65results about How to "Achieve vibration" patented technology

The utility model relates to the technical field of impurity separation, and discloses a surfactant impurity filtering and separating device which comprises a supporting assembly, a plugging assembly is detachably installed at the bottom of the supporting assembly, an impurity filtering and separating assembly is movably connected into the supporting assembly, and the impurity filtering and separating assembly is driven by a driving assembly. The supporting assembly comprises a fixed frame plate, and four vertical guide columns distributed in a rectangular shape are fixedly installed in the fixed frame plate. Raw materials to be filtered are placed above the filtering and separating plate, then a control switch of the driving motor is started, and the driving motor drives the rotating plate and the eccentric column to rotate, so that the strip-shaped plate and the filtering and separating plate are driven to do reciprocating rectilinear motion, and vibration of the raw materials on the filtering and separating plate is realized; and after separation, a limiting nut is screwed, the limiting nut is screwed off from a vertical threaded column, at the moment, a plugging plate is opened, and therefore discharging is achieved.

The utility model discloses a chute tube structure for a bulk cargo ship loader, which belongs to the technical field of chute tubes of ship loaders, and comprises a tube body, a traction mechanism, a limiting ring, a clamping mechanism and a vibration mechanism, a plurality of barrels are arranged, each barrel is in a shape with a thick upper part and a thin lower part, and the plurality of barrels are sequentially sleeved from top to bottom; the traction mechanisms are installed on the two sides of the barrel and used for driving the traction mechanisms to be stacked and unfolded. The limiting ring is fixedly mounted at the top of the circumferential inner wall of the barrel; a plurality of groups of clamping mechanisms are arranged, and the plurality of groups of clamping mechanisms are respectively mounted on two sides of the bottom of the barrel body; the vibrating mechanisms are installed at the two ends of the top of the circumferential outer wall of the barrel. The inner wall of the barrel can be cleaned conveniently.

The utility model discloses an outside rear-view mirror test system, which is applied to the technical field of test equipment, and comprises a rack, the top of the rack is fixedly connected with a connecting frame, a mounting frame is arranged between the connecting frame and the rack, and a plurality of supporting springs are arranged between the mounting frame and the connecting frame and between the mounting frame and the rack. A vibrator is arranged at the top of the rack, a rearview mirror to be tested is arranged in the mounting frame, a rubber disc is adsorbed to the top of a mirror surface of the rearview mirror to be tested, and a negative pressure seat is bonded to the top of the rubber disc; according to the utility model, the vibrator is designed on the mounting rack, and the support springs are arranged between the mounting rack and the connecting rack and between the mounting rack and the rack, so that the mounting rack can vibrate between the rack and the connecting rack, and the rearview mirror to be detected mounted on the mounting rack can vibrate; the use durability condition of the automobile rearview mirror in a real-time road condition is simulated, and the test accuracy is improved.

The utility model discloses a sewing machine head casting mold which comprises an oscillation box, two sets of sliding grooves are formed in the bottom end of the oscillation box, the outer side wall of a sliding rod is connected with a sliding block in a sliding mode, one end of the sliding block is fixedly connected with a buffering spring, and the buffering spring is arranged on the outer side wall of the sliding rod in a sleeved mode. The buffer springs and one ends of the sliding blocks are fixedly connected with fixing blocks, the fixing blocks are fixedly connected to the outer side walls of the sliding rods, two sets of supporting telescopic rods are arranged above the sliding rods, the outer side walls of the supporting telescopic rods are sleeved with supporting springs, the bottom ends of the supporting springs are fixedly connected with the top ends of the sliding blocks, and an outer mold is arranged above the supporting springs. The bottom end of the outer mold is rotationally connected with the top end of the supporting telescopic rod. When the device is used, a space for vertical vibration of the outer mold is provided through cooperation of the supporting telescopic rods and the supporting springs, a space for left-right vibration of the outer mold is provided through cooperation of the fixing blocks, the buffer springs and the sliding blocks, and therefore vibration of the outer mold is achieved, and molten metal in the outer mold is more uniform.

