2538 results about "Rotating drum" patented technology

The invention relates to the technical field of bridge steel plate welding, and discloses bridge steel plate welding equipment facilitating feeding and discharging, feeding and discharging conveying mechanisms are arranged on welding table bodies, alignment mechanisms are arranged on the welding table bodies, and a sliding rail structure is arranged between the two welding table bodies; two sets of fixing mechanisms with lifting functions are arranged at the lower end of the sliding track structure, a welding mechanism is arranged on the inner side of the sliding track structure, a tensioning assembly is arranged on the upper portion of the welding mechanism, and a driving assembly is arranged on the connecting face of the welding mechanism and the track. According to the welding device, plates can be welded through the plasma welding gun, driving wheels in the driving assembly can enable the welding mechanism to move along the sliding rail structure, so that thick steel plates such as bridge steel plates are welded, the vertical position of the welding gun can be adjusted through the fixing mechanism and the lower rotating cylinder, and the welding effect is improved.

Apparatus for real time water content and water cement monitoring on a ready-mix concrete truck includes at least one real time moisture measurement module or sensor configured tosense continuous real time moisture measurements of a batch of wet cement loaded into a rotating drum of a ready-mix concrete truck; andprovide signaling containing information about the continuous real time moisture measurements sensed.The apparatus may include either a hatch door of the rotating drum of the ready-mix concrete truck, or the rotating drum of the ready-mix concrete truck, or the ready-mix concrete truck itself.

The invention discloses a drilling and grinding integrated combined machining device for hardware machining, and relates to the technical field of hardware machining, the drilling and grinding integrated combined machining device comprises an operation table, a supporting arm is arranged at the top of the operation table, a lifting device for lifting is arranged on the outer side of the supporting arm, drilling equipment is fixedly connected to the outer side of the supporting arm, and a drilling rod is arranged at the bottom of the drilling equipment; the fixing frame is fixedly connected to the top of the operation table, a through groove is formed in the top of the fixing frame, a rotary drum is fixedly connected to the bottom of the fixing frame, and a plurality of fixing frames are arranged in the rotary drum, so that the situation that an outer side material curls along a drill bit edge belt to form burrs in the plate drilling process of the drill rod is avoided; the mounting frame and the flattening piece rotate around the hole diameter of the plate under the action of the transmission piece, the flattening piece continuously pushes towards the middle of the hole diameter, the plate at the hole diameter expanding outwards is pushed towards the middle, and supporting is guaranteed when the plate is drilled.

The present invention relates to the field of plastic recycling technology, and specifically to a device for recycling and processing excess waste from plastic production, comprising: a cleaning box; a cleaning mechanism for cleaning plastic waste; a pre-treatment mechanism for treating the plastic waste before cleaning; the cleaning mechanism comprising: a rotating drum rotatably installed in the cleaning box, a power source for driving the rotating drum to rotate, a rotating plate fixedly connected to the end of the rotating drum, a stirring plate fixedly installed on the rotating drum, a cleaning member installed on the stirring plate, and a flushing assembly for flushing the plastic waste. In the present invention, through the provision of the cleaning mechanism, the plastic waste can be stirred, flushed, and brushed, thereby achieving multiple cleanings of the plastic waste, greatly improving the cleanliness of the plastic waste, and solving the problem that the existing cleaning methods all have the problem of incomplete cleaning to varying degrees, affecting the reprocessing quality and utilization rate of the plastic waste.

The invention discloses a centrifugal system adaptive to bottom extraction, and relates to the technical field of solid-liquid separation, and the centrifugal system adaptive to bottom extraction is characterized by comprising a centrifugal machine main body, a rotating drum is arranged in the centrifugal machine main body, and a bottom extraction device is arranged at the bottom of the rotating drum; the dynamic sealing structure is arranged between the bottom extraction device and the rotary drum and used for keeping the sealing performance in the centrifugal process and preventing material leakage; the modular interface is connected with the bottom extraction device and the material collection container, so that quick replacement and adaptation to components of different specifications are facilitated; and the automatic control system comprises a sensor module, a PLC (Programmable Logic Controller) and a remote monitoring module, and is used for monitoring parameters including the rotating speed, the temperature and the pressure in the centrifugal process in real time and realizing automatic control.

