77results about How to "Clean working environment" patented technology

The optical element polishing device comprises a polishing box, an L-shaped support and a motor are installed in the polishing box, a polishing table is installed on the side portion of the L-shaped support, a suction cup is rotatably installed in the polishing table, a suction cup rotating shaft is in butt joint with a motor shaft, and the top of the suction cup is used for installing an optical element. And a lifting electric polishing head is movably mounted at the upper end of the L-shaped bracket. The driving assembly is designed, through intelligent control of a temperature sensor and a U-shaped electromagnetic block, the function that the polishing head automatically and gradually moves towards the center of the optical element along with lowering of the liquid level of cooling liquid is achieved, therefore, the all-directional and uniform polishing effect is ensured, the polishing precision and consistency are improved through the design, and compared with electric driving, the polishing efficiency is greatly improved. Manual intervention is reduced, the structure principle is simple, and the machining efficiency is improved.

The utility model belongs to the technical field of industrial air conditioners, and discloses a micro-positive pressure type energy storage container air conditioner which is characterized in that a condensation cavity and an evaporation cavity are formed in a shell, a condenser and a compressor are installed in the condensation cavity, an evaporator is installed in the evaporation cavity, and the right end of the shell is embedded in the side face of an energy storage equipment container; an air inlet and an air outlet are respectively formed in upper and lower ends of the right side of the evaporation cavity; a main fan is installed on the inner side of an air outlet of the evaporation cavity, the lower end of the evaporation cavity communicates with an air inlet pipeline communicating with the lower side of the shell, and an auxiliary fan is installed on the upper side of the air inlet pipeline. According to the energy storage container, the main fan and the auxiliary fan are arranged in the evaporation cavity, so that the air pressure in the container is larger than the outdoor air pressure, the indoor and outdoor air pressure difference is formed, the dustproof effect is further achieved, and dust, moisture and the like are effectively prevented from entering the energy storage container through the air pressure difference; and external cold air is sucked into the air conditioner, so that the energy consumption can be indirectly reduced.

The invention relates to the technical field of environmental engineering, and discloses a dust filtering device for construction engineering, the dust filtering device comprises a base, the bottom of the base is fixedly connected with a supporting block, a water tank and a collecting tank, the left side of the water tank is fixedly connected with a water pipe, and the output end of the water pipe is fixedly connected with an air inlet filtering mechanism; the right side of the air inlet filtering mechanism is fixedly connected with a filtering box, the top of the filtering box is fixedly connected with a rotary positioning mechanism, the right side of the filtering box is fixedly connected with a rotary dust remover, the outer surface of the rotary positioning mechanism is fixedly connected with a filter screen cleaning mechanism, and the top of the water tank is fixedly connected with a first filtering groove. The top of the supporting block is fixedly connected with a second filtering groove, primary filtering is immediately carried out after air inlet, damage of large particles to a follow-up filter screen is reduced, dust is sprayed through a nozzle, direct impact of the dust to an impeller is reduced, and dust cleaning is simpler and rapider through overall inclined placement.

The invention discloses a dust collection device for nodular cast iron pipe fitting welding. The dust collection device comprises a movable base. Secondary electric sleeve telescopic equipment is fixedly arranged on the upper side of the movable base, the secondary electric sleeve telescopic equipment is vertically arranged, an upper supporting frame body is fixedly arranged at the top of the secondary electric sleeve telescopic equipment, and adjustable dust suction mechanisms and dust removal mechanisms are symmetrically arranged on the two sides of the upper supporting frame body; a water receiving basin body is placed on the movable base and located under the punched steel plate cylinder, and a dense and continuous water curtain environment is created by a water spraying curtain area jointly formed by the two opposite and close water spraying and smoke dust reducing plate bodies. And meanwhile, the water curtain sprayed by the auxiliary water spraying head in the punched steel plate cylinder further enhances the overall smoke dust reducing effect. The dual water curtain arrangement is matched with each other, so that gas containing dust and other substances can be subjected to multiple times of water curtain gifts when passing through.

