28results about How to "Correct deviation" patented technology

The invention relates to a pole piece deviation rectification control method and a pole piece deviation rectification control system. The pole piece deviation rectification control method comprises the following steps: winding a cathode piece, a diaphragm and an anode piece by using a winding machine; detecting the OH value between the large film width layer of the cathode plate and the anode plate by using a first visual detection module; and if the OH value detected by the first visual detection module is not within the preset range value, the cathode plate and / or the anode plate are / is corrected. Therefore, on one hand, the OH value between the large film width layer of the cathode plate and the anode plate is detected to be closer to the actual OH value between the cathode plate and the anode plate; and on the other hand, the interference of a small film width layer on the cathode plate on the detection value of the first visual detection module is eliminated, and the OH value detected by the first visual detection module is ensured to be more accurate, so that the correction of the cathode plate and the anode plate is more accurate, and the OH value precision of the battery cell formed by winding is ensured to meet the design requirement. And the product yield is greatly improved.

The invention discloses a map trajectory optimization method and device, computer equipment and a storage medium, and belongs to the technical field of artificial intelligence. The method comprises the following steps: firstly, respectively drawing a real-time trajectory diagram and a historical trajectory diagram by acquiring real-time positioning data and historical trajectory data of a user; and then, classifying the positioning points in the real-time trajectory diagram, and identifying abnormal positioning points by using an abnormal point detection algorithm. Then, carrying out region division on the real-time trajectory diagram, and respectively calculating the density and type distribution of positioning points in each region; and based on the features, a pre-trained data quality evaluation model is used to evaluate the data quality grade of each track area. And finally, according to the data quality grade, configuring a track deviation rectification weight, and carrying out deviation rectification processing on the real-time track diagram. The invention also relates to the technical field of block chains, and the positioning data is stored in a block chain network. According to the method, the accuracy of track drawing is improved, and the problem that the user track is not accurate enough due to positioning deviation is solved.

The invention belongs to the field of circular pipe belt conveyors, and particularly relates to a deviation rectifying device and system for a circular pipe belt conveyor. The deviation rectifying device for the circular pipe belt conveyor comprises a deviation rectifying assembly acting on a pipe truss of the circular pipe belt conveyor. Wherein the multiple sets of deviation rectifying assemblies form a hydraulic deviation rectifying channel, a conveying belt curled into a round pipe passes through the channel, each deviation rectifying assembly can independently move, deviation rectifying force is provided in the circumferential direction of the round pipe, the deviation rectifying capacity of each deviation rectifying carrier roller is fully exerted, the multiple deviation rectifying carrier rollers can act at the same time, and the deviation rectifying effect is effectively improved.

The utility model discloses a sounding unit, including basin stand, magnetic circuit system, conducting centering disk and a plurality of voice coil, magnetic circuit system is connected basin stand, magnetic circuit system includes yoke, and the central magnetic subassembly and first side magnetic structure that are respectively provided on yoke, central magnetic subassembly is located between at least one group of two oppositely arranged first side magnetic structure, the central magnetic assembly comprises a plurality of central magnetic structures which are arranged side by side, the yoke is provided with a window, two opposite side edges of the window are respectively connected with flanges, and the flanges are provided with openings; the voice coils and the central magnetic structures are arranged in a one-to-one correspondence manner, and partial areas of the voice coils are located between the central magnetic structures and the flanges; the conduction centering disk comprises an inner mounting part, a cantilever part and an outer mounting part which are connected in sequence, a partial area of the cantilever part corresponds to the window and is located between the two flanges, one end of the inner mounting part penetrates through the opening and is fixedly connected with the voice coil, and the outer mounting part is connected with the basin stand. The sound production unit has high performance.