The invention is suitable for the technical field of powder metallurgy and advanced ceramic material sintering equipment, and provides an integrated flash sintering device for vacuum and a sintering method. The device comprises a power supply module, a high vacuum module, a first servo hydraulic machine, a second servo hydraulic machine, a third servo hydraulic machine, a mold rotation switching module, a vacuum feeding module, a green body pressing module, a demolding and mold cleaning module and a mold transfer module. According to the invention, an integrated gear tray design is adopted to integrate the functions of die installation, graphite paper treatment and green body pressing, and online synchronous cleaning of an electrode and a die is realized through die fixation and a cleaning brush arranged in a cleaning drum; therefore, full-automatic, high-efficiency and high-stability continuous production of flash sintering from powder filling to finished product collection is realized.

Wind turbine with adjustable rotor blade angle, characterized in that it comprises: a mounting assembly, the mounting assembly comprising a base (11), a sleeve (12) and a rotating drum (13), the sleeve (12) being mounted on the base (11) and the rotating drum (13) being rotatably mounted on the upper end of the sleeve (12); a plurality of rotor blade assemblies (2), the plurality of rotor blade assemblies (2) being arranged at intervals along the circumference of the rotating drum (13), one end of each rotor blade assembly (2) projecting into the rotating drum (13); an angle adjustment assembly, wherein the angle adjustment assembly comprises a wind speed detecting device (31), a drive mechanism and an angle adjustment mechanism (33), wherein the wind speed detection device (31) is arranged on the outer wall of the rotating drum (13), and wherein the drive mechanism is arranged in the mounting assembly and the wind speed detection device (31) is in signal communication with the drive mechanism, and wherein the angle adjustment mechanism (33) is arranged in the mounting assembly, the power input end of which is connected to the drive mechanism, while the power output end of which is connected to an end of the rotor blade assembly (2) that projects into the rotating drum (13).

The invention relates to the technical field of sewage treatment, in particular to a scraper for wastewater treatment and an air floatation device, the scraper comprises a skimming assembly, a rotary drum, two groups of scrapers arranged on the rotary drum, and moving parts arranged on the scrapers; the moving part comprises a groove formed in the scraper, sliding grooves formed in the two side walls of the groove, a moving plate arranged on the groove, a movable groove formed in the bottom of the moving plate and a spring part arranged at the bottom of the moving plate. The movable plate is attached to the top of the scraping plate to move under the elastic potential energy of the spring piece; according to the skimming assembly, the moving plate is driven to rotate in a dynamic form in the rotating and scum scraping process of the scraping plate, and the problem that a large amount of water is synchronously brought into a collecting device when the skimming assembly scrapes and collects scum is solved.

The invention discloses a wire fixing device for an electric power line maintenance tower, which comprises a fixing assembly and a wire clamping assembly, the wire clamping assembly and the fixing assembly are correspondingly installed on a vertical rod up and down, the wire clamping assembly comprises a first sliding block, a first rotating drum and a supporting plate, the first sliding block is vertically and adjustably installed on the vertical rod, and the first rotating drum is installed on the supporting plate. The first rotating drum is horizontally and rotatably arranged on the first sliding block in a sleeving manner and is fixed through a first locking piece; the supporting plates are horizontally and fixedly arranged on the two sides of the first rotary drum. A corresponding clamping plate is horizontally arranged on the supporting plate, and a wire clamping connecting piece is arranged between the supporting plate and the clamping plate; the fixing assembly is fixedly connected to the cross arm. The device can stably support and fix the wire during operation and maintenance of the electric power line maintenance tower, so that the operation and maintenance convenience and the maintenance operation efficiency of the electric power line maintenance tower are remarkably improved.

