612results about How to "Reduce drop" patented technology

The utility model discloses a straddle carrier and a transportation system. A vehicle body of the straddle carrier is provided with a platform, the platform can be used for containing waste steel plates, lengthening assemblies surround the platform and are connected to the platform at intervals, the lengthening assemblies extend from the platform to protrude out of the platform, and on the basis of the space provided by the platform, the lengthening assemblies can provide additional containing space for the waste steel plates; the straddle carrier with the small specification can also transfer waste steel plates with the large size, the universality of the straddle carrier is improved, the lengthening assembly is arranged around the platform, the overall gravity center of the straddle carrier can be stable in the waste steel plate transportation process, and tipping is reduced. The limiting assemblies and the lengthening assemblies are staggered and located on the two sides of the platforms, waste steel plates can be limited between the limiting assemblies on the two sides of the two platforms, the waste steel plates are arranged on the platforms as much as possible, the possibility that the waste steel plates fall off from the platforms is reduced, the safety coefficient of transferring the waste steel plates through the straddle carrier can be improved, and the working efficiency of a production line can be improved.

The invention discloses an off-grid working condition control system and method for an inverter. The system comprises an inverter current feed-forward module, a first control loop, a second control loop and an inverter voltage feed-forward module which are connected in sequence. Wherein the inverter current feed-forward module is used for providing a current feed-forward signal for an inverter voltage output end of the inverter so as to generate an inverter voltage reference signal; the inverter voltage feed-forward module is used for providing a voltage feed-forward signal corresponding to an inverter voltage instantaneous value of the inverter; the first control loop is used for outputting an inversion current reference signal according to the inversion voltage reference signal and the voltage feed-forward signal; the second control loop is used for outputting a voltage adjusting signal according to the inverter current reference signal and the inverter current instantaneous value of the inverter, so that the adjusting signal and the voltage feed-forward signal are added to generate a PWM waveform signal for load power control, and therefore, an impact load can be driven with low rated inverter power; and the cost and the resource waste can be effectively reduced.

The invention discloses a high-power bidirectional double-path direct current input automatic switching control method and device, and relates to the technical field of power supply control, and the device is internally provided with a controller, an inverter circuit, a voltage sampling assembly, a driving circuit and two paths of direct current input branches with the same structure, the two direct-current input branches are arranged between the direct-current input end and the inverter circuit in parallel, each direct-current input branch comprises a slow start assembly, a forward conduction assembly and a reverse conduction assembly, and forward conduction and reverse conduction of the branches can be achieved; according to the technical scheme, when one of the preceding-stage double-path direct-current power supply branches breaks down in use, the other power supply branch can be rapidly switched, continuous work of the high-power power conversion device is guaranteed, the device achieves the slow-start power-on function through the slow-start assembly, and the power supply efficiency is improved. The reverse conduction assembly and the direct current connection assembly between the power supplies are used for achieving the function of restraining the voltage rise of the direct current bus. The device and the control method can effectively improve the working reliability of the direct current input high-power power conversion device.

The invention relates to the technical field of TPE particle processing, and discloses automatic material taking and transferring equipment for TPE particle processing, which comprises a mechanical claw, the outer wall of the mechanical claw is rotatably connected with a rotating frame, the bottom of the rotating frame is fixedly connected with a fixed plate, the bottom of the fixed plate is provided with a shaking mechanism, and the bottom of the shaking mechanism is rotatably connected with a top plate. A stable grabbing assembly used for stably grabbing bagged TPE particles is arranged in the top plate, and a discharging assembly used for conducting side face cutting and discharging on the bagged TPE particles is arranged in the top plate. The multiple grabbing insertion rods are inserted into the bagged TPE particles through the sharp ends after rotating by 90 degrees, the weight of the bagged TPE particles can be more evenly shared, shaking and falling of the particles in the material taking process are reduced, and therefore the material taking stability is improved, the pressure on packaging bags is dispersed through the two-side insertion mode, and the packaging efficiency is improved. The risk that the packaging bag is broken or torn is reduced, and material leakage and waste can be reduced.

