2322results about "Rollers" patented technology

The invention discloses a conveying device for detecting the protruding height of an oil injector, and relates to the technical field of oil injector detection. Wherein the conveying piece comprises a rolling shaft and an anti-skid sleeve which are connected in a sleeved mode, the roughness of the surfaces of the rolling shaft and the anti-skid sleeve is different, and the rolling shaft is driven by a motor to rotate. According to the conveying device for detecting the protruding height of the oil sprayer, the rolling shaft and the anti-skid sleeve which are connected in a sleeving mode are adopted, the roughness of the surface of the anti-skid sleeve is increased, and therefore the roughness of the device is changed according to needs, and the problem that when an existing conveying device for detecting the oil sprayer is used, the height of the oil sprayer is too large is effectively solved. The technical problem that the roughness of the conveying belt cannot be freely adjusted according to needs is solved, the purpose of freely adjusting the surface roughness of the conveying device is achieved, the surface roughness of the conveying device can be adjusted according to the machining condition of the air cylinder cover, various machining requirements are met, and the applicability of the device is improved.

The invention discloses a trailer and a trailer damping method.The trailer is applied to a wheel track type belt conveyor and used for supporting and dragging a conveying belt on a track of the wheel track type belt conveyor and walking along with the conveying belt, the trailer comprises a frame and a plurality of wheel assemblies distributed on the two sides of the frame, and the frame is provided with mounting seats corresponding to the wheel assemblies one to one; the wheel assembly comprises a wheel body, a wheel axle and a bearing, the wheel axle is in transmission connection with the wheel body through the bearing, at least part of the area of the wheel axle penetrates through a mounting hole formed in the mounting base and is in clearance fit with the mounting hole, and an elastic structure located between the mounting base and the wheel axle is arranged in the mounting hole. When the trailer transports a conveying belt and materials on the track, material loads and wheel-rail force are subjected to energy storage and energy consumption when passing through the elastic structure, so that the overall vibration of the trailer is attenuated, the vibration reduction effect of the trailer during operation on the track can be greatly improved, the peak value of a bearing vibration curve can be reduced, the peak clipping effect is achieved, and the service life of the bearing is prolonged.

The invention relates to the technical field of photovoltaic panel welding, in particular to a workpiece feeding device of a bus bar welding machine, which comprises two fixing frames, feeding devices, a supporting device and a pushing device, the uniformly distributed feeding devices are mounted at the top of the fixing frames, the supporting device is arranged between the two fixing frames, and the pushing device is mounted on the top of the fixing frames. The device comprises a fixed frame, a driving motor, a driving shaft, a mounting frame, a fixed plate, a driving belt pulley, a driven belt pulley, a belt main body, a fixed shell, a supporting shell, a supporting wheel, a limiting plate, a threaded rod, a nut, a limiting rod, a rubber ring, a pushing spring and a dismounting main body, the driving belt wheel, the belt main body and the driven belt wheel can be driven to rotate through the driving motor and the driving shaft, the belt main body is attached to the supporting wheel so as to support the belt main body, the belt main body can be attached to the photovoltaic module all the time, and stable feeding of the photovoltaic module is guaranteed.

Apparatuses, systems, methods, and / or the like are provided for a transfer apparatus. An example transfer apparatus includes a bed having a first plurality of balls and a second plurality of balls having a first and second diameter, respectively, and wherein at least one of the first plurality of balls and at least one of the second plurality of balls are configured to rotate relative to the bed, wherein at least one belt of the plurality of belts is operably engaged with the at least one ball of the first plurality of balls or the at least one ball of the second plurality of balls; and a driver operably connected to the at least one belt of the plurality of belts, wherein the driver is configured to power the at least one belt of the plurality of belts.

The invention discloses a non-coal mine belt conveyor carrier roller wear abnormal sound feature extraction method, and particularly relates to the technical field of navigation positioning, and the feature extraction method comprises the following steps: S1, constructing an anti-interference sound collection system, and collecting a sound signal in a carrier roller operation process; s2, preprocessing the collected sound signals, wherein the preprocessing comprises adaptive filtering and denoising, signal segmentation and abnormal peak suppression; s3, adopting a multi-domain fusion feature extraction strategy to extract time domain features, frequency domain features and time-frequency domain features from the preprocessed sound signals; s4, screening out an optimal feature subset sensitive to the wear state of the carrier roller through feature importance evaluation and redundancy analysis; the non-coal mine belt conveyor carrier roller wear abnormal sound feature extraction method can effectively resist noise interference of a non-coal mine complex environment, accurately extract carrier roller wear abnormal sound features, and provide a reliable basis for intelligent diagnosis of a carrier roller wear state.