The utility model discloses an automatic cigar and packaging tube blanking mechanism which is installed on the upper portion of a roller type conveyor and comprises a cigar storage bin and a packaging tube storage bin, and the cigar storage bin and the packaging tube storage bin are arranged on the roller type conveyor in a left-right crossed mode. The bottom of the cigar storage bin and the bottom of the packaging tube storage bin are provided with two oppositely-inclined bottom plates, a discharging port is formed between the two bottom plates and corresponds to a conveying belt of the roller type conveyor, a rotary drum is rotationally installed in the discharging port, and a plurality of material grooves are evenly formed in the outer edge of the rotary drum in the axial direction and are parallel to rollers of the roller type conveyor. Cigars and packaging pipes in the cigar storage bin and the packaging pipe storage bin are taken out through rotation of the rotary drum and the material groove, the cigars or the packaging pipes in the material groove are limited through the arc-shaped baffle, the cigars or the packaging pipes do not fall off in advance, and therefore it is guaranteed that the cigars or the packaging pipes accurately fall into the limiting groove of the roller type conveyor in a correct posture.

The present invention relates to the technical field of pipe bending and provides a bending machine with adjustable angle of building pipes, comprising an inner rotating module, an outer rotating module, a double rotor group, a radial adjustment module, and an adjustable bending module, wherein the inner rotating module comprises an inner core body, the outer rotating module comprises a rotating mother ring, the inner core body is movably arranged in the rotating mother ring, the double rotor group comprises a double rotating drum rotating around its respective axes, the radial adjustment module comprises a telescopic cylinder 1 and a single rotating drum, the telescopic cylinder 1 is fixedly arranged in the rotating mother ring, the single rotating drum is connected to the telescopic cylinder 1, the inner walls of the double rotating drum and the single rotating drum are both provided with limiting protrusions, the adjustable bending module comprises an integrated bending mold and an adjusting component, the integrated bending mold comprises a pin shaft, roller 1, roller 2, roller 3 and a limiting groove, the adjusting component is connected to the pin shaft, roller 1, roller 2 and roller 3 are all fixedly sleeved on the surface of the pin shaft, and has the characteristics of diverse functions, wide range of applications and easy use.

The invention relates to the technical field of fin production and processing equipment, in particular to a fin production line uncoiling mechanism which comprises a rack, a rotary drum, an uncoiling assembly and a material guide assembly. The uncoiling assembly is used for pulling raw materials of a material coil and located at one end of the rack. The rotating drums are used for assembling material coils, the two rotating drums are rotationally arranged on the rack, and the two rotating drums are sequentially arranged on the side, away from the uncoiling assembly, of the rack; the material guiding assembly is used for guiding the free end of the feeding coil, away from the uncoiling assembly, of the rotary drum to bypass the rotary drum close to the uncoiling assembly, and the material guiding assembly is arranged at the bottom of the rack. The fin uncoiling mechanism has the advantages that the problem of long shutdown time between two times of uncoiling operation in the fin uncoiling mechanism is solved, and the production line efficiency is improved.

The invention relates to the technical field of yellow phosphate rock powder clustering, in particular to yellow phosphate rock powder clustering equipment which comprises a base, a support is fixedly mounted at the top of the base, and spherical rotary drums are rotatably connected to the two sides of the inner wall of the support in a penetrating mode; a storage cylinder is fixedly mounted at the top of the support, a connecting pipe is rotatably connected into the storage cylinder in a penetrating mode, a quantifying cylinder is fixedly connected to the bottom of the connecting pipe, and a discharging assembly is arranged at the bottom of the quantifying cylinder. By arranging a quantitative barrel, a first through groove, a second through groove and a discharging assembly, the quantitative barrel is rotated to enable the first through groove to be aligned with the second through groove, an adhesive enters a connecting pipe through the first through groove and the second through groove, then the adhesive enters the quantitative barrel, scale marks are arranged outside the quantitative barrel, and after the liquid level in the quantitative barrel reaches a proper value, the adhesive is discharged. The quantitative barrel is rotated to enable the first through groove and the second through groove to be staggered, and the adhesive is quantitatively discharged into the spherical rotating barrel through the discharging assembly, so that the adding amount of the adhesive is controlled, and the agglomeration quality of the yellow phosphate rock powder is improved.