The utility model discloses a portable UPS (Uninterrupted Power Supply) with a protection structure, which relates to the technical field of UPSs and comprises a power supply shell, a protection mechanism is arranged at the top of the power supply shell and comprises a top cover, a handle is fixedly connected to the top of the top cover, a limiting ring is fixedly connected to the bottom of the top cover, and the limiting ring is fixedly connected to the top of the power supply shell. A connecting block is rotatably connected to the outer side of the limiting ring, a fan is arranged on the inner side of the connecting block, a plurality of fins are fixedly connected to the bottom of the connecting block, a heat dissipation pipe is fixedly connected to the inner sides of the fins, and an air inlet is fixedly connected to the center of the bottom of the heat dissipation pipe; a dropper is fixedly connected to the position, close to the edge, of the bottom of the heat dissipation pipe, the bottoms of the fins are fixedly connected to the position of the outer ring of the top of the power source shell, through the protection structure, the anti-collision, dustproof, moistureproof and heat dissipation effects are achieved, and the problems that a traditional UPS is insufficient in protection capacity and poor in heat dissipation effect are solved.

The invention relates to the technical field of cutting, and provides a broken bridge aluminum door and window assembling and processing machine which comprises a base, a first motor is fixedly installed on the front portion of the base, a first threaded rod is fixedly installed at the output end of the first motor, a first sleeve is installed on the surface of the first threaded rod in a threaded mode, and a connecting rod is fixedly installed on the circumferential face of the first sleeve. A support is fixedly installed at the top of the connecting rod, a second motor is fixedly installed at the top of the support, a second threaded rod is fixedly installed at the output end of the second motor and is in threaded connection with a second sleeve, an electric push rod is fixedly installed on the circumferential face of the second sleeve, and laser cutting equipment is fixedly installed at the output end of the electric push rod. And a protection device is arranged at the top of the base. According to the technical scheme, the problem that in the prior art, when equipment works, workers are accidentally injured or other objects interfere with the equipment is solved.

The present invention discloses a device and method for quantitatively adding granular activated coke, including a coking pool, wherein a stirrer is arranged in the coking pool; a ton bag bracket is arranged above the coking pool, a lifting device is installed above the ton bag bracket, the lifting device includes a lifting plate, brackets are arranged at both ends above the lifting plate, a bag lifting hook is rotatably installed above the bracket, and a bag lifting cylinder for driving the bag lifting hook to rotate is arranged at the end of the bag lifting hook; a bag clamping device is arranged below the ton bag bracket, a dust removal device is connected to the side of the bag clamping device, the inlet of the discharge valve is connected to the bag clamping device below, and the outlet of the discharge valve is connected to the coking pool. The present invention adds a ton bag bracket, and the driving crane does not need to wait until a bag of activated coke is added before hoisting a new one, thereby shortening the coking time; the rotation speed of the discharge valve is used to control the amount of lower coke, and the water inflow is controlled by an electromagnetic flowmeter and an electric regulating valve, so that the ratio of the two reaches the program setting value.

The utility model discloses a spraying dust removal device for a building construction site, and relates to the technical field of building construction. The dust removal device comprises a supporting frame and a supporting pipeline, a dust removal mechanism and an adjusting mechanism are arranged on the supporting frame, and the dust removal mechanism comprises a spraying assembly and an exhaust assembly; the spraying assembly comprises a supporting pipeline fixedly connected to the top face of the supporting frame, the inner bottom wall of the supporting pipeline is fixedly connected with a water storage tank, the inner bottom wall of the water storage tank is fixedly connected with a liquid pump, the inner wall of the supporting pipeline is fixedly connected with a supporting sleeve, and the output end of the liquid pump is fixedly connected with a first guide pipe. The top end of the first guide pipe is communicated with a flow dividing pipe, the front end of the flow dividing pipe is communicated with a plurality of second guide pipes, and the front ends of the second guide pipes are fixedly connected with spraying heads. According to the utility model, the dust removal mechanism is arranged, so that water mist is fully combined with dust in the air and settles to the ground, and the purpose of effectively reducing dust is achieved.

