel frames are carried, the plates or the plate-shaped steel frames can be automatically stacked according to set codes.

The invention relates to the technical field of data processing and state monitoring, and discloses an intelligent ring main unit fault real-time diagnosis method and system, and the method comprises the steps: constructing a fault feature over-complete dictionary; collecting and preprocessing high-frequency operation data streams of the ring main unit in real time; carrying out online sparse decomposition and manifold mapping based on the dictionary, and converting a high-dimensional signal into a low-dimensional sparse coefficient and manifold features; and a lightweight classification model is used for rapid reasoning, and fault early warning and data uploading are triggered when abnormity is detected. The system comprises a data acquisition module, a preprocessing unit, an edge computing engine, an intelligent diagnosis module and a communication gateway. According to the method, depth dimension reduction and feature enhancement are realized through a manifold sparse coding technology, the bandwidth pressure and the calculation overhead are reduced on the premise of ensuring the fault feature integrity, and the real-time performance and the accuracy of diagnosis are improved.

The present invention provides a production equipment for efficient cutting, bending and handling of insulating films, which belongs to the technical field of battery box film pasting, including: a cutting mechanism including a cutting template, a cutter and a first driving element, the cutter is linked to the first driving element, and the first driving element can drive the cutter to move toward the cutting template; a bending mechanism including a bending template, a punch and a second driving element, the punch is linked to the second driving element, and the second driving element can drive the punch to move toward the bending template; a handling mechanism including a sliding assembly and an adsorption assembly, the adsorption assembly is connected to the sliding assembly, and the sliding assembly can move between the cutting mechanism and the bending mechanism. The beneficial effects of the present invention are: the equipment can efficiently cut, bend and carry insulating films, reduce and optimize the process steps, and improve the thermal film pasting efficiency of battery box products, enhance the convenience and comfort of employee operation, improve employee efficiency, and reduce production costs.

The present invention provides a logistics system that can easily transport articles in a building and a building site. The logistics system is mainly controlled by an elevator system. Specifically, the logistics system includes an elevator system installed in a building, and an unmanned aerial vehicle that flies from the first floor of the building to the second floor of the building through the inside of the elevator passage of the elevator system in a state where the article is suspended. With this structure, the article can be easily transported mainly inside the building.

The application discloses a kind of dynamic partitioning method and system based on data skew model, it is related to big data technology field, including collecting data and pre-processing data, establish data skew evaluation model to predict pre-processed data, according to data characteristics, the data skew degree in job processing process is predicted, determines partition optimization strategy, designs evaluation experiment to compare dynamic partitioning with static partitioning, and repeatedly optimizes dynamic partitioning.This application proposes dynamic partitioning algorithm based on data skew model, which can select suitable partitioning strategy according to the skew degree of the data being processed, use the algorithm of three optimization methods based on Spark dynamic partitioning to process data performance comparison experiment, design and verify the universality and efficiency of the above dynamic partitioning scheme, can make the load balancing of the whole computing cluster, make full use of the computing resources of cluster, more efficiently complete data processing and calculation.

The utility model provides a bi-directional working type forklift which comprises a cab, a frame and a swing mechanism, the cab is rotatably connected to the frame through the swing mechanism, and the front side and the rear side of the frame are both provided with portal frame assemblies fixedly connected with the frame. The side, away from the frame, of the portal assembly is slidably connected with a fork arm carrier, and a fork is connected to the fork arm carrier. A pallet fork connecting shaft is arranged at the end, away from the door frame assembly, of the pallet fork frame, and the pallet fork is rotationally connected with the pallet fork frame through the pallet fork connecting shaft so that the pallet fork can be overturned upwards to be folded. According to the two-way working type forklift, the working efficiency is improved, and goods carrying is more efficient.