The utility model belongs to the technical field of separating devices, and relates to an oil-liquid separating device of a numerical control grinding machine tool, which comprises a separating cylinder, a filtering device, a machine frame and a separating motor, the separating cylinder is arranged on the lower portion of the machine frame, an oil-liquid tank, a rotating drum and a rotating shaft coaxial with the separating cylinder are arranged in the separating cylinder, and the lower end of the rotating shaft is connected with the separating motor. The oil liquid tank is coaxially suspended in the separation barrel, the filtering device is arranged above the oil liquid tank and comprises a filtering box, an electric heating strip, a magnetic stirring rod and a stirring rotating shaft, a filtering net disc is arranged at the bottom of the filtering box, and the upper end of the stirring rotating shaft is connected with a stirring motor. The electric heating strip melts greasy dirt condensed on waste chips and then flows into the lower separating barrel along with an oil-liquid mixture for centrifugal separation, a centrifugal separation method is adopted for oil-liquid separation, waste oil and cutting fluid are rapidly separated, and the recycling speed of the cutting fluid is increased.

The invention relates to the technical field of inductor production, and particularly discloses a coil forming processing technology for manufacturing an inductor, a forming processing device is adopted for processing in the following steps: the forming processing device comprises a wrapping post, a connecting seat, a rotary drum, a rotary lifting assembly and a first linear driving piece; the processing technology comprises the following steps: a wire feeding step: forwards conveying a wire harness; a wire clamping step: enabling the end part of the wire harness to be clamped and fixed on the connecting seat; a winding step: inserting the winding post into the connecting seat, and controlling the winding post and the connecting seat to synchronously rotate and synchronously lift to obtain a coil; a wire breaking step: cutting off the joint of the coil and the wire harness; a transferring step: moving the wrapping post into the rotary drum to separate the coil from the wrapping post; and a welding step: transferring the coil into a welding mechanism for welding. The high-precision rotary lifting assembly is used for winding, the air cylinder is used for rapid ejection and demolding, and the demolding efficiency is greatly improved while the winding quality is guaranteed.

The invention provides an anti-blocking conveying system of a hugging type apocynum venetum cutting and bundling harvester and a control method of the anti-blocking conveying system. The conveying system comprises a pre-cutting detection system, a vertical conveying device, a height-adjustable crop stacking pressing plate device, a walking device anti-blocking conveying system and a control system. The vertical conveying device is used for conveying gathered and harvested apocynum venetum to the knotting device, and the conveying pressure of the conveying device at the header can be adjusted through a variable-diameter rotating drum of a conveying belt. The height-adjustable stacked crop pressing plate device is used for applying pressure to apocynum venetum stalks stacked in front of a cab to prevent the apocynum venetum stalks from being blocked behind a header, and the height of the height-adjustable stacked crop pressing plate device can be manually adjusted to adapt to harvesting of different types of apocynum venetum; the walking device anti-blocking conveying system is installed at the bottom of the vehicle frame to prevent stalks from blocking the bottom of the reaper-binder. The plant passing rate of the hugging type apocynum venetum cutting and bundling harvester can be effectively increased, and blockage is prevented.

The invention discloses an oxygen separation device for a pressure swing adsorption system, and relates to the technical field of oxygen separation. The oxygen separation device for the pressure swing adsorption system comprises an oxygen separation tank; the central shaft is arranged in the oxygen separation tank in the axial direction of the oxygen separation tank and can rotate around the axis of the central shaft; the zeolite molecular sieves sleeve the outer side of the central shaft and are uniformly distributed along the axial direction of the central shaft; and the up-down transposition mechanism is arranged on the zeolite molecular sieve, can synchronously act along with the rotation of the central shaft, and is used for driving the zeolite particles to generate position alternation in the axial direction. By arranging the up-down transposition mechanism synchronously acting with the rotary drum, the zeolite particles are driven to continuously perform ordered position alternation in the axial direction, so that dynamic cyclic replacement of adsorption areas is realized, the zeolite particles at different positions alternately participate in the adsorption process, the load of each area is effectively balanced, and local premature failure is prevented.

The invention discloses an all-aluminum tray for a new energy automobile battery pack, relates to the technical field of new energy automobiles, and solves the technical problem that all-aluminum trays of the same size cannot adapt to battery packs of different specifications in the prior art. Comprising a tray body, the tray body comprises a bottom plate and a frame, a bearing area for mounting a battery pack is formed between the bottom plate and the frame, end clamping plates and symmetrically arranged side clamping plates are arranged in the bearing area, and a clamping mechanism for limiting the position of the battery pack is mounted on the tray body; the clamping mechanisms comprise U-shaped plates, hinge assemblies, telescopic pieces, rotating cylinders, locking mechanisms and combination mechanisms, the two U-shaped plates are slidably installed on the outer side of the tray body and connected with the side clamping plates through the hinge assemblies, and the rotating cylinders penetrate through the bottom plate and are rotationally connected with the bottom plate. According to the battery pack tray, stable limiting installation can be conveniently conducted on battery packs with different sizes and models through the tray, and the applicability of the battery pack tray can be improved.