The invention discloses a carrier roller fault diagnosis method based on aliasing period fusion features, and particularly relates to the field of roller fault diagnosis. According to the scheme, the operation data of the carrier roller of the conveyor are collected through the sensor, and the collected original sensing data are preprocessed; the method comprises the following steps: dividing carrier roller sensing data into samples based on sliding window sampling, and dividing into a training set, a verification set and a test set according to 6: 3: 1; a carrier roller fault diagnosis model based on the Times-SCConv network is constructed, and parameters are initialized; training and verifying the Times-SCConv network based on the training set and the verification set, optimizing network parameters by using an optimization algorithm, and storing an optimal weight; and inputting the test set into the optimal Times-SCConv network model to carry out carrier roller fault diagnosis, and finally obtaining a carrier roller fault classification result and test accuracy. According to the technical scheme, the problem that fault feature extraction is difficult when sensing data signals of the carrier roller are subjected to aliasing coupling is solved, and modeling extraction of carrier roller data periodic change features is achieved.

The invention relates to the technical field of lifting conveyor structures, in particular to an intelligent material lifting conveyor structure which comprises a support and an ejection anti-blocking assembly, a conveying cylinder is fixedly connected to the support, the ejection anti-blocking assembly is movably mounted in the conveying cylinder, and the ejection anti-blocking assembly is movably mounted in the conveying cylinder. Through the arranged ejection anti-blocking assembly, when any one of the first segmented barrel, the second segmented barrel and the third segmented barrel is blocked, the friction force of external blocking is larger than that of an internal anti-skid sealing ring, the synchronous rotation state between the axis pipe and the segmented barrels is relieved, the axis pipe starts to rotate independently, and the anti-blocking effect is achieved. The push block starts to rotate towards the side face from the gap between the ejector rods, so that the ejector rods are sequentially ejected upwards, materials are pushed and dredged, the blockage condition is relieved, the conveyor has the anti-blockage dredging capacity, dredging can be achieved under the blockage condition, and the practicability of the conveyor is improved.

The invention belongs to the technical field of conveying devices, and particularly relates to a self-adaptive deviation rectifying type feeding mechanism which comprises a workbench, a containing platform is arranged at the upper end of the workbench, two symmetrically-distributed conveying rollers are rotationally connected to the upper end of the containing platform through two sets of mounting plates, and a conveying belt is arranged between the two conveying rollers; the side end of each group of mounting plates is fixedly connected with a driving motor for driving the two conveying rollers to rotate synchronously; the limiting mechanism is used for limiting the conveying belt to prevent the conveying belt from deviating towards the two sides; and the self-adaptive deviation correcting mechanism is used for pushing the conveying belt back to the center position when the conveying belt deviates towards the two sides. By means of the synergistic effect of the first-stage friction adjusting mechanism and the second-stage friction adjusting mechanism, the PLC can dynamically adjust the friction coefficient of the guide vertical roller and the belt according to a load signal fed back by the pressure sensor, the service life of the belt is prolonged, and meanwhile energy consumption generated by load fluctuation of the driving motor is reduced.

The invention relates to a self-adaptive device for deviation rectification of a transmission steel belt and a working method of the self-adaptive device, and belongs to the field of automatic equipment transmission. The device comprises a first roller, a steel belt, a first wall plate, a second roller, a second wall plate and two sets of self-adaptive deviation rectifying mechanisms, the steel belt is wound on the first roller and the second roller and makes contact with the top face of the first wall plate and the top face of the second wall plate, the two sets of self-adaptive deviation rectifying mechanisms are installed on the two sides of the steel belt correspondingly, and each set of self-adaptive deviation rectifying mechanism comprises a first screw and a second screw. A first deviation rectifying seat, a second screw, a spring, a second deviation rectifying seat, a deviation rectifying roller assembly, a deviation rectifying rod, a pressing wheel plate and an induction wheel assembly are included, the deviation rectifying roller assembly is installed on the deviation rectifying rod, the pressing wheel plate is fixed to the lower portion of the deviation rectifying rod, and the induction wheel assembly is fixed to the pressing wheel plate; the first screw penetrates through the correcting vertical rod and is connected with the second screw through the spring, and the second screw is fixed to the second wall plate. The deviation rectifying device is compact and reasonable in structural design, small in occupied equipment space and convenient to install and debug, deviation rectifying action can be completed through the mechanism and the steel belt, and use requirements are met.