According to the technical scheme, the reversible forward and reverse forging device comprises a forging table, a control ring and motors are arranged on the forging table, a first electric push rod and a second electric push rod are rotationally connected to output shafts of the motors correspondingly, and a plurality of rotating strips are rotationally connected to the inner edge of the control ring; the end, away from the lifting plate, of the forging table is slidably connected with a pushing plate. A first electric push rod, a second electric push rod and a third electric push rod are controlled to work to drive a control ring and a forging piece to move, the forging uniformity is improved, three-point synchronous clamping from outside to inside is firmer, a pressing rod is pushed to move downwards to compress gas in a fixing cylinder, a pushing plate is driven to quickly slide, and the forging efficiency is improved. And when compressed air is released, the moving speed of the pushing plate is increased, so that the scrap iron can quickly fly away, and meanwhile, the scrap iron can be prevented from falling onto a forging piece.

The invention relates to an OHT trolley with a side edge clamping function, and belongs to the technical field of battery production, the OHT trolley comprises a trolley body, a driving assembly is arranged at the top of the trolley body, the driving assembly is used for hanging the trolley body on an air track and driving the trolley body to move along the air track, a lifting assembly is arranged in the trolley body, and the lifting assembly is connected with a lifting seat; the lifting assembly controls the lifting base to ascend and descend, the lifting base is provided with a grabbing groove, the size of the grabbing groove is larger than that of a tray, the grabbing groove is formed in the width direction of the aerial track in a penetrating mode, and two clamping jaws are arranged in the lifting base, located in the grabbing groove and arranged in the length direction of the aerial track. Transverse supporting plates are arranged at the bottoms of the opposite sides of the two clamping jaws correspondingly, and a clamping and holding assembly used for controlling the two clamping jaws to move relatively is arranged on the lifting base. The device has the effects that the multiple trays can be stably grabbed, and air transportation can be conducted.

The invention relates to the technical field of material crushing, in particular to circulating type solid material crushing equipment which comprises a screening device, the outer side of the screening device is fixedly connected with a supporting frame, and the supporting frame is used for supporting the screening device; the bottom of the smashing device is fixedly connected with the top of the screening device, and the smashing device is located at the top of the supporting frame; according to the screening device, the conveying device is arranged, an air pump blows air into a rectangular air pipe, the material pushing assembly moves towards the side away from the base, when the material pushing assembly runs to the highest position, materials located at the top of the material pushing assembly can fall into a material guiding plate, and the materials are conveyed to the conveying device through the conveying device; and then the materials enter the feeding hopper again, so that the materials with large granularity can be conveyed into the crushing device to be crushed again until the materials are crushed to the granularity meeting the requirement, and the materials can be ensured to be fully crushed through the cyclic crushing mode.

The utility model relates to the technical field of printing, and discloses a pad printing silica gel head for digital jet printing and a pad printing system, the pad printing silica gel head for digital jet printing comprises a pad printing silica gel head, the bottom of the pad printing silica gel head is provided with a printing surface, and the interior of the pad printing silica gel head is provided with a cavity; the shaping mold is connected in the cavity and divides the cavity into an inner cavity and an outer cavity, and a shaping surface is arranged at the bottom of the shaping mold and is a plane or a flat arc surface; a first communicating hole for communicating the inner cavity with the outer cavity is formed in the shaping surface; the negative pressure structure is communicated with the inner cavity and is used for vacuumizing the cavity; the inflating structure is communicated with the inner cavity and is used for inflating the inner cavity; wherein the printing surface is provided with a shaping position which is adsorbed on the shaping surface when the negative pressure structure is vacuumized, and a separating position which is separated from the shaping surface when the inflating structure is inflated. According to the transfer printing silica gel head for digital jet printing, the printing surface is provided with the setting position and the separation position, the jet printing precision can be improved through the setting position, and a good printing effect can be obtained through the separation position.

The invention relates to the technical field of automatic grinding machines, in particular to an automatic grinding device for spherical castings, which comprises a base, and a grinding mechanism and a bottom plate are fixedly mounted on the base; a swinging mechanism is mounted on the bottom plate; a collecting mechanism is mounted on the swinging mechanism in a clamping manner; a rotating mechanism is fixed on the swinging mechanism; a storage mechanism is mounted on the base in a clamping manner; the ball can be clamped and limited through the rotating mechanism, meanwhile, the ball can be driven to rotate, and the grinding mechanism is started to slide in the direction close to the ball and can polish and grind a welding seam of the ball during rotation; sweeps generated in the grinding process can be collected through the collecting mechanism, the swing mechanism drives the ball clamped on the rotating mechanism to move, and the ball grinding effect is better; and the ground balls are taken down, and the machined balls can be stored in a centralized mode through the storage mechanism, so that follow-up ball transportation is facilitated.

