55results about How to "Timely correction" patented technology

The invention discloses an integral embedded method for a group of anchor bolts. The method comprises the following steps: after assembled lower positioning plates are fixed on a steel bracket in a foundation trench, the lower ends of the embedded bolts are fixedly connected with the lower positioning plates, and upper positioning plates are correspondingly installed on the embedded anchor bolts; steel pipe cat anchors are arranged on the periphery of the foundation trench to adjust the axial line positions of the embedded bolts, concrete is poured into the foundation trench, and after the concrete pouring is accomplished, the axial line positions of the embedded anchor bolts are adjusted. By adopting the method, the bracket and the ring-shaped positioning steel plate can be processed in a plant in advance, few construction site and little operational sequence time are occupied, the on-site splicing can be accomplished by only a spanner tool, the operational sequence is simple, the conventional on-site splicing time is saved, not only the construction speed is greatly accelerated, simultaneously the installation precision is enhanced, the engineering embedded bolt detection indicates that the permissible accuracy error for the embedded bolt installation is above the requirement of the national regulation, and the qualification rate of the engineering large-scale embedded anchor bolt can be up to 100 percent.

The invention belongs to the technical field of automatic medical systems, in particular to a supervision and administration system of doctor advice execution. The system comprises two parts including a supervision platform and a supervision terminal, wherein the supervision platform is formed by the electrical information communication of a server and a memory; the server can classify original doctor advices into four types of doctor advice records after the server receives the original doctor advices, independently and correspondingly forms four corresponding types of prompt information, generates integrated prompt information after the four types of prompt information subjected to integration processing are combined with clock information, and sends the integrated prompt information to terminal equipment to be displayed; the memory is used for storing doctor advice information, four types of doctor advice records, four types of prompt information, the clock information, the integrated prompt information and execution information typed through the terminal equipment by the user, wherein the doctor advice information, the four types of doctor advice records, the four types of prompt information, the clock information and the integrated prompt information are formed in the server; and the terminal equipment can realize the retrieval query of the doctor advice information, the doctor advice record, the prompt information and the execution information and also can type in the execution information about a doctor advice execution situation so as to realize interactive supervision and administration. The system has the advantages of being scientific in design, reliable in principle, convenient in use and powerful in function.

The invention belongs to a vehicle-mounted road traffic automobile violation correcting device, which is based on technologies of modern communication, a computer network, GPS (Global Position System) positioning, video detection and recognition, micro electronic control, and the like. The device can be used for automatically amending regulated road traffic limit parameters and automatically recording automobile travelling states according to actual automobile travelling states, geographical sections, time zones, driver states, automobile passengers/cargoes, road environments and the like on the basis of a current automobile black box by means of high integration of an information system and monitoring equipment. The vehicle-mounted road traffic automobile violation correcting device provided by the invention is aimed at effectively managing and controlling three-exceed and one-fatigue, and is capable of realizing remote intervention, reminding, remote control, warning, regulation and control on the operation of a driver in the travelling process of an automobile and even forcing the automobile to pull over, Meanwhile, a GPS positioning system is used to notify a jurisdiction department of a automobile travelling road section and nearest police in real time in a mass texting and group calling manner so as to pre-dispose, timely correct violation of, intercept, timely investigate and timely capture illegal automobiles and drivers.

The invention belongs to a method of building construction, in particular to a suspending installation construction process method of a structural anchor bolt, which constructs according to process flows of the anchor bolt and a mould manufacture, pile foundation rebar installation, anchor bolt location, anchor bolt installation and fixing, end product protection and concrete pouring. The process of the suspending installation construction process method adopts 8# angle iron to manufacture high-precision special whole location and fixing clamps according to the design, holes are arranged on the angle iron according to diameter of the bolt and space in a construction drawing, and the inner diameter of the holes is 1mm larger than the outer diameter of the anchor bolt. A suspending steel girder is arranged, wholly fixed bolt groups are connected by using special clamps through the suspending girder by using the angle iron, plane location of the bolt is achieved by adjusting positions of the suspending girder, and elevation control of the girder elevation is achieved through a base plate. Accurate location of the anchor bolt is finally achieved through location monitoring and adjustment of the concrete before concreting, in a concreting process and after concreting. The suspending installation construction process method of the structural anchor bolt has fast installation speed, high installation quality, accurate position, less required equipment, simple operation process and the like.