The invention discloses an intelligent belt conveyor carrier roller fault monitoring method based on a DAS. The method comprises the steps that a distributed optical fiber sensing system DAS is used for collecting whole-line carrier roller vibration signals; decomposing the vibration signal into a series of components by using wavelet decomposition, and calculating a correlation coefficient of each component and an autocorrelation function of the original vibration signal; effective components are selected for denoising processing and superposition to obtain denoised signals; calculating a time-frequency domain characteristic parameter and a KL distance between a denoising fault and a normal signal sample, screening out six characteristic parameters with the highest resolution capability, and training a built machine learning model; and inputting carrier roller vibration signals collected by the whole line of the belt conveyor to obtain six characteristic parameters, and sending the six characteristic parameters to the trained machine learning model to obtain a carrier roller fault prediction result at each position. According to the method, the limitation of single-domain fault analysis is overcome, the robustness to noise and variable working conditions is effectively improved, and intelligent positioning and monitoring of the whole-line carrier roller faults of the belt conveyor are achieved.

According to the temperature and vibration integrated monitoring method and device for the belt conveyor, sensing optical cables are arranged along key parts of the belt conveyor, full-coverage and full-life-cycle real-time monitoring of a carrier roller, a roller and a belt area is achieved, and traditional point type monitoring blind areas are avoided. The system integrates two parameters of temperature and vibration for comprehensive judgment, so that the accuracy of early fault recognition is remarkably improved, and false alarm and missing alarm are effectively inhibited. A three-level grading alarm mechanism is adopted, gradient response from prompting, reminding to intervention is achieved, and the disposal time is shortened. A trend analysis algorithm is integrated, the predictive operation and maintenance capability is achieved, and the operation and maintenance mode is promoted to be changed from passive maintenance to active prevention. The system is based on a passive optical cable, does not need an external power supply or an attached sensor, is simple and convenient to deploy, is high in compatibility, and can be seamlessly connected to an existing DCS platform. And all abnormal events are automatically filed, time axis backtracking and accident tracing are supported, and the operation and maintenance closed-loop efficiency and experience precipitation capability are improved.

The invention relates to the technical field of dry type slag removal, and discloses a steel belt deviation prevention device of a slag removal system, which comprises a rack, a dry type slag steel belt machine, a radial adjusting mechanism, a deviation prevention and correction mechanism and an anti-adhesion spraying mechanism, and is used for correcting and protecting a conveying steel belt at an inclined section of a slag treatment conveying system. The radial adjusting mechanism comprises two sets of C-shaped tooth frames and connecting gears, the connecting gears on the two sides are adjusted corresponding to the displacement of the deviation-preventing and deviation-correcting mechanism to be meshed with the tops of the C-shaped tooth frames on the two sides in a rotating mode respectively, and horizontal displacement is converted into adjustment triggering of the inclination of the deviation-preventing and deviation-correcting mechanism in the vertical direction. The support is rotationally connected to the center of the top of the bearing plate, a center roller is rotationally connected to the middle of the support, and side rollers are rotationally connected to the two sides of the support; the deviation rectifying force is correspondingly adjusted to vertically act on the surface of the steel belt through the inclined surface of the inclined steel belt adaptive to slag conveying, so that the lateral deviation force is counteracted to ensure that the steel belt runs along the center of the inclined section, and the slag conveying stability is ensured.

The invention belongs to the field of conveying equipment monitoring and safety protection, and particularly relates to a conveyor belt tearing detection device and method based on optical fiber sound wave sensing. The device comprises a conveyor rack, the conveyor rack comprises a guide rail, a carrier roller and a support are sequentially arranged on the guide rail, a conveyor belt is laid above the carrier roller and the support, a sensing optical fiber is arranged in each support, and the sensing optical fibers are connected with a distributed optical fiber acoustic sensing host DAS. The output end of the distributed optical fiber acoustic sensing host DAS is connected with a signal processing unit, and the output end of the signal processing unit is connected with a control unit. According to the invention, on-line, distributed and real-time detection and positioning of local vibration caused by puncture or tearing of the belt by foreign matters can be realized, and early warning of key areas such as a feed opening and the like can be realized; the false alarm rate is reduced through signal processing and classifier design, interference of other events such as common blanking or carrier roller impact is eliminated, and the usability and operation and maintenance efficiency of the system are improved.