The utility model discloses a drilling device for furniture manufacturing, including processing platform and support station, and the both sides edge of processing platform top is equipped with support station, and is equipped with the support frame between support station top, and the middle position of support frame one side is equipped with the moving plate, and the bottom of moving plate is equipped with the motor cover, and the outside top of motor cover is equipped with the support plate, and the bottom of support plate is evenly equipped with the spring all around, and the bottom of spring is equipped with the sound insulation cover, and the side wall of sound insulation cover is equipped with the sound insulation cotton, and the bottom end of support station one side of processing platform is equipped with the screw groove, and the position of screw groove is equipped with screw rod no.

The invention relates to the technical field of workpiece polishing, and discloses a polishing and grinding device for rotary workpiece manufacturing, which comprises a base, a movable cover is slidably arranged on the inner side of the base, air inlet covers are connected to the two sides of the base, one end of each air inlet cover is connected with the same air inlet pipe, and an air flow frame is connected to the interior of the base. And one side of the inner wall of the base is connected with an ultrasonic generator, the bottom end of the inner wall of the base is connected with an electromagnet, a crankshaft is rotationally arranged between the inner sides of the movable covers, one end of the crankshaft is rotationally provided with a plurality of sets of connecting suites, and the other ends of the connecting suites are connected with universal joints. According to the multi-workpiece polishing device, all-around uniform grinding of multiple workpieces is achieved, uncertainty of manual polishing is avoided, the machining efficiency is improved, it is ensured that the motion trail of the workpieces is stable in the high-speed reciprocating polishing process, accidental loosening is prevented, stable lifting of the movable cover is achieved, mechanical abrasion is reduced, and the working environment is clean.

The invention discloses seasoning production crushing equipment with an anti-splashing structure, and relates to the technical field of seasoning production, the seasoning production crushing equipment comprises a feeding channel, the bottom end of the feeding channel is provided with a feeding port, the bottom end of the feeding port is provided with a feeding hopper, and the bottom of the feeding hopper is provided with a crushing box; lifting mechanisms are rotationally connected to the inner walls of the left side and the right side of the material crushing box, a first transmission mechanism sleeves one end of each lifting mechanism, a baffle is clamped to the bottom end of each lifting mechanism, crushing mechanisms are rotationally connected to the inner walls of the left side and the right side, located below the baffles, of the material crushing box, and a second transmission mechanism sleeves one end of each crushing mechanism; and a collecting hopper is arranged at the bottom end of the crushing box. According to the seasoning production crushing equipment with the anti-splashing structure, the bending and inclined design of the feeding channel can prevent raw materials from flying upwards, the inclined inner wall of the feeding hopper can secondarily block the flying raw materials, and the lifting mechanism automatically controls the baffle to ascend and descend, so that the baffle is opened and closed, and the raw materials are prevented from splashing.

The invention belongs to the technical field of batteries, and particularly relates to a frame type battery box body with good sealing performance and an assembling method thereof, the assembling method comprises two steps of obtaining parts of the frame type battery box body and assembling the frame type battery box body, and the frame type battery box body assembled by the method has good sealing performance on the aspect of structural design. And through the reasonable layout and connection mode of the supporting plate and the bottom protection plate, the overall stability and impact resistance of the box body are effectively enhanced. In the aspect of sealing performance, the first sealing piece and related bolt connection between the bottom protection plate and the frame, the riveting and bolt connection between the supporting plate and the frame and the bottom protection plate, and the sealing pieces are matched, so that the waterproof, dustproof, sound insulation and vibration isolation effects are greatly improved, external water vapor, dust and other impurities are effectively prevented from entering, the risks of battery short circuit, corrosion, poor heat dissipation and the like are reduced, and the service life is prolonged. Safe and stable operation of the battery is ensured.