The patent relates to the technical field of tobacco, and particularly relates to a conveying system for a paper-process sheet drying oven and the paper-process sheet drying oven. The conveying system comprises a conveying device, a first deviation rectifying device and a second deviation rectifying device. The first deviation rectifying device and the second deviation rectifying device are both used to provide displacement in a deviation rectifying direction to the conveying belt, the deviation rectifying direction is perpendicular to the length direction of the conveying belt, the distance between the first deviation rectifying device and the end driving roller is not greater than 10%, 20% or 25% of the length direction size of the transmission assembly, and the second deviation rectifying device is arranged substantially symmetrically to the middle line of the transmission assembly in the length direction of the first deviation rectifying device. The patent can better solve the deviation problem of the conveying belt, save labor cost, improve production efficiency and reduce the labor intensity of the operator. The deviation rectifying frequency of the first deviation rectifying device and the second deviation rectifying device is lower during the working process, and the first deviation rectifying device and the second deviation rectifying device are more suitable for deviation rectifying of long-distance belt conveying systems and have a longer service life.

The present invention discloses an inflatable bag structure and construction method for correcting the displacement of an operating subway tunnel, including an inflatable bag, a central tie rod and a telescopic frame arranged around the central tie rod are arranged inside the inflatable bag, a conical cap tip fixedly connected to the central tie rod is arranged on the top, and a sealing plug is connected to the bottom, and a hole is reserved in the center of the sealing plug for the central tie rod, an inflatable pipe and a soil delivery pipe to extend into, the inflatable pipe is supplied with air by an inflating device, and the soil delivery pipe is supplied with filling soil by the soil delivery device. The method of using an inflatable bag for inflating and extruding correction can minimize the impact on the surroundings to the greatest extent, avoiding the great impact on the surrounding environment in the traditional sleeve valve pipe grouting, which may cause unnecessary deformation of other adjacent pipelines or structures. It is suitable for local tunnel displacement correction in underground spaces with dense pipelines.

The utility model discloses an optical transparent film roll material deviation rectifying and guiding device, and belongs to the technical field of roll material processing and production. The optical transparent adhesive roll material deviation rectifying and guiding device comprises a winding machine, a bottom plate is connected to one side of the winding machine, a deviation rectifying mechanism is arranged on the top face of the bottom plate, the deviation rectifying mechanism comprises a base, the base is installed on the top face of the bottom plate, a sliding groove is formed in the top face of the base, a sliding block is slidably connected to the interior of the sliding groove, and the sliding block is connected to the bottom face of the bottom plate. One side of the sliding block is in threaded connection with a lead screw, the two ends of the lead screw are rotationally connected to the inner walls of the sliding grooves correspondingly, a motor is installed on one side of the outer wall of the base, the output end of the motor is in transmission connection with one end of the lead screw, and a guide assembly is arranged on the top face of the sliding block; detection mechanisms are arranged on the two sides, away from the guide assembly, of the winding machine correspondingly, the guide assembly comprises a U-shaped base, and the U-shaped base is installed on the top face of the sliding block.

This invention relates to the field of textile processing technology, specifically to an easily adjustable dyeing and rolling machine, comprising a dyeing vat body and two tensioning parts. The two tensioning parts are respectively located on the outside of the inlet and the outside of the outlet of the dyeing vat body. Each tensioning part includes a drive roller assembly, a tensioning seat, and an adjusting part. A connecting seat is provided on the outside of the dyeing vat body, and the tensioning seat is slidably connected to the connecting seat. The tensioning seat is located between the drive roller assembly and the dyeing vat body. The adjusting part is connected to the side of the tensioning seat adjacent to the drive roller assembly. The fabric is tensioned by the two tensioning parts, facilitating efficient dyeing of the fabric inside the dyeing vat body. The efficient tensioning of the fabric by the adjusting part also facilitates adjustment of the fabric's folds, wrinkles, etc., ensuring efficient dyeing and rolling of the fabric and improving the dyeing and rolling effect.

