4715results about "Rollers" patented technology

The invention relates to a coal conveying control system and method for a thermal power plant. The method comprises the following steps that S1, operation data of a coal conveying system are collected in real time through a preset multi-source sensor network; s2, constructing a time sequence prediction model based on an attention mechanism, and dynamically predicting the operation state of the coal conveying system; s3, executing real-time optimization calculation at the edge calculation node, and generating a control instruction set including the belt speed, the coal feeder opening degree and the transfer station cooperation strategy; s4, the control instruction is issued to an execution mechanism through a 5G-MEC network, and meanwhile key data is uploaded to a cloud end for model iteration updating; and S5, dynamically adjusting a safety protection threshold value based on an equipment vibration spectrum analysis result, and triggering a hierarchical protection mechanism when a coal blockage risk is detected. The method has the effects of effectively improving the performance of the coal conveying system and being green and energy-saving.

The invention discloses an automatic balance adjusting method for a deviation rectifying device of a belt conveyor, and relates to the technical field related to conveyors. The method comprises the steps that basic information of a conveying belt of a target belt conveyor is obtained; correcting node optimization of the correcting device is carried out, and optimal correcting point location distribution is generated; a plurality of deviation rectifying devices located at a plurality of point positions are distributed and configured according to the optimal deviation rectifying point position; belt deviation monitoring is carried out at a plurality of point positions through a transmission roller, and deviation point positions, corresponding belt deviation amounts and corresponding target deviation correcting devices are generated; generating a balance pilot control vector; and driving the corresponding electric push rod to carry out deviation correction according to the balance guide control vector. The technical problems that due to the fact that deviation of a conveyor belt is difficult to accurately monitor in real time in an existing conveyor deviation rectifying device, the balance adjustment response speed is low, the adjustment precision is limited, and the deviation rectifying efficiency and accuracy of the conveyor deviation rectifying device are insufficient are solved, and the technical effect of improving the deviation rectifying efficiency and accuracy of the deviation rectifying device is achieved.

The invention discloses a conveyor carrier roller online monitoring method and device and electronic equipment. The method comprises the following steps of: firstly, acquiring a sound wave vibration signal generated in real time when the carrier roller of the conveyor moves; wherein the sound wave vibration signal is obtained based on reverse Rayleigh scattering light in the optical fiber; performing feature extraction from the sound wave vibration signal to obtain an energy feature value of each frame; performing normalization processing on the energy characteristic value to obtain a target characteristic value; judging whether the target characteristic value exceeds a preset threshold value or not: if the target characteristic value exceeds the preset threshold value, inputting the target characteristic value into a pre-constructed target neural network model, so that the target neural network model outputs a fault type corresponding to the target characteristic value; therefore, online monitoring of the conveyor carrier roller based on optical fiber sensing multi-feature fusion is completed. According to the method, the fault type can be automatically and accurately identified and output, so that the overall performance and safety of the conveyor carrier roller are enhanced.

The invention discloses an automatic product feeding and discharging mechanism which comprises a rack, a feeding device, a taking device, a pin cutting device, a product conveying line and a feeding jig. The feeding device, the taking device, the pin cutting device and the product conveying line are arranged on the rack, and the feeding jig is conveyed to the product conveying line. The feeding device comprises a feeding temporary storage assembly, a discharging temporary storage assembly and a material disc conveying assembly, and material discs are alternately and temporarily stored on the feeding temporary storage assembly and the discharging temporary storage assembly through the material disc conveying assembly. The material taking device comprises a first material taking mechanical arm and a second material taking mechanical arm, and the first material taking mechanical arm is used for grabbing workpieces of the material supply device and placing the workpieces on the product conveying line for feeding and grabbing workpieces of the foot cutting device and placing the workpieces on the material supply device for discharging. The second material taking mechanical arm grabs the workpieces on the product conveying line and places the workpieces on the foot cutting device for foot cutting. The automatic feeding and discharging mechanism for the products can temporarily store and alternate the trays, is matched with a material taking device to complete automatic feeding and discharging, and is small in occupied space and high in automation degree.