The utility model discloses a conveyor belt deviation detecting and correcting device, which relates to the technical field of belt conveyors, is used for being matched with a carrier roller component and a conveyor belt arranged on the carrier roller component, and comprises a correcting device and a detecting device, the deviation rectifying device comprises vertical rollers symmetrically arranged on the two sides of the conveying belt, the vertical rollers are slidably and elastically connected with the placement frame, guide limiting grooves matched with the side edges of the conveying belt are formed in the working faces of the vertical rollers, and the guide limiting grooves and the conveying belt are in elastic dynamic contact fit, so that the vertical rollers can push the conveying belt back to the initial center line position; and the detection device is arranged on the placement frame and is configured to be capable of detecting the value of the lateral pressure borne by the vertical roller in real time so as to obtain the deviation working condition of the conveying belt, and alarm information is sent out to remind workers in time.

The patent discloses a kind of multi-modal information fusion's idler fault diagnosis method, specifically related to idler fault diagnosis field.The steps are as follows: collecting the multi-modal signal data of idler, the original one-dimensional signal data is preprocessed;One-dimensional time series data of each signal is simplified using classification aggregation;Each signal is converted into two-dimensional feature image using Markov field and is combined into three-channel image;Establish the idler fault diagnosis model based on Swin Transformer network architecture;Swin Transformer network architecture is trained and verified, if network reaches optimal effect, then next step is carried out, otherwise return to previous step, and modify initial parameter and continue training;Test set is input into optimal Swin Transformer network architecture to carry out idler fault diagnosis, and finally obtain idler fault classification result.The technical scheme of the present application solves the problem of insufficient and inaccurate information in existing idler fault diagnosis based on single modal information, and lays a foundation for subsequent implementation control and maintenance.

The invention belongs to the technical field of reflector production, and particularly relates to a lifting sheet taking table structure for mirror plating sampling inspection of a plane reflector, which comprises a lifting mechanism, a lifting mechanism, a conveying mechanism and a steering mechanism, the lifting mechanism is used for controlling the height of a reflector to be sampled during discharging and comprises a base and a lifting table located above the base in a lifting mode. The lifting mechanism is used for lifting a reflector to be subjected to spot check and comprises at least two U-shaped frames which are arranged above the lifting table at equal intervals and arranged in a transverse row, and rotating shafts are rotationally arranged on the inner sides of the U-shaped frames through bearings. The multi-direction discharging device can achieve multi-direction discharging, does not need a plurality of conveying devices, can directly adapt to multi-station sampling inspection or emergency discharging requirements, reduces equipment investment, is compact in layout, reduces occupied space, integrates a lifting mechanism, a lifting mechanism, a conveying mechanism and a steering mechanism on the same base, simplifies control logic, reduces operation difficulty and improves production efficiency. And the transportation stability of the reflecting mirror is improved.

Various embodiments are directed to a guard apparatus for a conveyor system. The conveyor system comprises a plurality of rollers rotatably disposed between a pair of side frames of the conveyor system. The guard apparatus comprises a top cover and a first flange. The top cover is disposed in a first gap formed between a first roller and a second roller of the plurality of rollers. The first flange extends from a first end of the top cover into a second gap formed between a first end face of the first roller, a second end face of the second roller and a corresponding side frame of the conveyor system.

The utility model discloses a belt conveyor cleaning device which is characterized in that the cleaning device is arranged at the turn-back position of a belt conveyor, the turn-back position of the belt can be arranged between a lower pressing roller and a second guide roller, a sliding moving frame is adopted, and the moving frame is fixed through a positioning rod so as to adjust the tensile force of the belt and prevent the belt from floating. Between the lower pressing roller and the second guide roller, the belt is guided and conveyed to the position between the lower pressing roller and the second guide roller through the first guide roller under the driving of the driving roller, meanwhile, the cleaning roller conducts preliminary cleaning, and at the initial position, the second guide roller is flush with the top end of the shell, and due to the fact that the movable frame is arranged in an L shape, and a gap is reserved between the vertical end and the belt, the belt can be conveniently cleaned. According to the belt cleaning device, friction between the belt and the second guide roller is avoided, the lower pressing roller exerts extrusion force on the second guide roller, meanwhile, the second guide roller is supported by the spring so that the cleaning requirements of different belt conveyors after tension is adjusted can be met, and then the belt is cleaned through the cleaning rollers, the spraying heads and the scraping plates which are arranged in a multi-stage mode, and attachments on the surface of the belt are removed.