The invention discloses an interactive English learning system and an interactive English learning method, belonging to the technical field of learning tools. A central processing system is connected with a keyboard input subsystem, a voice input subsystem and a sliding control circuit respectively in an electric input manner. The interactive English learning system and the interactive English learning method provided by the invention are reasonably configured; a modern scientific application technology is adopted and English language learning characteristics are synthesized, so that self-helping type English language learning can be realized; the interactive English learning system and the interactive English learning method have abundant functions and can be used for training students in the aspects of language, listening, reading and writing, grammar and the like; massive English learning videos can be downloaded and watched, and oral training can be pertinently done for the students; when the students cannot pronounce accurately, in-time correction and guidance can be provided, so that the learning interest of the students is improved; and the problems that a learning manner of only giving lessons by a teacher is only provided for the students, and problems cannot be solved in time are solved.

The invention relates to an equipment for teaching electrical engineering used in professional skill and technique training, especially relates to a system for setting fault of electronic control circuit of machine tool and checking and evaluating result of training. The system is composed of a checking and evaluating host and multiple connected terminals for providing training. The host is a PC and its built-in software. The terminal consists of checking and evaluating panel for training operation as well as lower end computer with response function. The invented system possesses multi-functions of setting fault, demonstrating, training, responding, monitoring and managing.

The invention discloses a method for relative distance control and adaptive correction between multiple agents. According to the method, the control of the relative distance between multiple agents can be ensured, the collision between multiple agents is avoided, and the system has high adaptation and robustness by using ESO. Further, a lateral correction algorithm based on adaptive detection point configuration is designed. The timeliness of the entire system can be improved by adaptively and dynamically setting segmentation detection points, and judging and adaptively adjusting the number ofdetection points in remaining routes according to a set threshold value. The consistency of the entire multi-agent system is ensured by correcting the distance of the offset trajectory at each detection point to make the followers of the entire multi-agent system to accurately follow the leader. The algorithm does not require complex communication protocols and higher real-time information processing capabilities.

The invention relates to an electronic detection device for detecting an over-travel value of a finished product relay, and the electronic detection device comprises a soleplate, a power unit for pressing the finished product relay to be detected and for triggering the relay to work, a detection unit for detecting and displaying the over-travel value and an in-out unit for pushing the finished product relay in and out. By adopting the electronic detection way, the electronic detection device is novel in design and reasonable in structure, has high detection efficiency and small detection error, can accurately reflect the over-travel value of the assembled finished product relay, and can timely debug and correct the disqualified finished product relay.

The invention discloses a full-automatic automobile instrument panel pointer cap head pressing system which comprises an instrument placement and transferring platform, an instrument current detection system, a pressure detection system and a pointer cap head press fitting system, wherein the instrument placement and transferring platform is used for horizontally fixing and horizontally moving an instrument panel, the instrument current detection system is used for detecting current values of an instrument in the power-on instant and normal power-on states, the pressure detection system is used for detecting pressure for press fitting of a pointer cap head in real time, and the pointer cap head press-fitting system is used for press fitting of the instrument pointer cap head. Reasonable process control is adopted, a belt conveyor belt controlled by a servo motor is additionally arranged in front of the automobile instrument panel pointer automatic press-fitting system and used for conveying an unprocessed instrument panel and a finished instrument panel, a six-axis industrial robot is installed in front of a station and used for automatic feeding and discharging of the instrument panels and a point cap body, a pointer cap head visual positioning system is added in the pointer cap head press-fitting system, precise recognition of the pointer cap head through the pointer cap head visual positioning system can be achieved, and the six-axis industrial robot is controlled to precisely position and place the cap head.