A right angle transfer device has a conveying surface defined by a plurality of conveying members that are driven to convey objects in a conveyance direction. A diverting conveying member is mounted to a frame and is driven to divert objects in a direction angled away from the conveyance direction. A lift drive rotates a cam to move a bar in a substantially horizontal direction. The movement of the bar causes a frame link connected to the bar and the frame to raise and lower the frame. Once the frame has been moved upward to a sufficient extent, the diverting conveying member will be raised above the conveying members to come into contact with the object to thereby move and divert the object away from the conveyance direction.

The invention discloses a portal-type adjustable TBM continuous belt conveyor deslagging belt anti-overturning device, and relates to the field of industrial material conveying equipment, and the device comprises a base which is provided with a conveying belt used for conveying materials; the base is further provided with a door frame which is arranged on the conveying belt in a striding mode. The deviation rectifying mechanism is arranged on the door frame; the deviation rectifying mechanism is provided with a roller in rolling contact with the conveying belt and a correcting roller in contact with the conveying belt; an angle sensor is arranged at the axis of the roller and is used for detecting axis angle data of the roller in real time; and the monitoring control mechanism is in communication connection with the deviation correcting mechanism, and the monitoring control mechanism is used for judging whether the conveying belt deviates or turns over according to the roller axis angle data detected by the angle sensor and controlling the correcting roller to make contact with the conveying belt so as to correct the position of the conveying belt when the conveying belt deviates or turns over. And the problems of equipment failure and production interruption caused by deviation or turnover of the conveyor belt are avoided.

An apparatus to adjust tension in an endless belt of an industrial machine may include a conveyor assembly, a tension system, an image sensor, and a controller. The controller may be operable to receive a first image from the image sensor; determine a position of a first raised feature of an endless belt of the conveyor assembly relative to a first groove formed in the first roller of the conveyor assembly based on the first image and actuate an actuator of the tension system to alter the tension level in the endless belt in response to a determination that the first raised feature is at a location relative to the first groove outside of a selected range of locations to move the first raised feature to within the selected range of locations.

The invention discloses a large cargo transfer device for cargo import and export, and relates to the technical field of large cargo transfer devices.The large cargo transfer device comprises a rack, direction wheels are fixedly installed at the bottom of the rack, baffles are fixedly installed on the two sides of the top of the rack, and a cargo loading mechanism and a roller assembly are fixedly installed at the two ends of the rack correspondingly; the roller assembly and the loading mechanism are oppositely arranged, the roller assembly comprises a rotating shaft and a supporting frame, the supporting frame is fixedly installed at the end of the rack, the rotating shaft penetrates through the supporting frame and extends to the outer side of the supporting frame, a buffering roller is fixedly installed on the outer side face of the rotating shaft, and a conveying mechanism is installed at the top of the rack. According to the large cargo transfer device for the cargo inlet and outlet, through the arrangement of the bearing mechanism, impact force and vibration generated during cargo conveying are relieved, the risk that cargoes are damaged due to vibration and impact is reduced, and the safety of the cargoes in the transportation process is ensured.

The invention relates to the technical field of conveying equipment, in particular to a conveying mechanism for detecting and processing knitwear and an operation method.The conveying mechanism comprises a conveying support, a brushing assembly, a butt joint assembly and a quick release assembly, a conveying belt is movably arranged at the upper end of the conveying support through a conveying roller, and an assembling area is formed in one side of the conveying support; the assembly beam frame is welded in the assembly area, the backlight box can provide a backlight source for the detected knitwear through the conveying belt when continuous visual detection is carried out on the knitwear, defects of products can be conveniently detected, meanwhile, the backlight box is provided with the cleaning and brushing assembly through the quick disassembly assembly, and when the conveying belt is used for normal detection and conveying, the cleaning and brushing assembly can be used for cleaning and brushing the knitwear. The conveyor belt cleaning device can clean two sides of a conveyor belt, can synergistically dry the surface of the conveyor belt and dissipate heat of the backlight box during cleaning, is simple and convenient to operate, can clean the assembly or the backlight box at any time, can be conveniently disassembled when replacement or maintenance is needed after long-term use, and is worry-saving and convenient to operate.