The invention relates to the technical field of belt conveyors, in particular to a mining belt conveyor deviation rectifying device which comprises a bottom plate and a first rotating shaft rotationally connected to the bottom plate and further comprises a deviation rectifying device body. The deviation correcting device body comprises a main supporting plate rotationally connected to the first rotating shaft, two second rotating shafts rotationally connected to the two sides of the main supporting plate, auxiliary supporting plates rotationally connected to the surfaces of the second rotating shafts, a first fixing plate fixedly connected to the upper end of the main supporting plate, and two first mounting plates symmetrically and fixedly connected to the upper end of the first fixing plate. The middle roller is rotationally connected to the two mounting plates I through a rotating shaft; through sliding fit of the sliding plate and the sliding groove and meshing transmission of the first gear and the gear teeth, the second mounting plate is driven to drive the side roller to transversely move along the auxiliary supporting plate, conveying belts of different specifications can be rapidly adapted without disassembling the structure, and therefore the compatibility problem caused by a fixing support of a traditional device is solved; and the production halt time when the conveying belt is replaced is obviously reduced.

The utility model belongs to the technical field of compound equipment, and relates to an automatic hydraulic deviation rectifying system of a stainless steel track compound machine, which comprises a circular conveying annular track and a roller for driving the track to circulate, and two ends of the roller are respectively supported by a first bearing and a second bearing. A first sliding groove distributed in the conveying direction is formed in one side of an end frame of the compound machine, a first bearing seat is arranged in the first sliding groove in a sliding mode, the first bearing is assembled in the first bearing seat, an oil cylinder is fixedly arranged in the first sliding groove, and a piston rod of the oil cylinder is distributed in the conveying direction and connected with the first bearing seat. A first spoke sensor for detecting the tensioning force of the crawler belt is arranged on the first bearing seat, the first spoke sensor is connected with a control system of a hydraulic station, and the hydraulic station drives the first bearing seat to move through an oil cylinder so as to balance the tensioning force of the crawler belt. The automatic hydraulic deviation correcting system of the stainless steel crawler compound machine can correct the deviation state of the crawler in time.

A spring loaded bearing assembly includes first and second matched cartridge bearings disposed within a bearing cup. A sleeve is disposed radially between the cartridge bearings and the bearing cup. A bushing is disposed radially within the cartridge bearings. A shaft is disposed radially within the bushing in sliding engagement therewith. An end cap is connected to the A spring biases the shaft axially.

The present application relates to a kind of pyrolysis high-temperature solid material conveying device of leakage prevention, belong to high-temperature solid material conveying technical field;Shell is placed axially horizontally on support platform;The top of shell is provided with import flange, bottom is provided with export flange;Double-chamber leakage prevention seal is installed in the axial left end of shell;Shaft passes through double-chamber leakage prevention seal and then from the left end of shell extends into the inner cavity of shell;2 bearing seats are fixed on the upper surface of support platform by bolt connection;The axial outer end of shaft is supported by 2 bearing seats;Rotary joint is installed in the outer end of shaft;Access hole is arranged in the top of shell;Access hole inner wall, import flange inner wall, export flange inner wall, shell inner wall are attached wear-resistant castable;The outer wall of the part of shaft extending into the inner cavity of shell is installed blade;Transmission part is sleeved on the outer wall of the outer end of shaft;The present application can withstand high-temperature working condition when conveying garbage pyrolysis solid material, while long-distance material return in horizontal direction is realized, and the problem of garbage pyrolysis material return is solved.

The invention relates to the technical field of belt conveyor rollers, in particular to a transmission roller structure and a belt conveyor thereof, the transmission roller structure comprises a rack, and the rack is connected with a roller body; the driving assembly is used for driving the roller main body to rotate; the friction assembly is used for enhancing the friction force between the belt and the roller; the tensioning force self-adjusting assembly comprises an inertia energy storage mechanism, a vibration energy storage mechanism, a storage mechanism and an adjusting mechanism; and the cleaning assembly is used for cleaning the friction assembly by using the air in the storage mechanism. Inertial energy and vibration energy of roller movement are converted into compressed air to be stored through the inertial energy storage mechanism and the vibration energy storage mechanism, the friction assembly is dynamically adjusted in combination with the adjusting mechanism, self-adaptive adjustment of friction force is achieved, belt slipping is effectively avoided, and the conveying reliability is improved.