The invention discloses a honeycomb core material chamfering device and an operation method. The honeycomb core material chamfering device comprises a machine tool body and a supporting plate, and a guide rail and a positioning part are arranged on the machine tool body; a sliding block is arranged on the supporting plate and can be in sliding connection with the guide rail so that the supporting plate can be fixed to the machine tool body. A cutting part and a feeding part are arranged on the supporting plate, a tool is arranged on the cutting part, and the positioning part is used for fixing a workpiece to be machined to a tool setting point of the tool; the feeding part comprises a moving part and a fixed part, a handle is arranged on the moving part, an operator can push the handle to enable the supporting plate to move along the guide rail through the sliding block to form feeding motion, an angle rotating disc is arranged on the fixed part, and the angle rotating disc is connected with a pointer and used for indicating the included angle between the current cutter and the machine tool workbench. By the adoption of the small-mass high-speed rotating blade, vibration during cutting is effectively reduced, cutting precision is improved, the problems of workpiece deformation and over-cutting caused by a traditional saw blade cutting mode are solved, and therefore the consistency and accuracy of chamfering are guaranteed.

The wall top punching device for decoration comprises a base, a lifting plate is arranged above the base, the top of the lifting plate is fixedly connected with a drilling piece, the drilling piece comprises a fixing base, the top of the fixing base is rotationally connected with a drill bit, the bottom of the drill bit extends to the position below the fixing base and is fixedly connected with a drill bit motor, and the drill bit motor is fixedly connected with the lifting plate. A collecting cover is fixedly connected to the surface of the drill bit, and connecting pipes are fixedly connected to the left side and the right side of the bottom of the collecting cover. The equipment has the advantage of collecting dust, and solves the problems that a large amount of dust generated in the working process of the punching device pollutes a construction site and possibly diffuses to a peripheral area to cause negative effects on environmental sanitation, and the dust possibly enters the punching equipment to easily accelerate abrasion of mechanical parts, influence the service life of the equipment and cause environmental pollution. And the difficulty and the cost of cleaning and maintenance are also increased.

This invention relates to the field of feeding devices, specifically to an anti-agglomeration short-cut carbon fiber flocking feeding device, comprising a processing box for crushing and screening fibers. A feeding assembly is connected to the bottom of the processing box, and a storage hopper is connected to the bottom of the feeding assembly for collecting the processed fibers. A discharge assembly is connected to the bottom of the storage hopper. Two rotating rods are rotatably connected through the upper and middle sections of the processing box. Toothed rollers and gears are fixedly connected to the outer rings of the rotating rods. A motor is fixedly connected to the outside of the processing box, and its output end is fixedly connected to the rear rotating rods. A sprocket is fixedly connected to the outer rings of both the upper and lower rotating rods at the rear. By setting up a multi-layered rotating rod + toothed roller multi-stage tearing structure, combined with synchronous transmission of gears and chains, the agglomerated fibers are gradually torn apart and dispersed, resulting in a strong initial dispersing effect.

The present application relates to a kind of lime-soil compaction pile construction system for collapsible loess area, before construction, good technology, material, equipment and site preparation, such as familiar drawing, prepare soil and lime, debug hole and ramming equipment, level site and surveying and setting out etc..During construction, first carry out test pile to determine parameters, large-scale hole formation follows specific sequence and strictly controls pile diameter, perpendicularity etc.;Pile formation first clean bottom ram, then layered packing ramming, accurate operation by control system;After pile formation, do well maintenance.Quality detection uses low-strain dynamic penetration method to detect pile integrity, plate load test to detect composite foundation bearing capacity.The method is applied to a certain commercial complex project, construction is smooth, hole formation and pile formation quality meet the standards, efficiency is improved, construction period is shortened.