A conveyor system and drive element for same include a chain including a plurality of links that hinge with respect to each other and a plurality of moving elements such as balls that freely move in the links. A drive element drives the chain in a conveying direction and includes an elongated body with a surface that has a plurality of planar facets arranged around the longitudinal axis of the body. The facets extend along the body and engage respective links of the chain as the body is rotated to drive the chain. Relief elements are located in each facet and are configured for receiving the moving elements of the chain links engaging the facets so the links lie generally flat on the facets when the chain is driven. Other versions of the drive element are faceted for driving a chain with links but without relief elements.

A conveyor system includes a conveyor frame having a frame base and a pair of parallel frame sidewalls. Each sidewall extend from a top side of the base to a distal end defining a plurality of sockets. The sockets include a socket bearing configured to support a corresponding roller shaft and a lip element extending across the opening at the distal end. In some examples, the conveyor frame includes at least one end coupler attached at an end of the conveyor frame. In some configurations, the conveyor frame includes a plurality of frame segments each defining a portion of a length of the conveyor frame.

The invention discloses a carrier roller fault diagnosis method based on multi-modal information fusion, and particularly relates to the field of carrier roller fault diagnosis. The method comprises the following steps: collecting various modal signal data of a carrier roller, and preprocessing original one-dimensional signal data; simplifying the one-dimensional time sequence data of each signal by using classification aggregation approximation; converting each signal into a two-dimensional feature image by using a Markov field and synthesizing the two-dimensional feature image into a three-channel image; a carrier roller fault diagnosis model based on a Swin Transform network architecture is established; the Swin Transform network architecture is trained and verified, if the network achieves the optimal effect, the next step is carried out, otherwise, the previous step is returned, and initial parameters are modified to continue training; and inputting the test set into the optimal Swin Transform network architecture to carry out carrier roller fault diagnosis, and finally obtaining a carrier roller fault classification result. According to the technical scheme, the problems that existing carrier roller fault diagnosis is based on single-mode information, and information is insufficient and inaccurate are solved, and a foundation is laid for follow-up control and maintenance implementation.

The invention provides an anti-deviation system and method for a mining long-distance two-way conveying belt conveyor. According to the system, a supporting bottom frame is rotatably connected to a machine body rack through a rotating shaft, a carrier roller support is connected with the supporting bottom frame through a lifting support set, and a linear telescopic deviation rectifying mechanism is connected with the supporting bottom frame; the deviation monitoring unit comprises a laser displacement sensor, a tilt angle sensor, a tension sensor, a friction force sensor and a speed monitoring mechanism; the positioning unit comprises a radio frequency tag and a plurality of devices; the method comprises the steps that real-time monitoring operation is conducted through the deviation monitoring unit and the positioning unit, when the deviation working condition occurs, the linear telescopic deviation rectifying mechanism is controlled to conduct telescopic action, and meanwhile the three liftable single supports in the corresponding monitoring sections are controlled to conduct lifting combined action; the rotating action of the supporting bottom frame and the swinging action of the carrier roller support are utilized at the same time to conduct deviation rectifying and adjusting action on a deviated belt. According to the system and the method, efficient and accurate deviation correction adjustment operation can be realized.

The invention belongs to the technical field of conveying equipment, and particularly relates to safety auxiliary coal conveying equipment for coal mine transportation. Comprising a rack, and a crushing assembly and a smoothing assembly are arranged at the upper end of the rack; the crushing assembly comprises a connecting cylinder, a screen, a guide table, a crushing table and the like, the connecting cylinder and the screen shovel up coal briquettes on the conveying belt, large coal briquettes are screened out, the large coal briquettes are conveyed to the crushing table to be crushed through the guide table, and the crushed coal briquettes fall onto the conveying belt; the smoothing assembly comprises smoothing rollers capable of rotating and revolving, and coal briquettes accumulated on the two sides are pushed into the middle of the conveying belt through the smoothing rollers. And the coal briquettes conveyed by the conveying belt are uniform and are not easy to fall off from the conveying belt, so that the safety and the conveying efficiency of the coal briquettes during conveying are improved.