The invention relates to the technical field of filtering, and particularly discloses a negative pressure impurity filtering device for removing solid particles in scrap removing liquid, which comprises a rotary drum frame, an empty groove formed in the annular side of the rotary drum frame, a box body arranged outside the rotary drum frame, and a driving assembly arranged outside the box body and used for driving the rotary drum frame to rotate, an empty groove is formed in the rotating drum frame, the rotating drum frame is provided with filter cloth for filtering in the empty groove, an adsorption pipe fitting for generating negative pressure is arranged in the rotating drum frame, the size of the filter cloth is larger than that of the interior of the empty groove, and the pushing assembly is used for pushing the filter cloth from the interior to enable the filter cloth to deform so as to enable a filter cake to fall off. Through the matching of the structure, the T-shaped frame can extrude the filter cloth to deform the filter cloth, the influence of excessive accumulation of filter cakes on the subsequent filtering effect is avoided, meanwhile, the filter cakes are removed without adopting an external scraping mode, the condition that the filter cloth is scratched by metal chips when the filter cakes are scraped is reduced, and thus the service life of the filter cloth is prolonged.

The invention relates to the technical field of oral implantation positioning, in particular to an oral implantation positioning device which comprises a tooth socket, a special-shaped guide rail, a clamping piece, sliding blocks, a sensor and a rotating drum, a through hole located in a rotating area of the rotating drum is formed in the top of the tooth socket, and an angle adjusting mechanism used for driving the rotating drum to rotate transversely or longitudinally is connected between the sliding blocks on the two sides. According to the oral implantation positioning device, the customized tooth socket directly sleeves the outer side of a tooth needing to be implanted, the operation difficulty of a doctor is reduced through the design depending on handheld operation, the rotating cylinder is arranged to serve as a channel of an implantation drill point, the transverse and vertical rotating angles of the rotating cylinder are adjusted through the angle adjusting mechanism, the rotating cylinder corresponds to the needed implantation angle, and the implantation accuracy is improved. By matching with the through hole formed in the top of the tooth socket, the drill point can perform planting operation at a fixed planting angle at different positions, so that the conditions of deviation and repeated calibration in the planting process are avoided, the operation time is shortened, and convenience is brought to doctors in use.

The utility model discloses a bundling machine used for processing composite fiber, which comprises a stable bottom plate, the top of the stable bottom plate is fixedly connected with a bearing outer frame through a support, the inner side of the bearing outer frame is rotatably connected with an inner rotating frame, the inner side of the inner rotating frame is fixedly connected with a multilateral rotating drum, and the multilateral rotating drum is fixedly connected with a bearing outer frame. A telescopic guide groove is formed in the surface of the multilateral rotating drum. The utility model relates to the technical field of bunching machines. According to the bundling machine for processing the composite fibers, the telescopic guide groove is formed in the surface of the multi-edge rotary drum, the rectangular supporting frame capable of sliding is installed, the multi-face conical base is installed on the inner side of the multi-edge rotary drum through the threaded rod, and due to the arrangement of the structures, during adjustment, the threaded rod is rotated to drive the multi-face conical base to move; the multi-face conical base can push the multiple rectangular supporting frames to move synchronously, the multiple phase change wheels can be located at the same height, and the fiber processing quality is guaranteed through adjustment accuracy.