The utility model provides a kind of blanket automatic separation and deviation correction's subassembly, install in printing machine, it is related to printing equipment technical field, including the separation mechanism and deviation correction mechanism between the left end plate and right end plate of printing machine, separation mechanism is located above deviation correction mechanism, main motor is installed by fixed frame outside left end plate, the rotating shaft sleeve of main motor is equipped with main gear, main gear is connected with main transmission gear by main chain transmission, main transmission gear inner wall transmission connection has main shaft, main shaft rotatably be arranged between left end plate and right end plate;Main gear, main chain, main transmission gear and main shaft are rotated by main motor drive, main shaft, deviation correction mechanism and separation mechanism are all connected with blanket rolling, realize the rolling conveying of blanket, automatic deviation correction and automatic separation from main shaft, to improve the efficiency and precision of blanket processing, ensure printing quality, reduce manual operation intensity.

The present application belongs to the field of round pipe belt conveyors, and particularly relates to a round pipe belt conveyor deviation rectifying device and a deviation rectifying system. The round pipe belt conveyor deviation rectifying device comprises deviation rectifying components acting on a pipe truss of the round pipe belt conveyor. Multiple sets of the deviation rectifying components form a hydraulic deviation rectifying channel, a conveying belt wound into a round pipe passes through the channel, each deviation rectifying component can independently move, and a "deviation rectifying force" is provided in the circumferential direction of the round pipe, so that the deviation rectifying capacity of each deviation rectifying roller is fully utilized, and multiple deviation rectifying rollers can simultaneously move, so that the deviation rectifying effect is effectively improved.

The utility model relates to silicon wafer transmission technical field, concretely relates to a silicon wafer horizontal conveying mechanism. The mechanism includes frame and the conveying roller set on it, and the conveying roller is divided into the carrier roller below and the press roll above, is equipped with the support seat of installation carrier roller and the first mounting bracket of installation press roll on the frame, and the carrier roller is located between two press rolls. Every conveying roller is equipped with several conveying channels, and every conveying channel both sides are equipped with the guide limiting ring, and the lower side is equipped with several evenly distributed support rings, and the guide limiting ring diameter is longer than the support ring. The conveying roller includes the transmission gear of central shaft and end portion, and the support ring and guide limiting ring are all set on the central shaft, and the conveying channel inlet end below is equipped with the rectification mechanism. The mechanism is through the guide limiting ring transverse limiting, the stable support of support ring, cooperates the rectification mechanism, improves the silicon wafer transmission precision, stability and adaptability, reduces the damage rate, and is applicable to high-precision silicon wafer production.

The invention relates to the field of LCD panel display automatic deviation correction, and discloses a local information backtracking-based two-dimensional rigid body universal deviation correction method and terminal equipment, which can be suitable for a multi-camera automatic system needing to quickly approach a clear target in a visual field, and the deviation correction method comprises the following steps: obtaining all types of template images under the visual field of each camera; then, according to the visual calibration matrix and an information backtracking algorithm, the movement amount of the platform is rapidly calculated on the premise that the rotation center of the platform does not need to be calculated, and accurate deviation correction is achieved; the motion distance of the platform can be adjusted in real time according to the image in the visual field of the camera, proper exposure time can be kept under the condition that the contrast ratio of the selected target and the background part is large, the underexposure or overexposure phenomenon is avoided, the motion platform moves rapidly, and then the center of the target approaches the center of the template image; and the high-precision alignment efficiency and stability of the equipment are improved.

This invention discloses an equipment and method for processing plastic bags for supermarkets. A raw material unwinding and feeding mechanism is located on the outside of the processing frame and outside the processing box, used for automatic unwinding, guiding and correcting deviations, flattening and wrinkle removal, and stable traction feeding of rolled plastic bags. A middle transition conveyor assembly is located in the middle of the frame, between the guiding mechanism and the cutting conveyor assembly, with its front and rear ends connected to the guiding mechanism and the cutting conveyor assembly respectively, and fixedly connected to the frame, used for the transition conveying of rolled plastic bag materials. A cutting section drive assembly is located on the machine frame and used to drive the movement of the cutting conveyor mechanism. This invention features a conveyor belt that does not sag during long-term operation, smooth and stable film conveying, reduced blade wear speed, flexible adjustment of the cutting position, and adaptability to the processing needs of plastic bags with different film widths and sizes. The equipment has greater versatility, reduces manual intervention, and significantly improves production efficiency.