The utility model discloses a kind of biogas slurry treatment devices, it relates to biogas slurry processing technical field, comprising: cleaning mechanism, set in the support frame, for the biogas slurry solid matter accumulated on filter screen is cleaned, avoid to filter screen is blocked, influence filter screen filtering effect;Cleaning plate is used to clean biogas slurry solid matter;Cleaning block, set on the cleaning plate, with cleaning plate fixed connection;Cleaning groove, set up on the cleaning block;Vibration mechanism, set in the support frame, for filter screen is vibrated, so that filter screen is more quickly filtered;By setting cleaning mechanism, cleaning block and cleaning groove, it is cleaned to the biogas slurry solid matter accumulated on filter screen, avoid filter screen to be blocked, influence filter screen filtering effect;By setting vibration mechanism, it is realized to filter screen is vibrated, avoid the hole on filter screen to be blocked, influence filter screen filters.

The invention relates to the technical field of plastic material forming, in particular to a homogenizing and coating assembly in the diffusion plate production process and an operation method thereof.The homogenizing and coating assembly comprises a main mounting frame, side mounting frames are fixedly mounted on the two sides of the main mounting frame, three sets of fixing bases are arranged on the main mounting frame, lifting bases are movably mounted on the side mounting frames, and the lifting bases are movably mounted on the side mounting frames; the lifting base corresponds to the fixed base located above, coating can be conducted in different areas of the diffusion plate at the same time through the discharging pipes with the corresponding number, coating materials are distributed more evenly in the width direction, and therefore the consistency of the optical performance of the diffusion plate is guaranteed. And the coating of one diffusion plate can be completed by a single discharge pipe for a long time, and the plurality of discharge pipes can cover the whole surface of the diffusion plate in a short time, so that for enterprises producing the diffusion plates on a large scale, the production efficiency can be effectively improved, the production cost can be reduced, and the large demand of the market on products can be met.

The utility model relates to iron tailings sand particle screening technical field discloses a dustproof iron tailings sand particle screening device, including base and fixed box, the top fixedly connected with fixed box of base, the inside of fixed box is provided with collecting box, the front end fixedly connected with handle of collecting box, the both sides fixedly connected with side plate of base top, the top between side plate fixedly connected with fixed frame, the both sides fixedly connected with fixed block of fixed frame front end, the rear end swing joint has dust cover of fixed frame top, this dustproof iron tailings sand particle screening device is set up with fixed frame, fixed block, dust cover, feed inlet, positioning buckle, and dust cover is turned to lower, and positioning buckle is buckled outside fixed block, and the feed inlet of dust cover can put into screen frame gravel, so that dust is not easy to fly everywhere when screening, solves the problem that dust is easy to fly everywhere in the screening process.

The utility model relates to the technical field of agricultural production equipment, in particular to a portable crop seed coating and dressing device, which is characterized in that two support shafts are arranged left and right and are screwed and penetrated on a rack through bearings, two support frames are respectively and fixedly arranged at the upper ends of the two support shafts, and the two support frames are arranged in parallel; the two supporting rods are fixedly arranged on the two supporting frames respectively, the two supporting sleeves are arranged on the two supporting rods in a sleeving mode respectively, the side walls of the supporting sleeves movably abut against the side walls of the supporting frames, the two ends of the supporting base are rotationally connected to the supporting sleeves on the two sides through rotating shafts respectively, and the material shaking disc is arranged on the supporting base. The mesh screen is arranged above the material shaking disc; by arranging the manual driving transmission device and the shaking structure with the limiting function, the seed dressing device can be used under multiple conditions, and due to the fact that the structure is simple, the device is high in light weight degree, convenient to carry and suitable for seed dressing processing of a small amount of seeds.