The invention provides an erosion gully erosion volume measuring device, and relates to the technical field of water and soil loss monitoring equipment.The erosion gully erosion volume measuring device comprises a three-dimensional laser scanner, an installation flange is fixedly installed at the lower end of the three-dimensional laser scanner, a controller and an installation disc are fixedly installed at the upper end of the three-dimensional laser scanner, and first inner grooves are symmetrically formed in the side wall of the installation disc; a rotating drum is rotatably mounted in the two first inner grooves, circular grooves are uniformly formed in the upper end of the rotating drum at equal intervals, a first spring is fixedly mounted in each circular groove, a clamping block is fixedly mounted at the upper end of each first spring, and each clamping block is slidably mounted in the corresponding circular groove; a first window, a second window, a third window and a fourth window are evenly installed in the rotating drum at equal intervals, the four types of windows cover the typical environment of erosion gully measurement by 90% or above, the laser light transmittance in any scene is ensured, point cloud noise, data cavities or precision deviation caused by environment interference are reduced from the source, and the measurement accuracy is improved. And the reliability of measurement results is ensured.

The invention discloses a laser cutting device for automobile parts, and relates to the technical field of laser cutting. The device comprises a machine tool, and the upper end of the machine tool is fixedly connected with a waterproof tabletop; and the pipeline clamping mechanism comprises a supporting seat fixedly connected to the waterproof table top, a rotating cylinder used for a pipeline to penetrate through is rotationally installed on the supporting seat, an electric three-jaw chuck is fixedly connected to the end of the rotating cylinder, and a driving piece used for driving the rotating cylinder to rotate and a pushing piece used for driving the pipeline to move are installed on one side of the machine tool. The double-driving mode of rotation and translation is achieved through the electric three-jaw chuck and a double-end clamping structure abutting against the rolling wheel base, angle adjustment and telescopic movement of the laser cutting head can be achieved through the hinge base and the telescopic frame, hollow-out cutting and special-shaped cutting operation of the pipeline can be achieved in cooperation with the translation driving mode of the pipeline, and the working efficiency is improved. And the flexibility and functionality of the device are improved.

The invention discloses a tire high-speed uniformity dynamic test method, device and equipment under multi-axis excitation, and relates to the technical field of vehicles. The tire high-speed uniformity dynamic test method under multi-axis excitation comprises the steps that a tire is installed on a test bed with a rotary drum, the test bed is controlled to apply lateral excitation to the tire according to multiple lateral displacements, a high-speed uniformity dynamic test is carried out, and a first test result is obtained; according to the plurality of longitudinal slip rates, controlling the test bed to apply longitudinal excitation to the tire and perform high-speed uniformity dynamic test to obtain a second test result; according to a plurality of composite parameters obtained by combining a plurality of lateral displacements and a plurality of longitudinal slip rates in pairs, controlling the test bed to apply composite excitation to the tire and perform high-speed uniformity dynamic test to obtain a third test result; and summarizing the three test results to obtain a high-speed uniformity dynamic test result of the tire. According to the method, the high-speed uniformity performance of the tire under the complex working condition can be evaluated more comprehensively.

The invention relates to the technical field of cloth testing and sampling, in particular to a cloth testing and sampling device which comprises a conveying device used for conveying cloth, the conveying device is composed of a sliding seat, an electric sliding table and a storage table, and a sampling cutter is arranged above the sliding seat; a driving mechanism for driving the sampling cutter is arranged outside the sliding seat; the sampling cutter comprises an annular cutter and a telescopic sleeve, and the annular cutter is telescopically connected with the telescopic sleeve; the driving mechanism comprises a rotary drum, a connecting piece is arranged outside the rotary drum, an abutting piece abutting against the rotary drum is arranged on the connecting piece, and a transmission rod fixed to the upper surface of the telescopic sleeve is arranged outside the rotary drum. The cloth sampling device is high in automation degree, manual intervention is reduced, the sampling efficiency and accuracy are improved, the annular cutter cuts cloth in the rotating and pressing process, it can be guaranteed that the cutting edge is neat, the sample quality is good, and the design of the telescopic sleeve can meet the sampling requirements of cloth with different thicknesses.

Provided are a multi-blade wind generator. The multi-blade wind generator relates to the technical field of wind power generation, and includes a bottom plate, where a bracket is installed at an upper end of the bottom plate, a working housing is installed at an upper end of the bracket, and a generator is arranged in a first working cavity inside the working housing, and a motor shaft of the generator is connected with a first rotating shaft through a speed-increasing and heat-dissipating mechanism; the first rotating shaft penetrates a front end of the working housing and is fixedly connected with a rotating drum, and the working housing is rotatably connected with the rotating drum, and a cavity is arranged in the rotating drum, and a motor is fixedly arranged in the cavity in the rotating drum, and the motor is fixedly connected with a first bevel gear.