This utility model discloses a material feeding mechanism for injection molding of metal insert components, including an injection molding machine, a frame disposed beside the injection molding machine, a conveying device disposed at the bottom of the frame, and a robotic arm disposed beside the injection molding machine for clamping the workpiece. The material feeding mechanism for injection molding also includes a correction mechanism and an auxiliary abutment mechanism. The correction mechanism is disposed at the top of the frame and includes a mounting frame, a rotating part, and a clamping part. The mounting frame is disposed at the top of the frame. The rotating part is rotatably disposed at the bottom of the mounting frame and is located at the top of the conveying device. The clamping part is disposed at the bottom of the rotating part and is used to clamp the misaligned metal part. The auxiliary abutment mechanism is disposed at the top of the frame. This device solves the problem that the misalignment of the metal part during conveying causes the robotic arm to need to adjust its position and delay the injection molding process, achieving the effect of quickly and accurately correcting the position of the metal part and ensuring the efficient operation of the injection molding process.

The utility model discloses a deviation rectifying mechanism for mechanical manufacturing, and relates to the technical field of mechanical manufacturing. The deviation rectifying mechanism for mechanical manufacturing comprises an unwinding unit and an adjusting unit, the adjusting unit is located on the right side of the unwinding unit, the adjusting unit comprises two sets of side plates, a hydraulic rod and an adjusting rod, groove holes are formed in the side plates, and one set of groove holes of the side plates are connected with a fixing rod. According to the deviation rectifying mechanism for mechanical manufacturing, by arranging an adjusting motor and an adjusting screw in the unwinding unit, the height of a coiled material can be conveniently adjusted, the tension of the coiled material in the conveying process is changed by adjusting the height of the coiled material, and deviation rectifying can be rapidly and accurately conducted on the coiled material through cooperation of a hydraulic rod and an adjusting rod which are arranged in the adjusting unit; the sensor is arranged on the adjusting rod to monitor the deviation condition of the coiled material in real time, the hydraulic rod conducts accurate adjustment according to signals of the sensor, the deviation correction accuracy of the coiled material is guaranteed, and the machining quality and the production efficiency of mechanical manufacturing are improved.

This utility model relates to an automatic sandblasting device for a sandblasting machine, comprising a housing and a working platform, with a frame mounted on the working platform. Multiple sandblasting components are mounted on the frame, which also has a feeding channel. Each sandblasting component includes a first air blowing component and a second air blowing component, sequentially arranged on the frame along the conveyor belt's running direction. The first air blowing component includes a first fixed nozzle plate and multiple first universal adjustable nozzles. The second air blowing component includes a pneumatic motor fixed to the frame, a second fixed nozzle plate fixed to the output end of the pneumatic motor, and multiple second universal adjustable nozzles mounted on the second fixed nozzle plate and capable of omnidirectional rotation. Each first universal adjustable nozzle blasts the blind holes of each product in the feeding tray of the feeding channel, while each second universal adjustable nozzle blasts the surface of each product through the pneumatic motor driving the second fixed nozzle plate. This utility model features an ingenious structure and is convenient and practical.

The utility model discloses a deviation adjusting device is used to belt deviation, including bottom support steel pipe and fixed bottom plate still includes swing subassembly and positioning subassembly, and the end portion fixed mounting of support cover has ball bearing, and the rotatory connection of two ball bearings has rubber roll, and the surface fixed mounting of support cover has fixed frame, and the end portion rotatory connection of fixed frame has side roll, and the rotatory connection of rotating shaft and inner bearing, and positioning subassembly includes locating ring and chuck, and positioning subassembly sets up one side at rubber roll, when the belt deviation, upwardly pulls and lifts rotating arm, makes chuck separate from locating ring, according to the deviation direction of belt transverse pull rotating arm, makes side roll position change, and the edge of belt will contact side roll, and the friction between belt and vertical roll generates, and the axis of this deviation adjusting device no longer is perpendicular with the belt operation direction at this time, and forms a small angle, and the transverse component force that points to the center will push belt to the center direction movement to correct the deviation.