The invention discloses a ceramic sheet hole drilling mold, which relates to the technical field of ceramic sheet hole drilling, and comprises an upper mold and a lower mold, wherein a plurality of hydraulic rods are arranged between the upper mold and the lower mold, a connecting strip is arranged at the bottom of the lower mold, a numerical control moving platform is arranged at the bottom of the connecting strip, two clamping rings for clamping and fixing the ceramic sheet are arranged above the lower mold, a connecting cylinder is arranged inside the upper mold, an air outlet is arranged above the connecting cylinder, a connector is arranged inside the bottom end of the connecting cylinder, a drill bit for drilling holes in the ceramic sheet is arranged inside the connector, a plurality of vertical grooves are arranged inside the drill bit, an expansion body for covering the vertical grooves is arranged on the inner wall of the drill bit, a filling unit for inflating the expansion body is arranged inside the connecting cylinder, in this mold, the two processes of drilling and deburring are carried out simultaneously, which reduces the processing time and labor cost, and greatly improves the production efficiency of the ceramic sheet.

The present invention discloses a sealing device for preventing powder material from spraying or falling, comprising a silo and a discharge barrel connected to the silo, a rotating drive device fixedly installed on the discharge barrel by a fixing device, the rotating drive device drivingly connected to a rotating shutter, the rotating shutter connected to a pumping and inflating device, the rotating drive device driving the rotating shutter to rotate to a first working position, the discharge port of the discharge barrel is unobstructed, the rotating drive device driving the rotating shutter to a second working position, the rotating shutter is inflated and sealed with the discharge port of the discharge barrel. Through the above manner, the present invention can ensure that the powder material in the silo will not spray or fall when loading is completed, thereby avoiding environmental pollution, making the working environment of workers clean, ensuring the health of workers, saving raw materials, and saving costs.

The utility model relates to the technical field of electrostatic dust collection, in particular to an electrostatic dust collector for a textile workshop, which comprises a storage box and an adsorption component, a mounting part is arranged in the storage box, an air outlet pipe is arranged on the mounting part and is arranged in a through hole of the storage box, and an insulating part is arranged in a shaft hole of the mounting part. A discharge electrode is arranged on the insulating part, a dust collection electrode is arranged at a notch of the mounting part, a supporting part is coaxially arranged on the dust collection electrode, an air inlet pipe is arranged on the supporting part and arranged in a groove hole of the storage box, and the adsorption assembly is connected with the air inlet pipe; the adsorption assembly and the storage box are arranged on the supporting assembly; the device is high in adaptability, convenient to operate and high in dust removal stability.

The utility model belongs to the technical field of machine manufacturing, and particularly relates to a wear-resisting block machining device which comprises a base and a wear-resisting block, baffles are symmetrically and fixedly connected to the top of the base, a drawer is assembled in the base in a sliding mode, rotating columns are rotationally connected to the inner wall of the base in an array mode, and the wear-resisting block is arranged on the base. First gears are fixedly connected to the two ends of the two symmetrically-arranged rotating columns correspondingly, second gears are rotationally connected to the positions, located below the first gears, in the base correspondingly, the second gears are connected with the first gears in a meshed mode, and the two second gears on the same side are in transmission connection through a transmission belt. The multiple rotating columns jointly form transmission connection through a conveying belt. According to the wear-resisting block feeding device, feeding can be conveniently carried out during wear-resisting block machining, the tedious step of manual feeding is omitted, meanwhile, chippings generated during machining are collected and cleaned, the chippings are prevented from flying to a machining table, the working environment is kept clean and tidy, manual cleaning is not needed, and time and labor are saved.

The utility model discloses a drilling, tapping and milling machining device for machining parts of a sewing machine, and relates to the technical field of drilling, tapping and milling machining devices for machining parts of sewing machines. The chip collecting device comprises a collecting box, wherein a chip collecting mechanism and a clamping mechanism are arranged on the collecting box; the top of the collecting box is fixedly connected with a [-shaped supporting frame, the bottom of the [-shaped supporting frame is fixedly connected with a drilling, tapping and milling module, and two cover plates are hinged to the left side of the [-shaped supporting frame. By arranging the chipping collecting mechanism, the problems that a large number of chippings are scattered in a working area, the working environment becomes disordered and unsanitary, the working experience and health of operators are affected, the chippings possibly enter gaps and moving parts of equipment, abrasion is aggravated, faults are increased, and the working efficiency is high are solved. And the repair and maintenance cost of the equipment is increased.