The invention provides an in-vehicle infotainment machine time calibration method, a calibration system, an in-vehicle infotainment machine and a vehicle. The in-vehicle infotainment machine time calibration method is applied to the in-vehicle infotainment machine of the vehicle, and comprises the steps of: acquiring the instrument time of a vehicle instrument within a time period from the start of the in-vehicle infotainment machine to the failure of cold start of a communication module and a positioning module of the vehicle, and updating current time of the in-vehicle infotainment machine according to the instrument time; when acquiring network time which is obtained by means of the communication module or the positioning module, calculating a time difference value between the current time and the network time, and comparing the time difference value with a preset threshold value; and updating the current time of the in-vehicle infotainment machine according to the network time if the time difference value is not less than the preset threshold value. The in-vehicle infotainment machine solves the problem that a local clock is inaccurate in time due to long-term operation or power failure of a vehicle battery, and effectively ensures that the error time of the in-vehicle infotainment machine can be corrected in time.

The invention discloses a characteristic self-learning device of a universal exhaust gas oxygen sensor. The characteristic self-learning device comprises an excess air coefficient calibration value storing module, a correcting condition judging module, a self-learning module and a self-learning starting condition judging module, wherein the input end of the self-learning module is electrically connected with the output end of the excess air coefficient calibration value storing module, the output end of the correcting condition judging module, the output end of the self-learning starting condition judging module and the output end of the universal exhaust gas oxygen sensor. When the characteristic self-learning device is used, the self-learning module is controlled by the self-learning starting condition judging module to be activated, a specific value factor of an excess air coefficient detection value to an excess air coefficient calibration value under the self-learning starting condition is obtained through calculation of the self-learning module first, and when the correcting condition judging module detects that the vehicle working condition meets the correcting condition, the self-learning module takes an excess air coefficient corresponding to a value obtained after an excess air coefficient signal value measured by the universal exhaust gas oxygen sensor under the working condition is divided by the factor as a corrected excess air coefficient. According to the device, in-time and effective correction on the excess air coefficient is achieved.

The invention relates to a laser galvanometer accuracy on-line correction system and method. The system comprises a control device, a workbench for placing a workpiece, a first imaging device, a lasergalvanometer and a second imaging device; the workbench comprises a loading workstation, a processing workstation and a detection workstation which are sequentially arranged; the first imaging deviceis arranged at the loading workstation; the laser galvanometer is arranged at the processing workstation; the second imaging device is arranged at the detecting workstation; and the control device iselectrically connected with the workbench, the first imaging device, the laser galvanometer and the second imaging device. By adopting the technical scheme of the invention, on-line correction of thelaser galvanometer can be realized, and the laser processing efficiency is greatly improved.

The embodiment of the invention discloses a speech synthesis playing method and device, and a storage medium. A user terminal can receive a speech synthesis request, and obtain a text to be synthesized that requires speech synthesis according to the speech synthesis request; then the text to be synthesized is sent to a speech synthesis server for speech synthesis to obtain a corresponding synthesized speech; then the synthesized speech is played and a pronunciation correction request for the synthesized speech is received; correction data corresponding to the synthesized speech is received according to the pronunciation correction request, and the correction data is sent to the speech synthesis server for updating the synthesized speech, so that the updated synthesized speech is obtained;and the currently played synthesized speech is replaced with the updated synthesized speech for playing. Compared with the related art, the invention can correct and update the played synthesized speech in real time during the process of playing the synthesized speech; therefore, even when the pronunciation prediction of a polyphonic character is wrong, the pronunciation can be corrected in time.