The utility model relates to the technical field of mining conveying, and discloses a mining conveyor belt deviation rectifying device which comprises a deviation rectifying frame, a deviation rectifying assembly and a cleaning assembly, fixing plates are installed on the two sides of the bottom of the deviation rectifying frame through bolts and fixed to supporting legs in a matched mode to provide stable supporting for the whole, and a driving roller is rotationally installed in the center of the top of the deviation rectifying frame. When the belt deviates and touches the deviation rectifying assembly, the electric push rod is started, the output shaft of the electric push rod pushes and drives the deviation rectifying shaft, the deviation rectifying plate is made to change the angle around the rotating support by means of the rotating hinge bait, the deviation rectifying wheel is driven to apply lateral force to the belt, and precise deviation rectifying is achieved. The cleaning scraping plate is matched with a connecting block of the cleaning adjusting piece in an inserted mode through a rotating cylinder, an adjusting column of the cleaning adjusting piece is matched with an angle identification groove in an angle identification block, the contact angle between the cleaning scraping plate and the belt can be flexibly adjusted, impurities on the belt are effectively removed, and the normal operation and deviation rectifying effect of the belt are guaranteed; and the operation stability of the mining conveyor is improved.

This utility model relates to the field of high-speed wire rod rolling technology, specifically disclosing a high-speed wire rod uncoiling correction device, including a first section of densely packed roller conveyor and an air-cooled roller conveyor; the first section of densely packed roller conveyor includes a first section roller conveyor frame, a correction roller group one and a correction roller group two, which are rotatably installed in the first section roller conveyor frame, and the drive ends of the correction roller group one and the correction roller group two are respectively connected to a reduction motor one; the air-cooled roller conveyor includes an air-cooling frame, an air-cooling roller group one and an air-cooling roller group two, which are rotatably installed in the air-cooling frame, and the drive ends of the air-cooling roller group one and the air-cooling roller group two are respectively connected to a reduction motor two. Through the two independently operating correction roller groups, the speed on both sides of the uncoiling can be independently adjusted, and the uncoiling is adjusted to the center of the roller conveyor by the speed difference on both sides. The operation is simple and easy to maintain.

The utility model relates to the technical field of printing, and discloses a printing paper deviation rectifying device which comprises a bottom frame and a plurality of supporting legs fixedly connected to the outer side wall of the bottom frame, a shaft seat is fixedly connected to the outer wall of the middle section of the top of the bottom frame, and a rotating shaft is rotationally connected to the inner wall of the shaft seat; according to the automatic deviation correcting device, the deviation correcting sensor, the control unit and the driving mechanism are matched with one another, the stretching amount of an electric push rod in the driving mechanism is controlled, and then the movable frame is driven to be horizontally adjusted by a certain angle; according to the deviation rectifying device, the deviation rectifying roller conducts deviation rectifying operation on the paper, rapid and accurate deviation rectifying on the printing paper is achieved, the printing efficiency is improved, and the printing quality is guaranteed.

The invention relates to the technical field of drilling processing, and discloses photovoltaic frame drilling equipment which comprises a base and a supporting plate arranged on the base, and further comprises a mounting plate vertically arranged on the supporting plate in a sliding mode, and a drilling device arranged on the mounting plate, the displacement shell is fixed to the end, away from the supporting plate, of the mounting plate. The drilling motor is fixed above the displacement shell; the transmission shaft is fixed on the drilling motor; the four N-pole permanent magnets and the four S-pole permanent magnets establish a strong constant magnetic field in the surrounding space of the flying disc, and when the drill bit, the drill chuck, the transmission shaft, the deviation rectifying bearing and the flying disc incline, the inclined flying disc cuts magnetic induction lines in the magnetic field in the rotating process, so that the eddy current effect is generated in the flying disc, and the flying disc is driven to rotate. The eddy current effect can generate reverse damping force on the frisbee, and the reverse damping force directly acts on the frisbee and is transmitted to the transmission shaft through the deviation correcting bearing, so that the inclination state of the transmission shaft, the drill chuck and the drill bit is corrected, and hole position deviation caused by continuous inclination of the drill bit in the punching process is effectively avoided.