The utility model provides a tea leaf cleaning mechanism which comprises a cleaning pool, a water outlet is formed in the inner bottom end of the cleaning pool, multiple sets of bubbling pipes are installed at the inner bottom end of the cleaning pool through an installation plate, bubbling machines communicated with the multiple sets of bubbling pipes are fixedly installed at the bottom end of the outer wall of the cleaning pool, and spraying heads are fixedly installed on the inner wall of the cleaning pool. Supports are fixedly mounted at the four corners of the inner wall of the cleaning pool, inserting grooves are formed in the top ends of the four supports, and magnetic blocks are fixedly mounted at the inner bottom ends of the inserting grooves. Through cooperative use of the eccentric wheel, the rotating shaft and the driving mechanism, the placing assembly can vibrate in the cleaning pool, impurities on the surfaces of tea leaves are cleaned through cooperative use of the bubbling machine and the bubbling pipe, and through cooperative use of the magnetic block and the rectangular column, the impurities on the surfaces of the tea leaves are cleaned through cooperation of the dead weight of the placing assembly and the magnetic force attracted by the magnetic block. In this way, the placing assembly vibrates up and down in the cleaning pool, and the cleaning efficiency is improved.

The invention belongs to the technical field of spraying equipment, and discloses a spraying system for industrial waste gas treatment, the spraying system comprises a bottom box and a tank body fixed above the bottom box, a spraying pipe is fixed in the tank body in a penetrating manner, a plurality of branch pipes are fixedly mounted on two sides of the spraying pipe, a plurality of fixing cylinders are fixedly mounted at the bottoms of the plurality of branch pipes, and the fixing cylinders are fixedly mounted on the bottom box. Clamping grooves are formed in the multiple fixing cylinders, nozzle assemblies are mounted in the multiple clamping grooves, each nozzle assembly comprises a mounting cylinder, and a connecting assembly is arranged on the outer side of each mounting cylinder; the connecting assembly comprises a sliding ring arranged on the outer side of the mounting cylinder in a sliding and sleeving mode and a plurality of clamping blocks arranged in a circumferential array mode, and the multiple clamping blocks are in sliding fit with the clamping groove. Mounting and dismounting of the nozzle assembly are completed through the connecting assembly, tools are not needed, operation is easy, efficiency is high, and maintenance and replacement of the nozzle assembly are facilitated.

This utility model relates to the field of mining solid waste treatment technology, and more particularly to a mining solid waste recycling device, including a crushing box. The top and side walls of the crushing box are open, and grooves are provided on both sides of the interior of the crushing box. This utility model, by setting up a receiving box, utilizes a driving mechanism to vibrate it, which, in conjunction with the crushing mechanism, crushes the gravel inside the receiving box until the volume of the crushed waste reaches or is smaller than the size of the circular hole, allowing it to pass through. This process is repeated until all solid waste successfully passes through the receiving box and falls down, thus achieving the goal of recycling solid waste with approximately the same volume, reducing subsequent processing steps, and facilitating direct use. Solid waste may clog the circular hole when passing through; in this case, a cleaning mechanism can be used to clean the circular hole, reducing the phenomenon of low work efficiency caused by blockage.

This invention relates to the field of glass manufacturing, specifically disclosing an apparatus and method for manufacturing electrofused quartz glass. The apparatus includes a support frame, a melting component mounted on the support frame, a clamping component mounted on the melting component, a clamping component within the support frame, and a limiting component adapted to the clamping component on the melting component. A actuating component for moving the clamping component is disposed between the clamping component and the limiting component. This invention enables simultaneous installation of the melting and vibrating portions of the melting component, and asynchronous disassembly of the melting and vibrating portions during disassembly. Furthermore, vibration treatment is performed before the melting stage to reduce gaps and air bubbles, improving product quality. During cooling and demolding, uniform vibration of the melting component facilitates product removal, achieving a synergistic effect between the vibration and cooling / demolding processes, thereby maximizing the efficiency of the structural design.