The invention discloses a parameter estimation and fitting method for collecting supporting point frequency in a vibrating wire mode. The method comprises the following steps that a stepping value is set, and collecting supporting points are measured to obtain a plurality of sets of frequency values; the frequency values obtained through measurement are calculated, and an average frequency value and a variance estimator are obtained; a frequency fitting function is constructed, the minimum value of a mean square error is calculated, and a fitting frequency functional equation is determined; a mean square error is calculated, a quadratic equation of the frequency fitting function is obtained through fitting, a correlation coefficient and mean absolute deviation are obtained through the quadratic equation of the frequency fitting function, and a frequency fitting curve is constructed; compared with the frequency fitting curve, whether errors exist in the frequency values of the collecting supporting points under the current stepping value or not is analyzed. The precision of fitting can be further improved, the fitting curve is generated, the frequency values can be corrected in time, and therefore the method can be used in the process of determining the parameters of the collecting supporting points of a communication network well.

The invention relates to a wall working face detection device for coke oven restoration work. The wall working face detection device comprises two upright columns, two lifting mechanisms, two traction mechanisms and an image acquisition mechanism, wherein the two upright columns, the two lifting mechanisms and the two traction mechanisms are arranged on a coke oven machine side and a coke side respectively; the image acquisition mechanism is drawn by the traction mechanisms to move horizontally between walls, the traction mechanisms are lifted by the lifting mechanisms, and the image acquisition mechanism is lifted to a new wall height for image acquisition. The invention further provides a wall working face detection method for the coke oven restoration work. The method is implemented by the wall working face detection device for the coke oven restoration work and adopts an image acquisition detection mode, acquired images or pictures can be transmitted back to a computer terminal through WiFi for viewing, shooting parameters, view angles and the like can be corrected timely, and follow-up examination and evaluation are facilitated. Two cameras of the image acquisition mechanism are oppositely arranged and can acquire images or pictures of two wall working surfaces simultaneously, so that the acquisition efficiency is increased.

The invention relates to a device for detecting the position of a sanding belt of a wide belt sanding machine through micro air flow and a control method. According to the device, the micro air flow is adopted for detecting whether the sanding belt of the wide belt sanding machine deviates. A branch of a compressed air conveying pipeline is communicated with the air inlet end of a reversing valve through a tee joint, and a branch of the compressed air conveying pipeline is communicated with the air inlet end of an air blowing pressure-regulating valve. The air outlet end of the air blowing pressure-regulating valve is communicated with the air inlet end of a small air hole of an air control insertion plate, the outlet of the air inlet end of the small air hole of the air control insertion plate blows air flow, the air flow is blasted into the air control insertion plate, and a large air hole opposite to the small air hole receives the air flow. The air outlet end of the large air hole is communicated with the air inlet end of an air pressure amplifier through an air channel. The air flow is in switching cooperation with the control end of a reversing valve through a centre in the air pressure amplifier, and the two air outlet ends of the reversing valve are respectively communicated with the air inlet end of an oscillating cylinder. The device and control method have the advantage that the problem that due to the fact that a photoelectric detection head is polluted in the background technology, the disorderly closedown phenomenon of the sanding machine occurs frequently is solved fundamentally.

The invention discloses a payment method and device and relates to the fields of information technologies, internet, trade, finance, payment and safety, in particular to a confirmation and management method and device for digital payment and mobile payment. A user can obtain accurate voice warning through an auditory sense checking and confirmation link when performing digital payment and mobile payment, auditory sense checking and memo management functions are added, transaction errors can be more timely found and corrected, the payment error rate is remarkably reduced, transaction risk and user loss are prevented, benefit is brought to vast populations, and convenient payment and transaction safety guarantee are provided.

The invention relates to a solar photovoltaic full-automatic laminating process for rapid lamination, which comprises the following assembling steps: S1, a cell feeding device pushes a cell; S2, a suction manipulator sucks the cell for pre-laminating and positioning; S3, the suction manipulator sucks the cell and puts the cell on a laminating platform; S4, a diaphragm roll carries out primary diaphragm compression on the cell; S5, the diaphragm roll carries out secondary diaphragm compression on the cell; S6, the cell and the diaphragm are tightly compressed; S7, the diaphragm roll carries outthermal cutting; S8, the diaphragm roll carries out deviation rectification and tensioning; S9, the cell is rotated and moved, and the diaphragm on the cell is tightly compressed; S10, the cell is tightly compressed, rotated and clamped; and S11, the cell is clamped, moved, discharged and jacked. According to the invention, the photovoltaic cell is laminated into a finished product according to the set order of installation, realizes the automatic assembly of the diaphragm on the photovoltaic cell and has good market application value.