The utility model discloses a paperboard crease processing device which comprises a working table, a crease mechanism arranged on the working table and a receiving mechanism arranged on one side of the crease mechanism, the crease mechanism comprises a bearing frame, a conveying roller and a rotating drum, the conveying roller and the rotating drum are arranged below the bearing frame, and a first motor used for driving the conveying roller and the rotating drum is fixed on the bearing frame. The receiving mechanism comprises two vertical supporting piles and a receiving table arranged between the two vertical supporting piles, a second motor is fixed to one of the vertical supporting piles, side grooves are formed in the opposite sides of the two vertical supporting piles, a screw rod and a guide rod are arranged in the two side grooves correspondingly, and the screw rod and the guide rod are arranged in the receiving table. The screw rod is fixedly connected with the output end of the second motor, and the two ends of the guide rod are fixedly connected with the vertical supporting piles. According to the paperboard crease processing device, automatic stacking of paperboards can be completed, it can be guaranteed that the stacked paperboards are kept in a tidy state, and meanwhile the trouble of manual paperboard arrangement and carrying is avoided.

The invention discloses a centrifugal machine for sludge dewatering, belongs to the technical field of sludge dewatering, and aims to solve the problems that when the centrifugal machine for sludge dewatering is used, sludge on the inner wall of a rotary drum can be gradually compacted to form a filter cake layer, particles in the filter cake layer easily form a bridging structure at an inlet of a through hole, and the sludge dewatering efficiency is affected. A controller is arranged on the outer wall of the supporting frame, a cylinder is arranged in the supporting frame, one side of the cylinder communicates with a drainage pipe, a first driving assembly is arranged in the cylinder, a dewatering assembly is arranged on one side of the first driving assembly, a second driving assembly is arranged in the cylinder and rotationally connected with the cylinder, and a sewage pumping assembly is arranged at the top of the supporting frame. According to the invention, dual blockage clearing of crushing blockages by the conical rod and purging by high-pressure gas is conveniently realized, shutdown disassembly is not needed, continuous smoothness of the water outlet hole is guaranteed, stable efficiency of centrifugal dewatering is maintained, and the dewatering effect is enhanced.

The present application relates to the field of plant pest control, and provides a plant pest control device. The plant pest control device comprises a liquid storage mechanism, a trapping mechanism and a dredging mechanism, wherein the trapping mechanism is connected with the liquid storage mechanism, and the dredging mechanism is fixedly connected above the liquid storage mechanism. When the device is used continuously, the mosquito corpses in the filter cartridge need to be recovered, the rotating drum is rotated, the sealing plate is slid in the clamping groove to the sliding groove, the mounting sleeve and the filter cartridge are disassembled, the residual mosquito corpses in the filter cartridge are pushed out, the overall disassembly steps are simple, only the mosquito corpses in the filter cartridge need to be squeezed out, the device can be used again, the squeezed mosquito corpses can be used as fertilizer, the difficulty of device maintenance is reduced, the protection of the external sealing shell can maximize the reduction of the damage of the internal equipment of the device, and the safety of the device during use is ensured.

A trenchless in-situ pipe replacement construction device includes a pulling mechanism and a crushing mechanism. The pulling mechanism is used to pull the new pipe through the old pipe. The pulling mechanism includes a directional drill, a directional drill rod, and a traction rod. The ends of the traction rod are detachably connected to the new pipe and the directional drill rod, respectively. The crushing mechanism is used to crush the old pipe as the new pipe passes through it. The crushing mechanism includes a pneumatic hammer, a motor, and a rotating drum. The pneumatic hammer is mounted on the traction rod. The rotating drum rotates and is mounted on the outside of the new pipe. The motor is used to drive the rotating drum and is located inside the new pipe. While the pneumatic hammer crushes the old pipe and the pulling mechanism pulls the new pipe forward, the motor drives the rotating drum outside the new pipe to rotate. The rotating drum can squeeze the soil around the pipe and obstacles such as broken pipes, preventing damage to the outer wall of the new pipe caused by obstacles. It also prevents damage to the inner wall of the new pipe caused by obstacles falling into the new pipe after falling off.