The utility model relates to the technical field of belt conveyors, and discloses a powerful automatic deviation rectifying device for a belt conveyor, which comprises a base, a roller bracket rotationally arranged in the middle of the top end of the base through a supporting column, a deviation rectifying component arranged on one side of the supporting column, a middle roller arranged on the top of the roller bracket, and fixing seats arranged on two sides of the top end of the roller bracket. A mounting seat is rotationally arranged in the fixed seat, a side roller is rotationally arranged in the mounting seat, and an adjusting assembly is arranged in the mounting seat; by means of the arranged adjusting assembly, the angles of the mounting base and the side rollers can be adjusted adaptively, conveying belts of different specifications and sizes can be used conveniently according to needs, the use range is widened, the deviation rectifying effect of the conveying belts is improved, and by means of the arranged deviation rectifying assembly, the supporting columns can rotate, so that the deviation rectifying efficiency is improved. And meanwhile, the rotating roller bracket is driven to rotate and adjust, the middle roller and the side roller at the top of the rotating roller bracket are matched, powerful automatic deviation rectifying operation is conveniently conducted on a conveying belt of the conveyor, and the using effect is good.

A tensionable belt conveyor device (24, 26) for conveying mineral material comprises: - a device frame (30), - a rotatable pulley (36), - an endless conveyor belt (32), - a bearing block (60) which rotatably supports the deflection roller (36) as a tensioning deflection roller (36), and - a tensioning device (34) for displacing the tensioning deflection roller (36) relative to the device frame (30), wherein the tensioning device (34) has a threaded rod arrangement (38). The threaded rod arrangement (38) has a first threaded rod (40) with a first adjusting nut (64) and a second threaded rod (42) with a second adjusting nut (66), wherein the first threaded rod (40) is fixed in a translationally immovable manner to a structure comprising the device frame (30) and the first bearing block (60) as a first fixed structure (58), wherein the other structure in each case is physically supported as a first support structure (68) in the direction of the first fixed structure (58) by the first adjusting nut (64), wherein the second threaded rod (42) is fixed in a translationally immovable manner to a structure comprising the device frame (30) and the first bearing block (60) as a second fixed structure (58), wherein the other structure in each case is physically supported as a second support structure (68) in the direction of the second fixed structure (58) by the second adjusting nut.

The invention belongs to the technical field of grain processing, and particularly relates to a mechanism for preventing packaging bags from being stacked during conveying, which comprises a rack, a conveying assembly, a push plate assembly and a slide carriage assembly, the conveying assembly is installed at the bottom of the rack, the push plate assembly is slidably connected to one side of the top of the conveying assembly, the slide carriage assembly is installed at the joint of the conveying assembly and the rack, and the slide carriage assembly and the push plate assembly are symmetrically arranged with the central axis of the conveying assembly as the center. Rice packaging bags on the conveying assembly are pushed onto the slide carriage assembly through the push plate assembly, the rice packaging bags are pushed to the feeding end of one truck under the action of the slide carriage assembly, and the rice packaging bags continuously conveyed on the conveying assembly can be conveyed to the feeding end of another truck. The discharging efficiency of the rice packaging bags on the conveying assembly can be improved, mutual stacking of the packaging bags is avoided, and the packaging bags are conveyed into a truck in order.