The invention discloses an instant messaging method based on a work task. The method comprises decomposing the work task according to an object file and creating a task decomposition table; creating an instant messaging group of the task according to the task decomposition table; according to the planned completion time and completion percentage of the task, closing the publishing function of theinstant messaging group of the task. The method realizes the combination of instant messaging group and the work task, publishes group messages in a targeted manner, purifies the group messages and improves the work efficiency. The method can adjust the task decomposition table according to a situation, creates the instant messaging group reasonably and effectively according to the adjusted task decomposition table. The instant messaging group is created and closed according to the life cycle of a work task rating table, which is beneficial to timely discovery of task deviations, timely response and timely deviation correction to avoid losses.

The invention discloses a large-deviation-rectifying-force pile holding machine and an operation process thereof. The machine comprises a ship deck, double H-shaped steel rails, an upper platform, round stand columns, a stand column assembly, a pull cable, left pile claw arms, right pile claw arms, a pile claw tail oil cylinder, middle contacts, a stand column stretching-out box body, a locking device, end contacts, end plug pin mechanisms and tail positioning contacts. The double H-shaped steel rails are fixedly mounted on the upper surface of the ship deck; the upper platform is fixedly mounted at the top ends of the double-H-shaped steel rails; two round stand columns and the stand column assembly are fixedly installed on the upper surface of the upper platform; the number of the left pile claw arms and the number of the right pile claw arms are both two; the middle contacts, the end contacts and the tail positioning contacts are mounted on the inner sides of the left pile claw armsand the right pile claw arms; and one end, away from the connecting round stand column, of the stand column stretching-out box body is flexibly connected with a locking device, and one end, away fromthe connected round stand column, of each left pile claw arm is equipped with the end plug pin mechanism. According to the invention, the structure and the operation process are reasonable, deviationrectification can be conducted in time, the working efficiency is greatly improved, the applicability is high, and the overall service life is greatly prolonged.

The invention discloses a galvanized strip steel conveying deviation rectifying device, and relates to the technical field of strip steel hot galvanizing production and processing. The galvanized strip steel conveying deviation rectifying device comprises a working plate and a hanging ring fixed on the upper surface of the working plate, wherein the working plate is further provided with a locking assembly used for locking the position of the working plate, and the working plate is provided with a feeding assembly used for receiving and rectifying the position of strip steel; the feeding assembly comprises a feeding plate arranged on the upper surface of the working plate in a lifting mode, two mounting plates are movably arranged under the feeding plate, and a bearing roller is rotationally arranged between the two mounting plates; each mounting plate is provided with a lifting rod with one end penetrating through the mounting plate, one end of a guide plate is arranged at the other ends of the lifting rods in a penetrating manner, the other end of the guide plate is rotationally arranged on the lower surface of the feeding plate, and a pressing roller is elastically arranged on the lower surface of the guide plate; and a sensing assembly used for sensing the position of the strip steel is further arranged on the feeding plate. The galvanized strip steel conveying deviation rectifying device has the characteristic that the strip steel in transportation can be limited and rectified, so that the stable transportation of the strip steel is ensured.

The invention relates to a method and system for realizing railway vehicle positioning verification. The method comprises the following steps: obtaining a triggering signal transmitted by a photoelectric sensor, carrying out contrastive analysis on the position of the photoelectric sensor transmitting the triggering signal and a planned driving scheme, and obtaining a control strategy; and sendingthe control strategy to a vehicle controller, so that the actual driving position of the vehicle is consistent with the planned driving position in the driving scheme. According to the invention, thevehicle is positioned in real time according to the triggering signal sent by the photoelectric sensor and then, the position is compared with the planned driving position, so that the purpose of verifying the actual position of the vehicle is achieved; and the actual driving speed of the vehicle is adjusted according to the control strategy, so that the actual driving position of the vehicle isconsistent with the planned driving position, and the purpose of correcting the actual driving position of the vehicle is achieved.