The application discloses a kind of zero visual seam's liquid crystal display unit, it is related to display technical field.The display unit includes backlight module, liquid crystal panel assembly and optical compensation composite cover plate.Wherein, the edge of backlight module is equipped with the chamfer support surface that is inwards shrinkage, the non-display area of liquid crystal panel assembly is bent or adhered along the chamfer support surface, so that the physical height of non-display area is lower than the plane where effective display area is located.Optical compensation composite cover plate is adhered to the surface of liquid crystal panel assembly and extends to cover above non-display area, and the cover plate sequentially includes light remodeling layer, waveguide light uniform layer and wide-angle scattering layer from bottom to top.The application is cooperated by mechanical structure and micro-nano optics, realizes the visual screening of physical seam under the premise of not increasing electronic control complexity, solves the problems of large assembly thickness, black seam ghost and edge image distortion in traditional seam elimination scheme.

This invention discloses a stream-based real-time log analysis and alerting method, apparatus, and related equipment. The method includes: collecting log data generated by different security devices; adding a flag field to each collected log data; formatting the log data according to the flag field; normalizing the formatted log data using a streaming processing framework; caching the normalized log data according to a preset matching scheme; determining whether the number of cached logs of the same statistical dimension reaches a preset threshold; if so, determining whether the generation time of all log data reaching the preset threshold exceeds a preset observation time range; and generating an alert if so. This method can solve the problem of log consumption capacity being less than log generation speed, significantly improving the analysis efficiency of attack log data and achieving more efficient log processing and alerting.

The invention relates to the technical field of integrated circuit design, in particular to a current bias circuit for high-precision current calibration and a control method, and the circuit comprises a band-gap reference circuit, a current calibration circuit, a current detection circuit and a first bias unit; the band-gap reference circuit is used for outputting reference current; the bias unit receives the reference current and outputs a bias voltage to the current calibration circuit; the current calibration circuit is used for calibrating an input current through the Trim circuit and outputting a calibrated current; and the current detection circuit receives the calibrated current and outputs an indication signal. According to the invention, the current calibration circuit is introduced, so that accurate voltage value and current value output can be realized no matter how a process corner changes.

The application discloses a kind of nano silver slow-release particles, preparation method and self-cleaning mask atomizer, the nano silver slow-release particles are made of 0.1% to 5% silver powder, 20% to 50% sodium hexametaphosphate, 30% to 50% calcium acetate, 1% to 10% zinc oxide and 10% to 20% polyacrylic acid sodium composition.The nano silver slow-release particles of the application can release silver ions in the nano material in water body, with the advantages of drinking safety, persistent antibacterial and the like.The nano silver slow-release particles are fixed in the mask atomizer, the nano silver slow-release particles can release ppb level concentration of silver ions in water body or liquid, and the silver ion-containing bacteriostatic water body can efficiently clean and bacteriostatic treatment of atomizing cup, mask, atomizing device and connecting piece, and can also be drunk or inhaled by people along with the atomization process.Meanwhile, the bacteriostatic water body does not cause damage to the atomization function of the atomizing device, and the silver ions remaining on the surface after washing the mask atomizer with clean water can also keep the atomizing equipment clean for a long time, and the practicability is better.

The invention provides a carrying device for casting production, and belongs to casting carrying, the carrying device comprises a multi-joint robot, a base table and an operation table arranged on the base table, the multi-joint robot comprises a body, and an assembly frame used for assembly is arranged at the output end of the body; the unfolding hand is installed on the operation table in a swinging mode, the locking unit is installed on the unfolding hand and used for restraining the casting, a plurality of locking parts capable of being actively matched with the casting to restrain are fixedly connected into the locking unit, and the locking parts are distributed on the locking unit at equal intervals. The problems that die casting carrying is repeated and heavy work, castings with different structures need to be carried to a grinding table from a conveying belt to be ground and deburred, however, castings capable of being operated by an existing carrying robot during application are specific and cannot be matched with the castings with the different structures, and the machining efficiency is high are solved. Therefore, various grabbing instruments need to be replaced in the application period, and the grabbing instruments are not high enough.