The utility model relates to a coal dressing device, in particular to combined type coal dressing equipment. After coal is screened by traditional combined coal preparation equipment, pulverized coal falls on a conveying plate, and water is added in the coal screening process to reduce dust raising, so that the pulverized coal is easily accumulated on the conveying plate, and then discharging is unsmooth. The device comprises a protective shell, the outer side of the protective shell is fixedly connected with a right supporting shell, the outer side of the right supporting shell is fixedly connected with a motor through a support, the output end of the motor is fixedly connected with an eccentric rotating disc, the side face of the eccentric rotating disc is rotatably connected with a supporting shaft, and the upper end of the supporting shaft is slidably connected with a connecting sliding block; the side face of the connecting sliding block is fixedly connected with a right vibration supporting plate. The eccentric rotating disc drives the supporting shaft to reciprocate, so that the connecting sliding block drives the right vibration supporting plate to reciprocate, the screening plate is driven to reciprocate, and coal mine screening by the screening plate is achieved.

The utility model relates to the field of gasification furnaces, and discloses a dry-type deslagging biomass gasification furnace which comprises a gasification furnace main body, a dismounting assembly is mounted on the lower side of the gasification furnace main body, a vibration assembly is mounted at the bottom of the gasification furnace main body, and the dismounting assembly comprises a side door and a frame. The exterior of the side door is rotatably connected to the exterior of the gasification furnace main body, the exterior of the frame is fixedly connected to the exterior of the gasification furnace main body, an insertion rod is slidably connected to the interior of the frame, an insertion hole is formed in the middle of the insertion rod, a sliding plate is fixedly connected to the right side of the insertion rod, and a first spring is fixedly connected to the right side of the sliding plate; and the top of the frame is slidably connected with a stop lever. According to the side door opening device, the inserting rod is pulled to drive the sliding plate to compress the spring I, so that the inserting rod is separated from the side door, and meanwhile, the stop lever automatically falls down and is inserted into the inserting hole, so that the side door can be quickly opened, tailings in the gasification furnace main body can be conveniently cleaned, and the operation is convenient and labor-saving.

The invention discloses an all-terrain vehicle drive assembly device, belonging to the technical field of vehicle accessories. The all-terrain vehicle drive assembly device includes a bridge housing, a transmission, a transmission shaft, a fixed flange, an extension sleeve, a rigid sleeve, a bolt, and a pressure plate. The other end of the bolt is threaded with a nut; a damping structure is installed on the end surface of the fixed flange and the end of the connecting flange. The damping structure is used to generate a damping force for the tangential direction movement of the bolt around the axis of the connecting flange. In the present invention, when the bolt is subjected to a shear force, the bolt will generate a force on the rigid sleeve, and the force is transmitted to the extension sleeve, which is extended by the extension sleeve, so that the bolt is buffered when subjected to the shear force. In addition, by setting a damping structure, the damping structure generates a damping force on the rigid sleeve. In this way, after the rigid sleeve is subjected to the extrusion force of the bolt and generates an extrusion on the extension sleeve, the damping force of the rigid sleeve can be buffered by the damping structure, thereby reducing the extrusion wear of the extension sleeve.

The utility model provides an automatic solid fuel crushing feeder, which belongs to the technical field of feeders and comprises a feeder body, the top of the feeder body is communicated with a feed hopper, a crushing roller is rotatably connected in the feeder body, a sieve plate is slidably arranged in the feeder body between the crushing roller and the feed hopper, and first sliders are oppositely arranged on two sides of the sieve plate. A sliding groove allowing the first sliding block to slide is formed in the feeding machine body in a penetrating mode, a vibration assembly driving the first sliding block to vibrate is arranged outside the feeding machine body and comprises a supporting block which is fixed to the feeding machine body, the supporting block is rotationally connected with a rotating shaft, the rotating shaft is sleeved with a cam abutting against the first sliding block, and the rotating shaft is sleeved with a belt pulley. The rotating shafts are driven by a second motor, and adjacent belt wheels are connected through a conveying belt. By arranging the vibration assembly, the screen plate and the first sliding block, the vibration assembly drives the first sliding block to move up and down to achieve vibration of the screen plate, impurities of the solid fuel can be conveniently screened through the screen plate, and later combustion use of the solid fuel is improved.