A lithium battery diaphragm extraction device belongs to the technical field of diaphragm production devices. The lithium battery diaphragm extraction device comprises an extraction tank, and a baffle is arranged in the extraction tank. The space in the extraction tank is separated by the baffle plate, so that extraction cavities are formed on two sides of the baffle plate; at least one end, close to the side wall of the extraction tank, of the top of the baffle is provided with a first overflow port, an overflow channel is further arranged in the baffle and perpendicularly penetrates through the baffle, an inlet of the overflow channel is located in the middle of the top of the baffle, and an outlet of the overflow channel is located below the inlet of the overflow channel. When the lithium battery diaphragm extraction device is used for carrying out an extraction process on the diaphragm, fluid in the extraction cavity overflows through the first overflow port and the overflow channel which are arranged at the baffle plate, so that extracted pore-forming agents such as paraffin oil can be fully separated from extract liquor, and the extraction quality is further improved.

The invention discloses raw material screening equipment for canned fruit processing, and relates to the technical field of raw material screening. According to the raw material screening equipment for canned fruit processing, through the design of the composite mechanism, fruits enter the composite shell from the input mechanism, on one hand, the descending flow of the materials is controlled, on the other hand, the descending speed of the fruits is slowed down, collision between the fruits and the equipment is reduced, and it is avoided that the surfaces of the fruits are damaged, the eating taste is affected and bacterial infection is avoided; a first motor is started to drive a central rotating shaft to rotate, so that a cleaning mechanism rubs the fruits, the effect of cleaning impurities on the surfaces of the fruits is achieved, soil, branches and leaves on the surfaces of the fruits are removed, and the cleanliness of the fruits is improved; and the stirring mechanism drives the fruits to rotate, friction between the fruits and the cleaning mechanism is promoted, the fruit cleaning speed is increased, and the operation efficiency is improved.

The utility model relates to the technical field of air bag pressure belts, in particular to a limb air bag pressure belt capable of accurately controlling pressure, which comprises a pressure belt main body, a breather pipe arranged at the top end of the pressure belt main body, a first air pipe arranged on the side surface of the breather pipe, an air bag main body fixedly arranged at one end of the first air pipe, and a second air pipe arranged on the side surface of the breather pipe, a second air pipe is fixedly arranged at one end of the pressure belt body, a pressure gauge is fixedly arranged at one end of the second air pipe, a protective sleeve is fixedly arranged at the top end of the pressure belt body, first protective cotton is arranged in the protective sleeve, two binding belts are fixedly arranged on one side of the protective sleeve, and first hook-and-loop fastener hook faces are fixedly arranged at the top ends of the two binding belts. The pressure value can be recorded, a basis can be provided for subsequent treatment, the pressure gauge can be protected conveniently, the damage probability of the pressure gauge is reduced, and the service life of the device is prolonged conveniently.

The utility model discloses a tripod for mobile phone shooting, which relates to the technical field of mobile phone supports, comprises an outer tube and an inner tube, and is characterized in that a placing block is arranged above the inner tube, a guide rod is fixedly mounted above the placing block, a pressing block is sleeved on the outer wall of the guide rod, and the outer wall of the pressing block is fixedly connected with the inner tube. A first spring is fixedly connected between the placing block and the pressing block, a sliding rod capable of sliding is installed on the side face of the placing block, a clamping plate is installed on the top face of the sliding rod, and a second spring is connected between the clamping plate and the side wall of the placing block; according to the mobile phone fixing device, the two first springs and the two second springs are arranged to be matched with the square grooves, so that the mobile phone can be limited in the direction of the supporting frame, compared with a traditional fixing device, the mobile phone fixing device is more stable in fixation, and the probability that the mobile phone falls off after being fixed is reduced.

The utility model discloses a mechanical part packaging device which comprises a base, a conveying device is arranged on the top of the left side of the base, connecting rods are fixedly connected to the two sides of the top of the base, and guide plates are fixedly connected to the inner sides of the connecting rods and located on the top of the base. Through the arrangement of the spiral blade, after being conveyed to the inner side of the guide plate by the conveying device, spare and accessory parts slide into the cylinder through the side guide plate and the guide roller and slide to the surface of the spiral blade, meanwhile, the motor is started to enable the rotating rod to rotate, and the rotating rod rotates to drive the spiral blade to rotate; according to the part packaging device, the spiral blades rotate to convey parts located at the top to the bottom and fall into a packaging box, conveying is gentle, the fall is greatly reduced, the impact strength of the parts is greatly reduced, and therefore serious scratches and collisions are avoided, the shipment quality of the parts is improved, a user can use the part packaging device conveniently, and the practicability of the packaging device is improved.