The utility model provides a mulberry tea processing and filling device, and belongs to the field of mulberry tea processing. The filling assembly comprises an L-shaped plate fixed to the base, a driving part is installed on the L-shaped plate, a conveying pipe is installed at the output end of the driving part, an S-shaped pipe is installed at the bottom of the conveying pipe, a filling pipe is installed on the S-shaped pipe, an air supply part is installed on the L-shaped plate, and the air supply part is connected with the filling pipe through a connecting pipe. Mulberry tea is contained in the box body, a liquid pump is installed on the box body, a liquid feeding pipe is installed at the liquid outlet end of the liquid pump, and the liquid feeding pipe is connected with the conveying pipe. The air part works to convey air into the filling pipe, residual mulberry tea in the filling pipe is blown off and falls into the filling container, so that the residual mulberry tea can be prevented from dripping off after the filling pipe is reset, the working environment is tidier, and the labor amount of workers is reduced.

The invention discloses an intelligent coal flow anti-blocking system, and relates to the technical field of coal flow anti-blocking. A dust monitoring unit is arranged to monitor the amount of dust generated in a chute working area when intervention mechanisms are executed, and a mechanism analysis module can analyze execution dust of the corresponding intervention mechanisms under each blocking level; therefore, the optimal running duration of the dust collector power when the corresponding intervention mechanism is executed under each blocking level is obtained; by analyzing the change of the dust generation amount in the chute working area under each intervention mechanism, the influence on the change of the dust amount under each intervention mechanism can be determined, so that the regulation and control are more accurate; the dust processing unit can adjust the duration of the first standard adjusting power, the second standard adjusting power and the third standard adjusting power of the dust collector under the corresponding intervention mechanism according to the data, in this way, the working efficiency of the dust collector is improved, excessive energy consumption is avoided, and meanwhile a healthier and cleaner working environment is provided for operators.

This utility model belongs to the field of drill bit raw material cutting technology, specifically a raw material cutting device for drill bit production, including a machine body; a load-bearing frame is fixedly connected to one side of the top of the machine body; a first drive motor is installed on the side wall of the load-bearing frame; a first sliding frame is provided on the threaded column of the output end of the first drive motor; the first sliding frame is slidably arranged inside the load-bearing frame; a push pump is installed on the top of the first sliding frame; a cutting motor is connected to the output end of the push pump; a cutting head is installed at the bottom of the push pump; a second drive motor is installed on the side wall of the machine body; the second drive motor is located on one side of the load-bearing frame; through the above structure, it can effectively meet the strict requirements of modern manufacturing industry for drill bit precision, and can realize continuous and fast cutting operations. Compared with manual or semi-automatic cutting methods, it greatly improves production efficiency and can meet the needs of large-scale production.

The present invention discloses a vibrating fluidized bed dryer, comprising an upper bed and a lower bed, wherein the top of the upper bed is provided with an integrated exhaust device, the side of the lower bed is provided with an integrated air intake device, one end of the lower bed is provided with a feed port, the other end is provided with a discharge port, and a microwave water measuring device is provided at the discharge port, and both sides of the lower bed are provided with vibration motors, a shock-absorbing base is provided on the lower bed, and the lower bed is fixed on the ground through the shock-absorbing base. The beneficial effects of the present invention are: 1) The front and rear end air treatment of the vibrating fluidized bed is relatively simple and reliable, easy to operate, energy-saving and environmentally friendly; 2) The vibrating fluidized bed adds the function of auxiliary vibration of materials during the drying process, the lower bed has uniform heat transfer and uniform fluidization, and a uniform dried and cooled product can be obtained, with high thermal efficiency and good energy-saving effect, which can save 30%-60% energy compared with general drying devices.