This utility model relates to the field of grain processing technology and discloses a grain processing impurity removal and destone removal machine, including an impurity removal box. An installation frame is slidably connected to the inner wall of the impurity removal box, and a second screen plate is fixedly connected to the bottom of the installation frame. In use, material is added to the movable frame through a feed hopper. The output shaft of the motor rotates, driving a cam to rotate. When the cam rotates, it pushes a U-shaped frame, causing the U-shaped frame to move. The movement of the U-shaped frame causes the installation frame and the movable frame to move, and the second screen plate screens the material. During the movement of the movable frame driven by the installation frame, the movable frame drives the movable column and the rotating wheel to move. When the rotating wheel moves to contact a protrusion, the protrusion pushes the rotating wheel, causing the movable column to drive the movable frame to move. When the rotating wheel is no longer in contact with the protrusion, the first spring resets, causing the movable frame to reset, thereby achieving vibration of the first screen plate, improving screening efficiency and impurity removal and destone removal efficiency.

The invention provides a mobile phone shooting module testing device which comprises a main shell, a control mainboard is fixedly connected in the main shell through a fastener, a connecting groove is formed in the top side of the main shell, a rotating disc is installed on the inner side of the connecting groove, a motor is fixedly installed in the main shell, and a driving square rod is fixedly installed at the output end of the motor. A through hole allowing the driving square rod to pass through is formed in the bottom side of the connecting groove, a rotating seat is fixedly installed on the bottom side of the rotating disc, and a connecting square hole capable of being connected with the driving square rod in a matched mode is formed in the rotating seat; a first magnetic suction piece is fixedly bonded to the top side of the rotating disc, and a shooting picture is installed on the top side of the rotating disc. Through the cooperation of the rotating rod and the rotating disc, the rotating disc and a shot picture can be driven to move flexibly, so that the snapshot performance of a mobile phone is tested; through the cooperation of the NFC card reading circuit module and the NFC tag, the NFC tag can be identified, and audio can be played through the MP3 module.

This invention relates to a rapid clothes drying device based on hot air circulation and its working method, belonging to the technical field of drying equipment. It includes a shell, with a vibration unit installed inside the shell, and an air circulation drying unit hung on the side wall of the shell. Clothes are hung on the vibration unit, and the air circulation drying unit draws in air from inside the shell, dries and heats it, and then blows it into the shell from the top. The air circulation drying unit consists of a heating chamber with evenly distributed air outlets on its bottom surface, located above the vibration unit. A fan is installed on the top of the heating chamber, and an air supply pipe is installed on the top of the fan. A drying unit is installed on the air inlet side of the air supply pipe, with its air inlet connected to the inside of the shell and its air outlet connected to the air supply pipe. This invention vibrates the clothes on the hanger, preventing them from sticking together and increasing the drying area. The vibration accelerates the removal of moisture from the clothes. The drying unit on the air supply pipe ensures that the air is dry during the drying process, guaranteeing efficient drying of the clothes.

The utility model discloses a dust removal structure of a mining low-voltage switch cabinet, which relates to the technical field of cabinet dust removal, and comprises a mounting frame and a filter plate, a plurality of limiting strips are fixedly connected in the mounting frame, the limiting strips are distributed in a linear array, the filter plate movably penetrates through the limiting strips, and the filter plate is fixedly connected with the mounting frame. And through grooves used for installing the limiting strips are formed in the top of the installing frame, and connecting strips are movably connected to the two sides of the installing frame correspondingly. Dust falls into the dust collection box under the action of self gravity through the driving assembly, the dust collection box is pulled out to conveniently pour away the dust in a unified mode, the cleaning block and the cleaning frame are arranged on the two sides of the mounting frame, and the cleaning block and the cleaning frame are controlled to reciprocate on the surface of the filter plate for several times, so that the cleaning efficiency is improved. Dust on the surface of the filter plate can be intensively cleaned into the dust collection groove, so that the dust is effectively intensively treated, the filter plate is prevented from being blocked by the dust, the service life of the filter plate is prolonged, and the replacement frequency of the filter plate is reduced.