The utility model discloses a curtain control device for smart home, and relates to the technical field of curtains. The curtain cloth cleaning device comprises a first supporting plate and a second supporting plate, a rotating roller and two cleaning rollers are arranged between the first supporting plate and the second supporting plate in a rotating fit mode, curtain cloth is wound on the rotating roller, the two cleaning rollers are located on the two sides of the curtain cloth, and two cleaning pieces are arranged between the first supporting plate and the second supporting plate; and the outer wall of the cleaning roller is sleeved with a sticking cylinder. According to the curtain cloth winding device, curtain cloth can be clamped through the arranged cleaning roller, in the process that the curtain cloth is wound, dust on the surface of the curtain cloth can be cleaned through the adhesive cylinder, the cleaning and maintenance period of the curtain cloth is prolonged, dust falling in the curtain cloth cleaning process can be reduced, the viscosity of the adhesive cylinder is reduced, and the service life of the curtain cloth is prolonged. Animal hair attached to the surface of the curtain cloth can also be subjected to adhesion treatment, and the intelligent control system is matched, so that automatic lifting can be achieved according to user requirements.

The invention belongs to the technical field of butadiene styrene rubber production, and particularly relates to a drying device for butadiene styrene rubber production, which comprises a cabinet body and a sealing cover, the sealing cover is arranged on the upper end surface of the cabinet body, two supporting seats are arranged on the end surface of the cabinet body in the sealing cover, a plurality of vibrators are arranged on the side walls of the supporting seats, and the output ends of the plurality of vibrators are connected with a connecting plate. A conveying belt is arranged between the two connecting plates in a transmission mode, drying assemblies are arranged inside and outside the conveying belt and located in the sealing cover, a guiding cover plate is arranged above the drying assemblies and located in the sealing cover, a recycling assembly is arranged on the guiding cover plate, two purifiers are arranged below the conveying belt and located in the cabinet body, and a plurality of rubber cone plates are rotationally arranged in the conveying belt. Conical head ends of the rubber conical plates can be contacted with the inner surface of the conveyor belt. The device can complete effective drying treatment of butadiene styrene rubber blocks in a sealed environment and purify poisonous gas, and meanwhile, discharging and taking treatment of materials are facilitated, so that the device can complete large-scale and high-efficiency drying treatment.

The present application relates to the technical field of sputum suction equipment, and discloses a sputum suction device for deep sputum suction, in order to solve the problem that sputum enters the throat of the patient for the second time, resulting in the problem that the sputum suction effect is affected. The present invention uses the contact piece and the notch to extend into the mouth of the patient, and then allows the sputum suction tube that extends into the mouth of the patient to pass through the contact piece and the notch and extend into the throat of the patient. Through the above-mentioned action, when the subsequent sputum suction tube is withdrawn, it will not contact the mouth of the patient, and then the sputum on the outer wall of the sputum suction tube is not easily scraped and retained in the mouth of the patient. At the same time, the swallowing action of the patient will not suck the sputum on the outer wall of the sputum suction tube for the second time, thereby reducing the probability of affecting the sputum suction effect.

The invention belongs to the technical field of building detection, and particularly relates to unmanned aerial vehicle mounting-based engineering building intelligent detection equipment, which comprises a mounting plate, a connecting frame and the like, and a connecting frame is mounted on the mounting plate. According to the device, personnel in a building are informed of detection operation through information on two indication boards, buffering is performed through two spring rods, violent collision when two rotating rollers make contact with a wall is avoided, water stains on the surface of the wall are adsorbed through rotation of a water absorption piece, and the detection efficiency is improved. According to the wall crack detection device, the scrapers rotate to scrape wall skins falling off from the surface of a wall, meanwhile, the scraped wall skins adhere to the film, and the infrared camera is started to detect cracks of the wall, so that the cracks of the wall are detected, the shooting quality of the infrared camera and the accuracy of crack recognition are improved, and the detection efficiency is improved. And the fallen wall skin is guided through the top plate, so that the fallen wall skin flows into the collecting bag, and the safety of the detection operation is effectively improved.