The invention relates to a carrying device and conveying equipment, the carrying device comprises a rack, a pick-up structure and a swing arm mechanism, the pick-up structure comprises a connecting plate and a plurality of pick-up pieces arranged on the connecting plate, and the pick-up pieces are used for picking up workpieces; the swing arm mechanism comprises a plurality of swing arms, and the two ends of each swing arm are rotationally connected with the rack and the connecting plate correspondingly, so that the connecting plate and the rack form parallelogram transmission connection through the swing arm mechanism. The two ends of the swing arm mechanism are rotationally connected with the rack and the connecting plate correspondingly, so that when the swing arm mechanism rotates, the connecting plate can be driven to eccentrically rotate relative to the rack, and the whole picking structure can move in the two orthogonal directions. Therefore, two drivers do not need to be arranged to drive the picking structure to move in the two orthogonal directions, and the structure of the carrying device is simplified. Moreover, the connecting plate and the rack are connected only through the swing arm, the structure is simple, and production is convenient. The conveying equipment comprises the carrying device and is simpler in structure.

The utility model discloses an environment-friendly public toilet with a rainwater collecting, recycling and flushing device, which belongs to the field of environment-friendly public toiles.The environment-friendly public toilet comprises a public toilet body, a storage box is fixedly connected to one side of the movable environment-friendly public toilet body, a collecting hopper is fixedly connected to the upper portion of one side of the movable environment-friendly public toilet body, and the collecting hopper is communicated with the storage box through a conveying pipe. The storage box is fixedly connected with the movable environment-friendly public toilet body through an output pipe, a filter frame is arranged in an inner cavity of the storage box, butt joint blocks are fixedly connected to the two sides of the filter frame, and clamping blocks are fixedly connected to one sides of the butt joint blocks; through cooperative use of the devices, the maintenance convenience is improved, the cleanliness and the service life of the filter frame are effectively guaranteed, and a solid foundation is laid for long-term and stable operation of the public toilet.

This utility model relates to the field of octadecanamide processing technology, and discloses a distillation and purification device for octadecanamide processing, including a distillation kettle. A support ring is fixedly connected to the surface of the distillation kettle, and a support rod is fixedly connected to the bottom of the support ring. A rotating screw is rotatably connected to the surface of the distillation kettle. This utility model, by setting the surface of the rotating screw to contact the inner surface of the sealing cover, and the bottom of the limiting rod to contact the top surface of the sealing cover, ensures the sealing cover is firmly installed while also improving sealing performance. The rotating screw can be rotated to adjust its contact tightness with the sealing cover, and the limiting rod provides auxiliary support and positioning. Together, they effectively prevent steam leakage from the sealing cover within the distillation kettle, ensuring the distillation process takes place in a relatively closed environment, thereby improving the quality and efficiency of distillation and purification.

This invention discloses a machine learning-based method, identification method, and apparatus for detecting and identifying UAV telemetry and control link signals, relating to the field of signal detection, and aimed at improving applicability to complex electromagnetic backgrounds such as non-Gaussian noise environments. The invention includes: acquiring radio frequency (RF) signals; preprocessing the RF signals using wavelet transform; extracting and fusing the dimensional transformation state statistical features and signal envelope features of the preprocessed RF signals to obtain fused features, and performing UAV presence identification based on the dimensional transformation state statistical features; calculating the classification results of the fused features using a basis vector learning model and a spatial metric search model, respectively; and performing weighted fusion of the calculated classification results, using the category corresponding to the maximum fused classification probability as the identification result. This invention improves the accuracy of UAV telemetry and control link signal detection in complex non-Gaussian channel environments, exhibits better universality in non-Gaussian noise environments, and demonstrates strong robustness.