[Problem to be solved] An object of the present invention is to provide a Raman-infrared spectroscopy analysis combination device that can adjust an optical axis center of a microscope optical system with respect to a sample even if a Raman light detection system and an infrared light detection system are continuously switched. [Solution] A Raman-infrared spectroscopy analysis combination device including: a light source; a plate for fixing a sample; a stage on which the plate is placed; an objective optical element for obtaining Raman light; an objective optical element for obtaining reflected infrared light; a Raman light detection system; and an infrared light detection system, the Raman-infrared spectroscopy analysis combination device further including: a driving unit for adjusting a positional relationship between a position of the plate and the objective optical elements; a switching unit that switches between the Raman light detection system and the infrared light detection system; and a control unit for controlling the driving unit, the switching unit and the optical imaging elements, wherein at least one of the plate and the stage is provided with a marker for adjusting the positional relationship, and wherein the control unit controls the driving unit so as to adjust the positional relationship between the position of the plate and the objective optical elements based on a position of the marker.

The invention discloses a mini-type solvent-free compound machine which comprises a rack, a first unwinding unit, a second unwinding unit, a coating unit, a compound unit and a winding unit, and is characterized in that the compound unit is arranged at the rear upper part of the coating unit in the middle of the rack and is close to the coating unit, so that the distance from coating to compounding of a strip material discharged by the first unwinding unit is short, and the distance from coating to compounding of the strip material is short; and the compounding unit comprises a compounding rubber roller arranged above the rear part of the coating rubber roller and a compounding steel roller arranged above the compounding rubber roller, and the transverse distance L between the center connecting line of the coating steel roller and the center connecting line of the compounding steel roller is set to be 120-150mm. All the mechanisms are arranged on a pair of wallboards, the structure is compact, layout is reasonable, the occupied area is small, cost is low, operation is convenient, and waste of strip materials is small; the compounding mechanism is arranged in the middle of the wall plate, so that the coating unit and the compounding unit are very close to each other, the coating unit and the compounding unit can be immediately compounded after coating, the material belt tension balance is good, the compounding effect is good, and the compounding quality is stable.

The utility model relates to an automatic guide plate adjusting device for a roller way, and relates to the technical field of roller way transportation, the automatic guide plate adjusting device comprises a guide plate arranged in the direction of the input end of a roller way roller, a jacking mechanism is arranged below the guide plate, the jacking mechanism comprises a first connecting rod, a second connecting rod, an L-shaped connecting rod, a connecting rod support, a third connecting rod, a sliding rail and a sliding block, and the sliding rail is arranged on the ground; the sliding block is slidably connected to the sliding rail, one end of the first connecting rod and one end of the second connecting rod are jointly hinged to the sliding block, the connecting rod support is connected to the roller way, the center of the L-shaped connecting rod is hinged to the connecting rod support, one end of the L-shaped connecting rod is hinged to the end of the second connecting rod, and the other end of the L-shaped connecting rod is hinged to the end of the third connecting rod. The end, away from the L-shaped connecting rod, of the third connecting rod is hinged to the bottom of the guide plate, a supporting assembly is hinged to the bottom of the guide plate, and an adjusting mechanism for driving the first connecting rod is arranged below the roller way roller. The method has the effect of guaranteeing normal operation of the equipment.