The utility model relates to the field of automatic stripping and shearing of cables, in particular to an automatic stripping and shearing device for power cables. The technical problems that in the automatic stripping and shearing process of a cable, due to the phenomenon that the shearing effect on the power cable is not ideal, the shearing quality of the power cable is reduced, the shearing efficiency of the power cable is reduced, the practicability is poor, and the phenomenon that the fixing mode of the power cable is not convenient enough exists in the actual use process are solved. And the labor force is increased. According to the technical scheme, the automatic peeling and shearing device for the power cable comprises an operation box; the device further comprises a fixing assembly, a shearing assembly, a display screen and a measuring scale. According to the utility model, a power cable is inserted into the transmission groove and is matched with the transmission roller, so that the cable is transmitted in a crossed rotation manner, and the phenomenon that the cable is not convenient enough to fix is avoided, thereby reducing the labor force, saving the working hours and improving the stripping efficiency of the power cable.

The utility model discloses auxiliary fixing equipment for a twist driller, which belongs to the technical field of aluminum part processing and comprises a motor, an auger bit is fixed on an output shaft of the motor, a fixing plate is fixed on the outer side of the motor, sliding rods are uniformly fixed at the bottom of the fixing plate, and first springs are sleeved on the outer sides of the sliding rods. The top ends of the first springs are fixedly connected with the bottom of the fixing plate, sliding pipes are arranged on the outer sides of the sliding rods and located at the bottom ends of the first springs in a sleeving mode, and limiting plates are fixed to the bottoms of the sliding pipes. According to the auxiliary fixing device for the twist drill, the aluminum piece can be always limited and fixed in the drilling process of the aluminum piece, so that the aluminum piece is still kept at the fixed position when the auxiliary fixing device for the twist drill moves upwards, and the problems that the drilling position is inaccurate and the correction workload is increased due to the fact that the aluminum piece with light mass moves along with the upward movement of a limiting block are solved; therefore, convenience is brought to work of workers, and meanwhile the machining accuracy of the auxiliary fixing device for the twist drill is improved.

The invention discloses an intelligent polishing device for new energy automobile damping inner pipe and outer pipe production, and belongs to the technical field of pipe fitting polishing. The intelligent polishing device comprises a supporting plate, a positioning groove is formed in the supporting plate, a two-way screw rod is rotatably connected to the interior of the positioning groove, and two moving seats are movably connected to the exterior of the two-way screw rod; the top pressure expansion film is fixedly connected with a grinding stone, the top pressure expansion film is further controlled to drive the contact force and the contact fitting degree between the grinding stone and the pipeline according to the roughness degree of the pipeline, the grinding effect is enhanced, and intelligent grinding treatment is achieved; according to the pipeline polishing device, the polishing adaptability to a pipeline with the large or small pipe diameter can be further improved, meanwhile, the space formed by the supporting vertical blocks can be closed through expansion of the outer blocking bag, the situation that polishing chippings fall to the outer portion of the jacking and pressing expansion film in the process that polishing is not conducted is reduced, and the phenomenon that the chippings make contact with the pipeline to generate scratches is avoided.

The invention discloses a wafer positioning and cutting device which comprises a bottom plate, a first supporting plate and a second supporting plate are installed on the bottom plate, a protection frame is installed at the upper end of the first supporting plate, a limiting frame is installed on the second supporting plate, and a driving assembly and a connecting assembly are installed on the bottom plate. The upper end of the driving assembly and the upper end of the connecting assembly are movably clamped in the limiting frame, a shifting assembly is further installed on the second supporting plate, and a first clamping and fixing assembly, a second clamping and fixing assembly and a third clamping and fixing assembly are movably clamped in the limiting frame; the first clamping and fixing assembly, the second clamping and fixing assembly and the third clamping and fixing assembly are all movably arranged in the protection frame. The invention belongs to the technical field of wafer cutting equipment, wafers of different sizes can be fixed by extruding the fixing bag to bulge, gas in the ventilation cavity is discharged from the blowing hole to blow the wafer during cutting, dust falling on the wafer is reduced, and the cut wafer is convenient to take through the arrangement of the pushing bag.