The utility model relates to direct drinking water equipment technical field discloses a kind of multifunctional integrated nanofiltration pipeline direct drinking water equipment, comprising: raw water tank;Pretreatment device, input and the output of raw water tank intercommunication;First ozone generator and micro-nano bubble generator, first ozone generator is connected with micro-nano bubble generator, and micro-nano bubble generator is communicated with pretreatment device;Precise filtration device, input and the output of pretreatment device intercommunication, and precise filtration device is also communicated with the output of micro-nano bubble generator;Second ozone generator and ozone mixer, the output of second ozone generator and ozone mixer intercommunication, and the input of ozone mixer and the output of precise filtration device intercommunication;Pure water tank, input and the output of ozone mixer intercommunication;End processing device.The utility model is high in integration, and good in sterilization effect, and stable in operating effect.

The utility model discloses a lint processing drying shaping auxiliary device, which relates to the lint processing field and comprises a machine body, an adjusting assembly and a drying assembly, and driving motors are arranged outside two sides of the machine body. According to the drying and shaping auxiliary device for flannelette processing, the limiting assembly, the adjusting assembly, the drying assembly and the cooling assembly are arranged, so that flannelette cloth is limited to a certain extent in the using process of the drying and shaping auxiliary device during flannelette processing, and the situation that the flannelette cloth is loosened during conveying is avoided; the condition that the lint cloth is wrinkled during follow-up conveying is avoided, it is guaranteed that follow-up drying and cooling treatment is efficiently carried out, meanwhile, the lint cloth is dried, air circulation is achieved through the structure, the drying efficiency of the drying and shaping auxiliary device is improved, the lint cloth is cooled, and the quality of the lint cloth is improved. The influence of high-temperature flannelette cloth on subsequent processing is avoided, and a worker can conveniently use the drying and shaping auxiliary device.

This invention discloses an integrated small embedding cassette and its tissue bottle for a pathological tissue embedding cassette sorting system, comprising a tissue bottle and an integrated small embedding cassette; the tissue bottle includes a top cover and a bottom cover, the inner wall of the top cover having a threaded structure, and the top and bottom covers being detachably connected via the threaded structure; the integrated small embedding cassette is horizontally positioned inside the tissue bottle, and the bottom cover has a sealed cavity for containing liquid; the integrated small embedding cassette includes a body and a lid, the body and lid being integrally formed. This invention, through integrated structural design, integrates the traditionally separate tissue bottle and the integrated small embedding cassette into a coaxial assembly structure, eliminating the sample transfer step, significantly reducing operational complexity, and minimizing reliance on manual labor. By setting a sealed threaded connection between the top and bottom covers, formaldehyde gas leakage from formalin solution is effectively reduced, improving biosafety.

The present application relates to the technical field of underwear gluing image recognition, and particularly relates to a kind of underwear gluing image recognition method and system based on high-precision positioning, the method comprises the following steps: obtaining no trace underwear image data;The no trace underwear image data is divided into multiple local regions, and local brightness feature information is obtained;According to the local brightness feature information of each local region, the edge detection threshold of each local region is determined;Edge detection operator is applied to each multi-resolution image, and the edge graph of each multi-resolution image is extracted in combination with the edge detection threshold of each local region;Fusion each edge graph, and obtain preliminary edge contour;The preliminary edge contour is subjected to morphological processing, smoothing processing and connection processing, and refined gluing contour is obtained;The refined gluing contour is converted into coordinate point sequence, and the coordinate point sequence is output as gluing path instruction.The above is helpful to improve product quality and production efficiency.