A merchandise security system for a retail shelf includes a front rail having a base, a front wall, and a rear wall spaced apart from the front wall by a channel. The system also includes a roller track configured to engage the front rail and operable to translate along the front rail. Here, the roller track includes a plurality of rollers and a frame. The plurality of rollers are selectively engaged with the front rail.

The utility model relates to a damping carrier roller of a downward belt conveyor. The damping carrier roller comprises a roller skin and a carrier roller shaft, dimethicone damping liquid is arranged in the carrier roller. One or more groups of damping baffles and vortex blades are arranged on the circumferential surface of the middle part of the carrier roller shaft, the damping baffles are positioned at the middle lower part of the carrier roller shaft, and the vortex blades are positioned above the carrier roller shaft; the centers of the two ends of the carrier roller shaft are provided with transverse holes leading to the interior of the carrier roller and vertical holes communicated with the transverse holes. The damping liquid is injected into the carrier roller and can well provide damping force for rotation of the carrier roller, and the problems of overspeed of a downward conveying belt and rapid downward sliding of a broken belt are solved; the baffle is arranged on the carrier roller shaft, and the baffle can stop flowing damping liquid to generate damping force which indirectly acts on the roller skin. By means of the vortex blades on the shaft, air in the carrier roller can directionally flow and circulate with external air through the holes in the shaft, and heat dissipation can be well provided for the carrier roller.

The invention discloses an intelligent underground belt conveyor, and relates to the technical field of underground coal mine transportation. A plurality of supporting rods arranged in a surrounding mode are supported in the left side of an adjustable barrel skin, a plurality of hydraulic rods arranged in a surrounding mode are supported in the right side of the adjustable barrel skin, and under hydraulic driving, the hydraulic rods are controlled to synchronously stretch out and draw back for adjustment; when the conveying belt deviates, the outer diameter of the right side of the roller can be adjusted, the driving force of the left side and the right side of the roller is adjusted by changing the size proportion of the outer diameters of the left side and the right side of the roller, automatic correction after deviation of the conveying belt is achieved, response is timely, and manual correction is not needed. And the stability and the high efficiency of the belt conveyor in underground intelligent coal mine transportation can be guaranteed.

The invention relates to the technical field of mechanical automatic feeding, in particular to an automatic stokehole feeding device for a roller type large steel cylinder heat treatment production line. A roller type large steel cylinder heat treatment production line stokehole automatic feeding device comprises a feeding structure, a pre-feeding structure and a feeding structure, the feeding structure conveys large steel cylinders to the pre-feeding structure, the pre-feeding structure conveys the large steel cylinders to the feeding structure one by one, and the roller type large steel cylinder heat treatment production line stokehole automatic feeding device further comprises an overturning piece, the feeding structure comprises at least two V-shaped roller sets, the overturning piece is used for overturning the large steel cylinders on the V-shaped roller sets close to the feeding structure to the V-shaped roller sets close to the adjacent V-shaped roller sets, and the V-shaped roller sets rotate synchronously to be used for conveying the large steel cylinders into a heat treatment furnace. The large steel cylinder carrying device has the following beneficial effects that the falling probability of large steel cylinders in the carrying process is reduced, the life safety of operators is guaranteed, meanwhile, the production efficiency is improved, manpower and time cost is saved, and the production cost is reduced.

The invention relates to the technical field of conveyors, and discloses an intelligent deviation rectifying belt conveyor which is characterized in that mounting plates are arranged at the upper end of a conveying frame at equal intervals; a middle supporting roller assembly, side supporting roller assemblies in transmission connection with the two sides of the middle supporting roller assembly and side bracket roller assemblies in transmission connection with the tail ends of the side supporting roller assemblies are arranged at the upper end of the middle of the mounting plate. A driving motor is mounted at the middle lower end of the mounting plate; the position sensors are used for continuously monitoring the edge position of the conveying belt, precisely judging the deviation direction and degree, controlling the driving motor to adjust the side edge supporting roller assembly and then being in linkage with the side edge bracket roller assembly to incline, and deviation correction according to needs is achieved through mechanical precise adjustment. And damage to the conveying belt caused by excessive operation is avoided. According to the deviation rectifying device, the surfaces of the side carrier rollers can be lubricated while deviation rectifying is conducted on the conveying belt, deviation rectifying, namely lubrication is achieved, manual operation is not needed, and lubrication omission is avoided.