The utility model provides a biomass pellet fuel smashing device, which belongs to the technical field of biomass processing equipment and comprises a smashing box, supporting legs, a feed inlet, a discharge pipe, a first motor, a rotating shaft and a smashing cutter, the supporting legs are fixedly arranged at four corners of the bottom surface of the smashing box, and the feed inlet is arranged on the left side of the upper surface of the smashing box in a penetrating manner. A discharging pipe penetrates through the center of the bottom surface of the crushing box, and a first motor is fixedly arranged in the center of the upper surface of the crushing box; the first motor drives the rotating shaft and the smashing cutter to rotate, the effect of smashing biomass raw materials is achieved, the second motor drives the cam to rotate, the cam collides with the impact plate, and the spring is matched to enable the screen to move left and right, so that the smashed biomass raw materials can penetrate through the screen conveniently and completely, and the screen can be prevented from being blocked; and when the electric telescopic rod retracts, the screen can be pulled out from the right end of the crushing box, so that the screen with different pore diameters can be conveniently replaced, and the particle size of the crushed biomass can be conveniently adjusted.

The utility model discloses a manipulator clamping assembly and a manipulator, and belongs to the technical field of manipulators, the manipulator clamping assembly comprises a main block, the bottom of the main block is rotatably connected with two groups of clamping assemblies, the interiors of the two groups of clamping assemblies are rotatably connected with clamping plates, and the tops of the clamping assemblies are rotatably connected with driving assemblies for driving the clamping assemblies to turn over. A telescopic assembly used for adjusting the clamping plate is installed at the bottom of the main block and comprises an air cylinder used for pushing the clamping plate to turn over at the bottom of the clamping assembly. According to the device, the clamping plate is arranged, the angle of the clamping plate can be adjusted through the air cylinder in the using process, so that the clamping plate is better attached to the outer surface of goods, the stability of the goods is improved when the goods are clamped and transported, in addition, the air bag strips are arranged on the surface of the clamping plate, the friction is increased when the clamping plate bulges, and the device is better attached to the surface of the goods; and the device is further helped to clamp goods with smooth outer walls, and goods falling in the carrying process is reduced.

The invention provides a micro-water-flushing harmless sanitary toilet, and belongs to the technical field of toilets. The blow-off channel and the micro water flushing device are both connected with the toilet main body, the upper end of the blow-off pipe is connected with the blow-off channel, the lower end of the blow-off pipe is connected with the harmless septic tank, and the blow-off pipe is connected with an air draft pipe close to an inlet of the harmless septic tank; a water inlet is formed in the rear side of an inner cavity of the toilet bowl body and connected with a micro water flushing device. The harmless septic tank is located on the inclined side or the rear side of the toilet stool body and comprises a pre-fermentation tank, a harmless treatment tank and a liquid fertilizer storage tank which are sequentially arranged. The blow-off pipe adopts a straight pipe type design and is obliquely connected into the harmless septic tank; the micro water flushing device adopts an air pressure type flushing design, and the barrel body and the barrel cover are connected through an air cylinder assembly. The device has the advantages that water resources are saved, excrement odor is discharged, excrement adhesion of the toilet is reduced, black water is harmless, high-concentration liquid fertilizer is obtained, installation and maintenance are easy and convenient, the black water is harmless, and the cost is low, and the device is suitable for being used and popularized in rural areas.

The conveying device for organic fertilizer processing comprises two conveying shafts and side plate supporting plates, the two side plate supporting plates are distributed in a front-back spaced mode, the two conveying shafts are distributed between the two side plate supporting plates in a left-right spaced mode, and a conveying belt is arranged between the outer end faces of the two conveying shafts in a sleeved mode. A driving assembly is arranged on the outer end face of one side plate supporting plate, an output shaft of the driving assembly penetrates through the side plate supporting plate connected with the output shaft and is coaxially connected with one transmission shaft, and supporting assemblies are arranged on the sides, away from each other, of the two side plate supporting plates correspondingly. And connecting plates are arranged at the bottoms of the two side plate supporting plates. By means of the organic fertilizer cleaning device, residual organic fertilizer on the outer end face of the conveying belt can be cleaned, the organic fertilizer which falls off during cleaning can fall into the collecting assembly to be collected, waste and cleaning work of the organic fertilizer are reduced, and the labor intensity of workers is reduced.