The utility model discloses an anhydrous sodium sulfate processing and purifying device which comprises a supporting base, a dissolving barrel, a filter and a processing box, after the dissolving barrel is fixed on the supporting base, the top of the dissolving barrel is communicated with the feeding pipe and the solvent pipe, and after raw materials enter the dissolving barrel through the feeding pipe, a chemical solvent enters the dissolving barrel through the solvent pipe and is fully mixed under the cooperation of the heating plate on the inner wall of the dissolving barrel; the mixed solution enters the filter on the supporting base through the material pipe, the filter filters out impurities and then guides the solution into the treatment box, a temperature control mechanism in the treatment box is matched to concentrate and crystallize the solution, one side of the treatment box is communicated with a discharge valve, and the top end of the other side of the treatment box is communicated with a one-way exhaust valve. Compared with the prior art, the device has the advantages that by adding a chemical agent into the dissolving barrel, insoluble compounds formed by heavy metals are precipitated, and the impurity content in a product can be remarkably reduced by matching with the filter.

The invention discloses an event camera video reconstruction method and system based on active aperture modulation, and the method comprises the steps: introducing an aperture modulation strategy for the first time, and reconstructing an initial frame with good quality by periodically adjusting the opening and closing of an aperture and actively triggering a dense global event signal; the problem of low background reconstruction quality caused by sparse events in a static region in the prior art is solved, and good prior information is provided for subsequent dynamic scene reconstruction. By constructing a forward-reverse bidirectional network, rich intensity information is provided for a static scene, and the problems of background disappearance and error accumulation in long-time operation in a traditional method are effectively solved. And meanwhile, high-time-resolution capture of a dynamic region is kept, and high-fidelity and high-dynamic-range video reconstruction is realized.

This utility model relates to the field of wastewater treatment technology, and in particular to a series-type wastewater treatment flotation machine. It solves the problems of existing technologies where the sludge collection box is fixedly installed, resulting in cumbersome disassembly, difficulty in independent removal for thorough cleaning, long maintenance cycles, and high labor intensity. The series-type wastewater treatment flotation machine includes a flotation machine body and a mounting frame connected to the top of the flotation machine body. A mounting bracket is provided at one end of the flotation machine body, and the mounting bracket is connected to the end of the mounting frame via a connecting structure. A detachable collection chamber and a liquid collection box are provided at the bottom of the mounting bracket. This utility model, through the detachable liquid collection box and collection chamber, significantly improves the convenience of subsequent cleaning and maintenance efficiency, effectively reduces manual labor intensity, and meets the actual needs of efficient and stable equipment operation and rapid maintenance.

The utility model discloses a real-time data routing device, which belongs to the technical field of routing devices and comprises an outer shell, a data routing system is mounted in the outer shell, a plurality of uniformly distributed butt joint holes are arranged at the rear end of the outer shell, a baffle is arranged between adjacent butt joint holes, and the baffle is fixedly connected with the outer shell. A matched movable butt joint assembly is slidably installed in the butt joint hole, a data interface is fixedly installed at the end, close to the data routing system, of the movable butt joint assembly, the data interface is electrically connected with the data routing system through a data connecting line, and an auxiliary plate is fixedly installed at the upper end of the movable butt joint assembly. A plurality of moving holes matched with the auxiliary plates are formed in the upper end of the outer shell, through the design of the movable butt joint assembly, connection between the connector and the data interface is more stable and not prone to loosening or falling off, the real-time transmission stability of data is effectively guaranteed, and the situation that data transmission is interrupted due to the connection problem is reduced.

The invention belongs to the technical field of gas flow meter pneumatic clamping, and discloses a movable gas flow meter pneumatic clamping lifting device which comprises movable rolling wheels, a base disc is fixedly installed above the movable rolling wheels, a gas pipeline bracket is fixedly installed above the base disc, and a gas pipeline is fixedly installed above the gas pipeline bracket. And a shear fork type assembly is fixedly mounted above the base plate. Compared with a traditional device, by means of the pneumatic clamping function, an operator can easily clamp and release a workpiece, the operation convenience is improved, a flowmeter can be lifted and moved more conveniently, the operator can control the position of the flowmeter at any time, the operation flexibility is further improved, rapid and efficient carrying can be achieved, and the working efficiency is improved. The assembling efficiency is improved, automatic operation can be achieved through a pneumatic control mode, physical output of operators is greatly reduced through the automatic operation, and the working efficiency and the comfort degree are improved.