The invention belongs to the technical field of belt conveyors, and particularly relates to an automatic deviation rectifying device for a belt conveyor, which comprises a base, adjusting rods are slidably connected to the two sides of the lower end face of the base, a mounting plate is fixedly connected to the end parts of the adjusting rods, and a plurality of threaded mounting holes are formed in the mounting plate. A bracket is rotationally arranged in the middle of the upper end of the base, a middle roller is rotationally arranged in the middle of the upper end face of the bracket, side rollers are rotationally arranged on the two sides of the upper end of the bracket, and multi-channel lubricating assemblies used for forming lubricating films on the surfaces of the side rollers are arranged on the two sides of the bracket. By means of the multi-channel type lubricating assembly, a layer of lubricating film can be rapidly and evenly formed on the surface of the side roller before the side roller conducts deviation rectification on the conveying belt, then the side roller makes contact with the conveying belt, and therefore the friction force between the side roller and the conveying belt is reduced, the abrasion degree is reduced, and the service life of the side roller and the service life of the conveying belt are prolonged.

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 centering table conveying mechanism with a positioning structure, and relates to the technical field of conveying equipment. The part centering device comprises a rack, a plurality of conveying rollers are installed on the inner side of the rack and are in transmission connection with one another, and a centering assembly is arranged on the lower side of the rack and is matched with a gap between every two adjacent conveying rollers, so that centering treatment is conveniently conducted on parts in the conveying process, and the parts are conveyed rightwards along the center position; and the positioning assembly is arranged on one side of the centering assembly, so that the parts conveyed to the machining areas can be conveniently positioned and clamped, further machining treatment can be conveniently conducted on the parts, and the situation that the positions of the parts deviate, consequently, machining errors are caused, and the quality of the parts is affected is effectively avoided.

The invention relates to the technical field of welding, in particular to a steel member production line which comprises a bottom plate, a plurality of supporting assemblies are arranged on the upper side of the bottom plate, a centering positioning assembly is arranged on the upper side of the bottom plate, a feeding assembly is arranged on the upper side of the bottom plate and used for feeding steel members, and the feeding assembly comprises two self-adaptive clamping assemblies. The automatic butt joint welding assembly is arranged between the two self-adaptive clamping assemblies, the feeding assembly is used for controlling the automatic butt joint welding assembly to conduct automatic butt joint, the oil coating assembly is arranged on one side of the automatic butt joint welding assembly, the oil supply assembly is arranged on the upper side of the oil coating assembly, and the feeding assembly is used for driving the oil supply assembly to conduct continuous quantitative oil supply. By arranging the feeding assembly, the automatic butt-joint welding assembly, the oil coating assembly and the oil supply assembly, the automatic butt-joint welding machine has the functions of automatic butt-joint, automatic feeding, universal feeding, continuous automatic welding, continuous automatic oil coating, automatic continuous oil supply and automatic control.

The utility model discloses an automatic deviation-correcting belt conveyor, comprising a main support frame and a transmission roller, wherein the transmission roller is movably installed inside the main support frame, a driving motor is installed on the side wall of the main support frame on one side of the transmission roller, and the output end of the driving motor is connected to the transmission roller, a driven roller is movably installed on the side of the main support frame away from the transmission roller, a belt body is installed on the surface of the driven roller, and the belt body extends to the surface of the transmission roller, a support plate is installed on the top of the main support frame, a rotating seat is installed on the bottom end of the support plate, and a servo motor is installed on the inner wall of the rotating seat. The utility model not only realizes convenient multi-stage deviation correction of conveyed items and convenient rotation-type adjustment belt deviation correction, facilitates reciprocating centering and straightening output of items and centering elastic clamping deviation correction of belts, but also improves the deviation correction effect.