The drilling device with the positioning function for slurry pump accessory machining comprises a placing table, the upper surface of the placing table is fixedly connected with a fixing plate, the side surface of the fixing plate is fixedly connected with a first electric telescopic rod, and the other end of the first electric telescopic rod is fixedly connected with a clamp; a stabilizing rod is fixedly connected to the inner surface of the shell, a second electric telescopic rod is fixedly connected to the other end of the stabilizing rod, a drilling machine is fixedly connected to the lower end of the second electric telescopic rod, the containing table is located below the drilling machine, the shell communicates with an air blower shell, and an air blower assembly is arranged on the air blower shell; and the rear surface of the air blower shell communicates with a connecting pipe, two sliding grooves are formed in the connecting pipe, sliding blocks are slidably connected to the side surfaces of the two sliding grooves correspondingly, and through the structure, the part drilling position can be positioned, and chippings generated during drilling can be collected.

The utility model discloses a building board cutting machine which comprises a base, a cutting blade, a locking device, a handle, a motor, a motor supporting frame, a cutting depth control structure and a scrap collecting structure, the locking device is arranged on the base, one end of the cutting depth control structure is connected with the base, and the other end of the cutting depth control structure is connected with the motor supporting frame. The scrap collecting structure is arranged in the base and slidably connected with the base, the cutting blade is arranged on the right side face of the motor supporting frame, the motor is arranged on the top of the motor supporting frame, the handle is arranged on the outer side face of the top of the motor, and the cutting blade is in transmission connection with the motor. The distance between the cutting blade and the base is controlled through the cutting depth control structure, adjustment is carried out according to building boards with different thicknesses, and the working efficiency is greatly improved; and due to the arrangement of the chipping collecting structure, cut chippings can be collected and cleaned uniformly, and the working environment is cleaner.

The utility model belongs to the technical field of livestock breeding equipment, particularly relates to a livestock breeding feed crushing device, and aims to solve the problems that straw needs to be manually guided into a feeding port of a crushing machine in an existing device, uniform conveying of the straw is difficult to guarantee through manual feeding, the load of the crushing machine in the working process is unstable, the crushing effect is affected, and the crushing efficiency is affected. According to the scheme, the straw smashing device comprises a smashing machine, and a feeding frame is installed at a feeding opening of the smashing machine; the feeding device has the advantages that through cooperation of the concave-convex structure of the feeding plate and the feeding bevel teeth, the grabbing force on straw is enhanced, the feeding efficiency is improved, material loss is reduced, accurate transmission of the gear and the inner gear ring is achieved, stable and automatic feeding is achieved, the labor cost is reduced, and the product quality is guaranteed; the dust concentration of a workplace is greatly reduced, and a healthy and clean working environment is created.

The utility model relates to the technical field of auxiliary equipment of belt conveyors, in particular to a dustproof sealing protection device of a belt conveyor, which comprises a dustproof cover, a dust collection mechanism, a sealing connection mechanism and a connection stabilizing mechanism, and the dust collection mechanism is fixedly connected to the top of the dustproof cover. According to the dust collection device, through the arrangement of the dust collection pipeline, the dust collection opening and the damping telescopic spring, dust generated in the dust cover can be actively and efficiently collected, the dust collection opening is matched with negative pressure generated by the dust collector, the dust catching efficiency can be greatly improved, and the dust is sucked into the pipeline through the dust collection opening and finally enters the dust collection box to be collected; meanwhile, a damping damper and a damping telescopic spring in the connection stabilizing mechanism are symmetrically distributed at the bottom of the dustproof cover, vibration in all directions during running of the belt conveyor can be effectively absorbed, the mutual influence between the device and the conveyor is reduced, the running stability and reliability of the device are remarkably improved, the service life of the device is prolonged, and the equipment failure rate is reduced; the maintenance cost is reduced.