The invention relates to the technical field of dust removal, and discloses a dust removal device for weak current equipment, the dust removal device comprises a box body and a filter plate, the top of the box body is provided with an exhaust hole, the filter plate is provided with a plurality of filter holes along the length direction of the filter plate, the inner walls of the two sides of the box body are vertically provided with chutes, and the filter plate is slidably connected with the chutes; rotating shafts are rotationally connected to the positions, located on the two sides of the filter plate, in the box body, a plurality of flexible cleaning layers are arranged on the rotating shafts in the axial direction of the rotating shafts, and the flexible cleaning layers are located on the motion trail of the filter plate; the power mechanism is used for driving the filter plate to do vertical reciprocating motion; the driving mechanism is used for driving the two rotating shafts to rotate at the same time; and the introducing mechanism is used for introducing air into the box body. The scheme mainly solves the problem that a filter screen in an existing dust removal device is easy to block.

This utility model discloses a high-efficiency combustion-supporting blower for an incinerator, relating to the field of incinerator technology. It includes: a flue pipe, fixedly connected to a support frame; a blower, fixedly connected to the support frame; a connecting pipe, fixedly connected to the blower; a reciprocating mechanism, mounted on the support frame, for uniformly blowing air into the support frame to ensure more complete waste combustion; and a vibration mechanism, mounted inside a collection frame, for vibrating the support frame to cause the burned ash to fall into the collection frame. By incorporating the reciprocating mechanism, blower, and connecting pipe, uniform airflow is achieved within the support frame, resulting in more thorough waste combustion. The vibration mechanism also ensures that the burned ash falls into the collection frame, preventing dust accumulation and ensuring proper waste combustion.

The utility model provides an injection molding raw material screening device, belongs to the technical field of injection molding, and solves the problems that dust can be generated in the vibration screening process of raw materials, and the product quality can be influenced when the dust is mixed with the raw materials for injection molding. The injection molding raw material screening device comprises a box body, a screen plate is slidably connected in the box body, an inclined plate is fixed below the screen plate in the box body, a vibration mechanism is arranged between the box body and the screen plate, a scraping plate is slidably connected to the box body, a dust collection mechanism is arranged on the scraping plate, a cover plate is detachably arranged on the box body, a feeding port is formed in the cover plate, and a discharging port is formed in the box body. And a baffle plate is detachably arranged on the discharge hole. The raw material vibration screening device has the advantage of cleaning dust and chippings generated by raw materials in the vibration screening process.

The filament feeding assembly based on automatic assembly comprises a rotary assembly table, a control panel is embedded in the rotary assembly table, and adsorption plates with adsorption holes formed in the middle of the bottom face are evenly distributed on the rotary assembly table; according to the invention, on one hand, material selection is carried out in advance during conveying of the double-helix-structure lamp filament, and then a synchronous assembly interval with the lamp holder is set, so that continuous combined assembly is formed between the double-helix-structure lamp filament and the lamp holder structure, regular feeding between the double-helix-structure lamp filament and the lamp holder structure is ensured, and the phenomenon of assembly missing caused by material falling is avoided; on the other hand, the twisted filaments are separated before feeding of the double-helix filaments, so that the double-helix filaments can be fed at a constant speed to facilitate regular proceeding of subsequent feeding; and the automatic assembly of the lamp filament and the lamp holder is jointly completed by taking intelligent feeding control of an integrated module as a main part and taking constant-speed regular feeding as an auxiliary part.

The utility model discloses a three-degree-of-freedom multi-dimensional vibrating screen, relates to the field of vibrating screens, and aims to solve the problems that a vibrating screen in the prior art can only drive a screen frame to vibrate on an XY plane, the screening efficiency is lower, and the quality is poorer, the adopted technical scheme is that the three-degree-of-freedom multi-dimensional vibrating screen comprises a screen shoe and the screen frame, the screen frame is arranged below a feed port, and a screen mesh is arranged on the screen frame; the screen frame is hinged to the screen shoe through an air damper, a vibration motor is further arranged on the screen frame, a connecting block is further arranged on the screen frame, and a horizontal spring and a suspension damping spring are arranged between the connecting block and the screen shoe. The plane vibration motor is matched with the horizontal spring, so that vibration on an XY plane can be realized, and rotation in the Z-axis direction can be realized under the support of the air damper; the side wall of the screen frame is connected with the material guiding piece through the pin shaft, the material guiding piece is arranged between the screen frame and the feeding port, it can be guaranteed that materials to be screened from the feeding port accurately fall on the screen cloth of the screen frame, and the situation that the materials are scattered due to vibration of the screen frame is avoided.