The application discloses a kind of mechanical arm multi-axis coordination's emulsion explosive finished product stacking and loading device, it is related to emulsion explosive finished product carrying technical field, including mechanical arm body, mechanical arm body is fixedly connected with adsorption carrier, dust adsorption mechanism is arranged on adsorption carrier, dust adsorption mechanism includes symmetrically arranged side plate, can remove dust attached to the adsorption hole of adsorption carrier after adsorption carrier adsorbs and carries emulsion explosive finished product box and stacks, so as to not only restore the smoothness of adsorption hole, and ensure that adsorption carrier can effectively adsorb and carry emulsion explosive finished product box in the carrying process, guarantee the security of emulsion explosive finished product box in the process of stacking, and avoid the situation that dust is accumulated in adsorption carrier inside occurs, so as to reduce the risk that adsorption carrier is influenced by dust and leads to internal mechanical failure and equipment damage, prolong the service life of adsorption carrier, reduce maintenance and replacement cost.

The utility model discloses a construction safety alarm, which relates to the technical field of safety construction and comprises a supporting bottom shell, a supporting base is fixedly mounted at the top of the supporting bottom shell, a telescopic column is fixedly mounted at the top of the supporting base, and a placement bottom plate is slidably mounted at the top of the telescopic column. And a liquid crystal display screen is fixedly mounted at the top of the placement bottom plate. Through mutual cooperation of the motor, the adjusting groove, the threaded rod, the threaded sleeve block, the cleaning brush, the supporting frame, the sliding groove, the sliding block and the connecting frame, the problem that a liquid crystal display screen on the alarm is usually arranged outdoors, the surface of the liquid crystal display screen is stained with a large amount of dust and sundries, and the watching effect of people on the liquid crystal display screen is poor is solved. According to the liquid crystal display screen, the function of convenient cleaning is achieved, dust and sundries attached to the surface of the liquid crystal display screen are effectively cleaned, manual cleaning is not needed, the watching effect of the liquid crystal display screen is improved, and information warning is better prompted for people.

The utility model discloses an electromagnetic valve automatic disc stacking mechanism which comprises a material disc feeding channel, a material disc discharging channel and a stacking carrying structure, the stacking carrying structure comprises a carrying robot and a carrying material channel, the two ends of the carrying material channel are connected with the material disc feeding channel and the material disc discharging channel respectively, and the carrying robot is installed on one side of the carrying material channel. The problems that the production stacking efficiency is low and the stacking quality is poor can be solved, the automation level and the intelligent level of a production line are improved, the stability and safety of qualified solenoid valves in the carrying and stacking process are guaranteed through accurate robot operation and an intelligent control system, and therefore the product quality is guaranteed.

The utility model discloses a protective mechanism for constructional engineering safety, relates to the field of constructional engineering protection, solves the problem that the existing device is difficult to carry out efficient folding and carrying and surrounding type protection on the mechanism according to requirements, and adopts the following scheme that the protective mechanism comprises two groups of upright post mechanisms and a warning tape between the upright post mechanisms; a main body of the stand column mechanism is a stand column cylinder, a base is assembled at the bottom of the stand column cylinder, a shaft column is fixedly installed in the center of the top face of the base, a warning tape is wound on the shaft column, and the top of the base is fixedly installed at the bottom of the stand column mechanism through a bearing ring. According to the protection mechanism for constructional engineering safety, through arrangement of the stand column mechanisms and assemblies on the inner sides of the stand column mechanisms, position adjustment in the transverse position can be achieved through the two stand column mechanisms and a warning tape between the two stand column mechanisms, so that surrounding type protection is conducted on a construction site from the outer side, and meanwhile a base on the inner side of the protection mechanism is conveniently rotated to wind and fold the warning tape; and the contraction effect is ensured, so that efficient carrying is facilitated.