The invention discloses a flexographic printing machine high-quality printing method capable of controlling printing quality. The flexographic printing machine high-quality printing method comprises the following steps that 1, a dot reproduction monitoring icon and an overprinting monitoring icon are designed, and typesetting is carried out; 2, flexible printing plates of all colors are manufactured, each color of flexible printing plate comprises images and texts needing to be printed and further comprises the dot reproduction monitoring icon and the overprinting monitoring icon; 3, the flexible printing plates of all the colors are installed on plate cylinders of corresponding printing units; 4, the smoothness of the paper is detected; 5, pre-printing is carried out; and 6, after preprinting is judged to be qualified, normal printing is conducted, the printing speed is 220m/min, the interval in the printing process is 30 minutes, and the step 5 is repeated; The digital detection standard is achieved, compared with naked eye judgment of workers, the method is more accurate and reliable, the printing quality problem in the printing process can be rapidly and accurately recognized, correction is conducted in time, and printing accidents caused by the fact that printing flows into the next link are prevented.

The invention discloses a guarantee control device of multiple unmanned aerial vehicles in a competition at complex terrain, and a use method thereof, and belongs to the technical field of the unmanned aerial vehicle. The guarantee control device of multiple unmanned aerial vehicles in the competition at complex terrain comprises a central control unmanned aerial vehicle, an organ type execution unmanned aerial vehicle and a ground control device; an upper end of the central control unmanned aerial vehicle is rotatably connected with four expanded flight rotor wings which are arranged uniformly; a lower end of the central control unmanned aerial vehicle is fixedly connected with two parallel extended undercarriages; the lower end of the central control unmanned aerial vehicle is fixedly connected with a core local area network communication device, the upper end of the central control unmanned aerial vehicle is fixedly connected with a core mobile communication device; the upper end ofthe organ type execution unmanned aerial vehicle is rotatably connected with four core local network communication devices which are arranged uniformly, thereby improving the stability of the information communication of the control device and the multiple unmanned aerial vehicles, and enhancing the flight control on multiple unmanned aerial vehicles in the competition at the complex terrain by the control device.

The embodiment of the invention discloses a method and a device for detecting a green screen image, and the method comprises the steps: obtaining a to-be-processed target image in a currently played target video, and dividing the target image into a specified number of sub-blocks, wherein pixel points in the target image are represented by a first component, a second component and a third component; respectively determining a first component value, a second component value and a third component value with highest distribution in the sub-blocks, and respectively calculating distribution proportions of the first component value, the second component value and the third component value in the sub-blocks; based on the first component value, the second component value and the third component value, judging whether the sub-block is a green screen sub-block or not; and counting the total number of the green screen sub-blocks in the target image, and if the total number is smaller than or equal to a specified threshold, judging that the target image is not a green screen image. According to the technical scheme provided by the invention, the detection efficiency of the green screen image can be improved.

The invention discloses an online learning system with an anti-indulgence function. The system comprises multiple terminals with display interfaces, and is characterized in that each terminal comprises a user registration module, an uploading module, a downloading module, an anti-indulgence module, an expression identification module, a voice acquisition and identification module, a storage module, a scoring module and a curriculum synchronization module. The online learning system has the following advantages: the purpose of monitoring is realized by determining whether a learner is at a learning state according to the facial expression of the learner, besides, whether pronunciation of the learner is accurate can also be determined according to the change of a mouth shape of the learner through combination with voice identification, timely correction and guidance are realized, errors of the leaner can also be fed back to the learner so that the learner can correct the errors, and synchronous learning can also be carried out according to the different terminals.