The three-way viscous damper comprises an upper connecting plate, a lower connecting plate, a load adjusting ring and a setting spring, the upper connecting plate is connected with a piston, the lower connecting plate is connected with a cylinder body, the piston is inserted into the cylinder body, a damping agent is filled between the piston and the cylinder body, and the load adjusting ring is connected with the outer side of the cylinder body in an up-down moving mode. The setting spring is sleeved on the outer side of the cylinder body, one end of the setting spring abuts against the upper connecting plate, and the other end of the setting spring abuts against the load adjusting ring. The supporting force can be adjusted, during pipeline treatment, the supporting force is adjusted to support accessories such as an anti-vibration pipe clamp, the situation that the self weight of the accessories such as the anti-vibration pipe clamp exerts extra load burden on a pipeline is prevented, and the hidden danger that the pipeline is damaged is avoided.

The utility model belongs to the field of wastewater treatment, and discloses a device for removing total nitrogen in wastewater, which comprises a pretreatment tank, a filter component for filtering treatment is arranged in the pretreatment tank, and the right side surface of the pretreatment tank is connected with an electric catalytic oxidation component through a first connecting pipe; the electrical catalytic oxidation assembly is connected with a biological denitrification assembly through a second connecting pipe. The filter assembly comprises two filter plates, and the bottom surfaces of the filter plates are in contact with the bottom of the inner wall of the pretreatment tank. According to the device, large-particle impurities in wastewater can be intercepted through the arranged filtering assembly, the subsequent wastewater treatment work is prevented from being influenced, and particularly, through the arranged second rubber connecting body, hollow pipe, limiting block, spring, connecting column and connecting rod, the large-particle impurities in the wastewater can be blocked in the process that the wastewater impacts the filtering plate; self-vibration of the filter plate is realized, and blockage is avoided.

The utility model relates to the technical field of ash conveying system filtration, in particular to an ash conveying system sundry cleaning device for boiler maintenance, which comprises a tank body, an ash conveying system, an ash conveying system, an ash conveying system and an ash conveying system, and is characterized in that a limiting ring is fixedly arranged on the inner side wall of the tank body; the conical filter screen is arranged on the inner side wall of the tank body in a sliding manner; the turntable is rotationally arranged on the inner side wall of the tank body; the vibration assembly is arranged on the side wall of the rotary disc, and the vibration assembly and the conical filter screen are fixed. When sundries cover the surface of the conical filter screen, the angle between the sundries and airflow can be changed through rotation of the conical filter screen, and the surface of the conical filter screen is cleaned through the airflow; and in the rotating process of the rotating shaft, vibration of the rotating shaft can be achieved through the vibration assembly, then vibration of the conical filter screen is achieved, and the cleaning effect of impurities on the surface of the conical filter screen is further improved.

The utility model relates to a rock crushing device for tunnel construction, and belongs to the technical field of tunnel construction. The device aims at solving the problems that an existing rock crushing device is single in function, and ring cutting and crushing cannot be achieved at the same time. According to the technical scheme, the equipment comprises an equipment shell, a power mechanism, a rotating ring, an annular cutting mechanism, a vibration crushing mechanism and a hydraulic mechanism. The driving motor is started to drive the rotating ring to rotate, and then the annular cutting mechanism is driven to annularly cut the rock to form holes; and the hydraulic mechanism drives the vibration crushing mechanism to crush rocks in the holes. The annular cutting mechanism achieves annular cutting through a buffer rod and an annular cutter, and the vibration crushing mechanism achieves crushing through a vibration hammer and crushing teeth. The device disclosed by the utility model integrates the functions of ring cutting and crushing, so that the construction efficiency is improved, and the construction cost and time are reduced.