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 invention discloses a thermal power plant coal conveying belt multistage automatic deviation rectifying device which comprises a rack, a plurality of conveying belt carrier roller mechanisms are fixedly connected to the rack, a conveying belt is connected to the conveying belt carrier roller mechanisms in a sleeving mode, the device further comprises a first deviation rectifying mechanism and a second deviation rectifying mechanism, and the first deviation rectifying mechanism comprises a supporting frame, a coal pushing plate and a second U-shaped frame; the lower end of the supporting frame is fixedly connected with the rack, a first U-shaped frame is fixedly connected to one side of the upper end of the supporting frame, the other end of the first U-shaped frame is fixedly connected with the coal pushing plate, a connecting frame is fixedly connected to the first deviation rectifying mechanism, a through hole is formed in the connecting frame, and an extrusion wheel is rotationally installed in a second U-shaped frame through a shaft. A connecting rod is fixedly connected to the second U-shaped frame, the connecting rod is in sliding fit with the through hole, and the connecting rod is sleeved with a return spring. And a second deviation rectifying mechanism. Through mutual cooperation of the first deviation rectifying mechanism and the second deviation rectifying mechanism, deviation of the conveying belt can be automatically rectified in the normal operation process of the coal conveying belt.

The invention discloses a raw material conveying device for food processing, which relates to the field of conveying technology and comprises: a support frame, a motor is fixedly mounted on the surface of the support frame, a roller is fixedly mounted on the output end of the motor, and a conveyor belt is transmission-mounted on the surface of the roller; an anti-adhesion device, the anti-adhesion device comprises a belt, a brush roller, a short rod, a water tank, a water suction pipe, a nozzle, a circular plate, a cylinder, a connecting rod and a sealing plate, the roller is driven to rotate by the rotation of the motor, and the conveyor belt is driven to rotate by the rotation of the roller, the brush roller is rotationally mounted on the inner wall of the support frame, one end of the belt is transmission-mounted on the surface of the motor, and the other end of the belt is transmission-mounted on the circumferential surface of the brush roller, the short rod is fixedly mounted on the rotating shaft of the brush roller, the surface of the conveyor belt is cleaned and cleared by the rotation of the brush roller, and water is intermittently sprayed by intermittently opening the nozzle, so as to prevent waste caused by continuous water spraying.

The utility model provides a stacker crane and a production line, the stacker crane comprises a fixed frame, a movable frame, a bottom support and a swing assembly, a product stacking position and a product lifting position are arranged in the fixed frame, a forced pushing piece is arranged on the fixed frame, the movable frame and the fixed frame are in sliding fit in the vertical direction, the bottom support is rotatably connected with the movable frame, and the swing assembly is arranged on the bottom support. A product containing position is formed above the bottom supporting support, a bottom opening is formed below the product containing position, the bottom supporting support can rotate around the first rotating axis between the closing position for closing the bottom opening and the opening position for opening the bottom opening, and the swing assembly is rotationally connected with the movable frame. In the initial state, the swing assembly is in limiting fit with the bottom supporting support, and the bottom supporting support is kept at the closed position. When the movable frame moves upwards in the vertical direction relative to the fixed frame, the forced pushing piece applies acting force to the top of the swing assembly, the swing assembly is forced to rotate, the swing assembly applies acting force to the bottom supporting support, limiting between the swing assembly and the bottom supporting support is relieved, and the bottom supporting support rotates around the first rotating axis to the opening position. The stacker crane can achieve stacking of multiple layers of box bodies, and is simple in structure, low in cost and small in occupied space.

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 coal conveying, and discloses coal production and processing conveying equipment which comprises a conveying belt, a driving roller arranged on one side of the conveying belt, a plurality of supporting frames arranged in the middle of the conveying belt, a mounting plate arranged in the middles of the supporting frames and a plurality of transmission rollers arranged on the tops of the supporting frames and distributed in a V shape. The conveying belt drives the transmission rollers to rotate through friction force, the driving parts are arranged on the two sides of the middle transmission roller, and the two vibration parts are arranged in the middles of the two driving parts. The uniformity of the coal can be optimized through the arranged vibration component, the accumulation state of the coal can be broken through continuous vibration, and the coal can be evenly spread on the conveying belt. Particularly, when the coal quantity is large, vibration is enhanced, accumulated coal can be quickly dispersed, local over-thickness or over-thickness is avoided, the stability of subsequent procedures of screening, washing, combustion and the like is ensured, and the overall treatment efficiency is improved.