The invention discloses cutting equipment and a cutting process of a bearing ring, and relates to the technical field of bearing ring machining equipment. The cutting equipment specifically comprisesa base, a lifting mechanism, a linear cutting mechanism, a clamping mechanism, a supporting mechanism and a bearing ring reinforcing mechanism, wherein an air vertical plate is welded to an upper portion of an end face of the base, and the lifting mechanism is slidably mounted on a rear side vertical plate; the linear cutting mechanism is arranged on a front side vertical plate, a sliding seat isinstalled above a surface of the base in a sliding mode, the clamping mechanism is vertically arranged above the sliding seat, the supporting mechanism is horizontally welded to a side wall of the sliding seat, and the bearing ring reinforcing mechanism is installed above the sliding seat. According to the cutting equipment and cutting process of the bearing ring disclosed by the invention, through the arrangement of the lifting mechanism, a stable supporting effect is provided for the bearing ring while the bearing ring is subjected to cutting machining, so that the bearing ring is not proneto shaking or vibrating, and the machining efficiency is improved.

The invention is suitable for the technical field of power data processing, and provides a power system database data exception monitoring method and device and electronic equipment, wherein the method comprises the steps of obtaining a to-be-monitored data table in a data table of a power system and a source business system database corresponding to the to-be-monitored data table; determining a business relationship of the to-be-monitored data table according to a source business system database corresponding to the to-be-monitored data table; and according to a preset monitoring condition corresponding to the service relationship with the to-be-monitored data table, monitoring each piece of data in the to-be-monitored data table, and when it is monitored that a certain piece of data in the to-be-monitored data table is abnormal, sending an abnormality prompt message indicating that the piece of data is abnormal to the terminal equipment. According to the invention, the to-be-monitored data table is monitored based on the business relationship of the to-be-monitored data table, the abnormal monitoring result can be obtained in time, and alarm and correction can be carried out based on the abnormal monitoring result, so that the accuracy of the data in the data table in the data-in-station is improved.

The invention provides a spiral conical supporting roller belt type conveyor anti-deviation device. The spiral conical supporting roller belt type conveyor anti-deviation device comprises a conveying belt, a supporting roller assembly, a supporting roller supporting device, a connecting rod mechanism and a detection device, wherein the supporting roller assembly adopts a mode that spiral conical supporting rollers are arranged on the two sides of a cylindrical supporting roller, the supporting roller supporting device comprises fixed support seats, spiral conical supporting roller reversing frames and the connecting rod mechanism, the spiral conical supporting rollers and the cylindrical supporting roller are installed on respective rotating shafts, the two reversing frames realize synchronous rotating through the connecting rod mechanism, when the conveying belt deviates, the friction force of the deviated side is larger than that of the other side, due to the fact that the spiral angle and the diameters of the two ends of the conical supporting rollers are different, the spiral conical supporting roller on the deviated side will generate force rotating along the rotating shaft of the corresponding spiral conical supporting roller, the other supporting roller is driven by the connecting rod mechanism to rotate at the same time, lateral force forcing the conveying belt to return is generated, deviation is prevented in time, and the detection device is installed on the two sides of the conveying belt through approach switches and is used for detecting the deviation position of the conveying belt.

The invention provides a steel bar correction device for a prefabricated column of a prefabricated building, and belongs to the technical field of machinery. The steel bar correction device solves theproblem of poor stability in the prior art. The steel bar correction device for the prefabricated column of the prefabricated building comprises a bottom plate, a correction plate and a connecting rod, wherein the lower end of the connecting rod is connected to the bottom plate; the upper end of the connecting rod is connected to the correction plate; a plurality of through correction holes are formed in the bottom plate close to the edge of the bottom plate; the correction plate is made of a transparent material and is provided with a plurality of correction marks; and the correction marks and the correction holes are arranged in a one-to-one correspondence mode. The steel bar correction device for the prefabricated column of the prefabricated building is high in stability.