The invention relates to the technical field of modernized marine ranch construction equipment, in particular to a multi-purpose large-scale multi-joint hydraulic mechanical arm capable of being universally used in an application scene and a control method. A preset working track of the mechanical arm is obtained according to the marine environment and application, key track position evaluation nodes are extracted, and a preset pose three-dimensional model diagram is constructed and stored in a feature database. In the actual operation process, the system judges the position node of the mechanical arm through real-time position analysis and matching, and carries out pose evaluation. And if the pose deviation is found, the system quickly finds an optimal deviation correction scheme according to the knowledge graph of the historical deviation correction parameters and the optimal deviation correction parameters, and accurate deviation correction is carried out. By means of the method, the operation precision and efficiency of the mechanical arm can be remarkably improved, efficient and accurate deviation correction processing can be achieved through historical data and model matching, and therefore it is guaranteed that multiple types of tasks in a modern marine ranch are conducted smoothly, and the stability and reliability of a system are improved.

The invention discloses a large-gradient complex stratum one-time tunneling shield machine transformation structure, and belongs to the technical field of shield construction, the large-gradient complex stratum one-time tunneling shield machine transformation structure comprises a cutterhead, a front shield, a plurality of hinged oil cylinders and a middle shield, the cutterhead and the middle shield are located on the two sides of the front shield respectively, the cutterhead is installed on the front shield, and the hinged oil cylinders are circumferentially arranged around the axis of the middle shield; the hinged oil cylinders close to the top of the middle shield are arranged to be upper oil cylinders, the hinged oil cylinders close to the bottom of the middle shield are arranged to be lower oil cylinders, the middle shield is provided with an adjusting mechanism, the adjusting mechanism comprises a plurality of adjusting blocks and adjusting assemblies, and the adjusting blocks correspond to the upper oil cylinders. The adjusting assembly is used for driving the adjusting block to move in the axis direction of the middle shield, one end of each upper oil cylinder is hinged to the adjusting block, the other end of each upper oil cylinder is hinged to the front shield, one end of each lower oil cylinder is hinged to the middle shield, and the other end of each lower oil cylinder is hinged to the front shield. The tunneling effect of the shield tunneling machine on the upper-soft and lower-hard stratum can be guaranteed conveniently.

The utility model relates to a feeding device technical field discloses a kind of CVT transmission chain processing feeding device of anti-belt slip, including rack and belt, the top of rack is fixedly connected with side plate in front and back side, the top right side of rear side side plate is provided with detection mechanism, the top left and right sides of two side plates are provided with guiding mechanism;The detection mechanism includes support plate, the bottom of support plate is fixedly connected with the top right end of rear side side plate, the inside bottom of support plate is provided with bracket, and the top of bracket is fixedly connected with limit frame.In the utility model, screw rod one can make bracket and compression roller move up and down by connecting sheet, and adapt to the transmission chain of different thickness, when compression roller contacts chain, increase the contact pressure of chain and belt, simultaneously, chain conveying can drive compression roller synchronous rotation, deviation of chain pitch can be detected in time by detection of photoelectric sensor, ensure chain conveying accuracy.

This invention discloses a method and system for four-way linkage management of engineering costs based on a hybrid large model, belonging to the interdisciplinary field of engineering digitization and artificial intelligence. The method uses a multi-constraint fusion scientific computing hybrid large model as its technical foundation, constructing the model through a four-in-one mechanism of data pre-setting, boundary setting, threshold pre-setting, and dynamic data import. It adopts a hybrid architecture of decision trees and recurrent neural networks, integrating five types of constraints: construction period, resources, cost, changes, and engineering specifications. Based on this, it achieves three-dimensional synchronization, three-value quantification, three-calculation comparison, and intelligent risk control linkage, with the bill of quantities item as the smallest accounting unit. When the cost deviation exceeds the threshold, an early warning is automatically triggered, and the root cause is traced back along the data correlation link, realizing a closed-loop management system of "early warning, location, and processing." This invention solves the pain points of traditional methods, such as inaccurate calculations, delayed early warnings, and untraceable data, significantly improving the accuracy, efficiency, and reliability of cost management. This technical solution has been evaluated and certified by the Ministry of Housing and Urban-Rural Development (Jiankeping [2023] No. 066).