The utility model discloses a concealed LCD screen wiring device, which comprises a protective shell, a wiring box, canvas and an LCD screen main body, a mounting groove is arranged in the middle of the protective shell, a groove is arranged at the rear end of the mounting groove, a power line, a signal line and a plurality of electric sockets are arranged in the groove, and spring clamping plates are arranged on the left side and the right side of the mounting groove. A plurality of telescopic springs are fixedly connected to the sides, close to the protective shell, of the spring clamping plates, the other ends of the telescopic springs are fixedly connected to the protective shell, an LCD screen body is clamped in the mounting groove, a junction box is arranged at the rear end of the LCD screen body, a power interface and a signal interface are formed in the junction box, and an inlet and an outlet are formed in the lower end of the junction box. Movable grooves are formed in the left side and the right side of the inlet and outlet, spring rods are fixedly connected in the movable grooves, a fixed rod is arranged between the spring rods, the two ends of the fixed rod are movably connected to the spring rods, a movable groove is formed in the inner wall of the rear end of the junction box, a movable plate is clamped in the movable groove, and canvas is arranged in front of the LCD screen body.

The utility model discloses a wall punching device for an acoustic laboratory, and relates to the technical field of wall punching. The dust collection device comprises a fixing column, a connecting frame is arranged above the fixing column, a pushing assembly is arranged above the connecting frame, a dust collection plate is arranged on the left side of the connecting frame, the pushing assembly comprises a fixing base, a connecting block is slidably connected to the bottom of the fixing base, and a hydraulic cylinder is fixedly connected to the right side of the fixing base. A perforating machine is arranged in the fixing base, sliding blocks are fixedly connected to the front face and the back face of the perforating machine, and sliding rods are slidably connected into the sliding blocks. According to the wall perforating machine, the pushing assembly is arranged, specifically, the perforating machine is started to perforate a wall, then the hydraulic cylinder is started to drive the perforating machine to move through the connecting block, and the perforating machine slides on the sliding rod through the sliding block, so that the stability of the fixing seat during movement is improved, and a worker does not need to press the perforating machine; and the situation that workers are injured by splashed broken stones is avoided, and safety is better.

The utility model provides a non-woven fabric pre-pressing mechanism, and belongs to the field of non-woven fabric processing equipment. Comprising a dustproof box, two compression rollers which are symmetrically arranged up and down are rotationally connected into the dustproof box, material passing openings are formed in the front end and the rear end of the dustproof box, two partition plates which are symmetrically arranged up and down are fixed to the inner wall of the dustproof box, the two partition plates are located between the two compression rollers, through holes allowing the two compression rollers to partially penetrate through are formed in the two partition plates respectively, and a scraping plate is fixed to one side of each partition plate; one end of the scraper abuts against the outer wall of the pressing roller, two cleaning assemblies which are symmetrically arranged and located on one sides of the two partition plates respectively are arranged in the dustproof box, cleaning brushes are arranged on the cleaning assemblies in a sliding mode, and one ends of the cleaning brushes abut against the outer wall of the scraper. Two dust collection assemblies which are symmetrically arranged, located on one sides of the two partition plates correspondingly and used for adsorbing sundries in the dustproof box are fixed to the inner wall of the dustproof box, and the material passing opening is located between the two partition plates. The press roll can be automatically cleaned, the pre-pressing quality and the processing efficiency are improved, and the labor cost is saved.

The utility model relates to a soft bag sealing device which comprises a medicine plug, a bottom plate, a clamping assembly and a pressing assembly, the medicine plug is inserted into a guide pipe of a soft bag, and the bottom plate is fixed to a working face. The clamping assembly comprises a fixing frame and a pneumatic clamping jaw, the fixing frame is vertically arranged and fixed to the bottom plate, the pneumatic clamping jaw is arranged at the top end of the fixing frame, clamping blocks are connected to the faces, close to each other, of two jaws of the pneumatic clamping jaw, containing arc grooves are formed in the faces, close to each other, of the clamping blocks, and the two containing arc grooves are spliced to form a containing groove. The inner wall of the containing groove is attached to the outer wall of the guide pipe. The pressing assembly comprises a supporting frame and a telescopic air cylinder, the supporting frame is in a 7 shape, the vertical section of the supporting frame is fixed to the bottom plate, a cylinder body of the telescopic air cylinder is fixed to the horizontal section of the supporting frame, a piston rod of the telescopic air cylinder is located over the containing groove, and the medicine plug is pushed downwards when the piston rod of the telescopic air cylinder descends. The connection firmness degree of the medicine plug and the catheter is improved, and the sealing performance of the soft bag seal is improved.