41results about How to "Increase impact force" patented technology

The invention provides a ship bottom dirt removing device for ship repair, and belongs to the technical field of ship cleaning. Comprising a shell, a round pipe is rotationally connected into the shell, a water inlet is formed in the end of the shell, a supporting inner pipe is fixed to the side, close to the water inlet, of the inner wall of the shell, the round pipe is rotationally connected to the surface of the supporting inner pipe, a rotating shaft is arranged in the round pipe, and the end, away from the water inlet, of the rotating shaft movably penetrates through the round pipe and the shell; the end, close to the water inlet, of the rotating shaft is movably sleeved with blades, and connecting rods are fixed to the circumferential faces of the outer walls of the blades. By arranging the shell, the round pipe, the cleaning piece, the contraction mechanism, the driving assembly and the crushing assembly, shellfish organisms can be crushed through the crushing assembly when being cleaned, after crushing, the driving assembly drives the contraction assembly to drive the crushing assembly to contract, dirt at the bottom of the ship is cleaned through the cleaning piece after contraction, and when the dirt at the bottom of the ship is cleaned, the cleaning piece is not damaged. Multiple cleaning tools do not need to be replaced back and forth, and operation is more convenient.

The invention belongs to the technical field of silicon carbide micro powder production, and particularly relates to a ball milling system for producing silicon carbide micro powder, which comprises a bottom plate, a bearing plate is arranged right above the bottom plate, a cylinder is arranged at the top of the bearing plate through a driving assembly, and a plurality of steel balls are arranged in an inner cavity of the cylinder. The lifting assembly is used for lifting the steel balls and is arranged on the cylinder body; the lifting assembly comprises box bodies, the multiple box bodies are fixedly installed on the outer surface of the barrel in a circular arrangement mode, the air cylinders are fixedly installed in the box bodies, and the air cylinders are fixedly provided with long strip plates through piston rods. According to the invention, the lifting assembly for lifting the steel balls is arranged, so that the falling height of the steel balls can be increased when the barrel rotates, and the impact force of the steel balls on raw materials can be improved by increasing the falling height of the steel balls, so that the ball milling efficiency of silicon carbide micro powder can be improved to a certain extent.

The utility model belongs to the technical field of part disassembly, and particularly relates to a quick disassembly and assembly mechanism which comprises a handle, a pull rod, a sliding hammer and an adapter substitute, the handle and the adapter substitute are arranged at the two ends of the pull rod respectively, the adapter substitute is used for being connected with a mechanism to be disassembled or assembled, and the sliding hammer is sleeved on the pull rod and can slide back and forth along the pull rod. During mounting, the sliding hammer slides towards one end of the handle, impacts the handle and provides a dismounting force, and during mounting, the sliding hammer slides towards one end of the adapter, impacts the adapter and provides a mounting force; the section, perpendicular to the pull rod direction, of the sliding hammer is S, and the section S is continuously increased in the direction from the adapter to the handle. According to the quick disassembly and assembly mechanism, provided installation force is not very large, large disassembly force can be provided during disassembly, the standardization of assembly or disassembly operation is improved, operation is easy, and time and labor are saved.

The present invention provides a method and device for polishing the inner surface of a pipeline with magnetic force assistance and a rotating fluid, and belongs to the field of mechanical technology. The polishing device includes a working platform, a fluid processing unit, a vibration unit, a magnetic control unit and a spiral guide unit. The fluid processing unit is symmetrically installed on both sides of the working platform, and the two ends of the workpiece are connected to the fluid processing unit; the spiral guide unit is a spiral rod with magnetic conductivity, which is located inside the workpiece, and the spiral structure on the surface of the spiral rod guides the polishing liquid from the original axial linear motion to the spiral feeding motion along the pipe wall, thereby improving the polishing efficiency. The present invention uses a magnetic force-assisted rotating fluid polishing device on the inner surface of the pipeline for polishing, which can achieve rapid and uniform polishing of the inner surface of a straight pipe and a pipe with variable roughness, thereby reducing the along-the-way resistance of the medium in the pipe, improving the sampling accuracy, and enhancing the stability of the fluid in the pipe, solving the problems of limited polishing of the inner surface of existing slender pipes, uneven processing, and low processing efficiency.

The invention discloses a high-yield semi-feeding type spiral self-grass-discharging threshing machine which comprises a machine frame (1), a threshing bin (2), a threshing roller (3), a grain bin (4) and a grass discharging opening (5). Filter screens (6) are arranged on the two side walls of the threshing bin (2); the grain bin (4) is mounted below the threshing bin (2); the straw discharging opening (5) is formed in the side wall of one side of the threshing bin (2); a grass baffle (9) is arranged on the side wall of the threshing bin (2) on one side opposite to the grass outlet (5); a grass discharging cover (7) is arranged above the threshing cylinder (3) positioned at one end of the grass discharging port (5); and at least one grass discharging tooth nail (18) is arranged at the end part of the threshing cylinder (3) positioned below the grass discharging cover (7). The threshing machine is novel and unique in structure, reasonable in design, easy to use and high in threshing rate, grain splashing is greatly reduced, grain waste is avoided, and the threshing machine can be widely applied to threshing work of crops such as rice, wheat, sorghum, soybeans and coix seeds.

The invention provides a tea fermentation machine convenient for temperature control and a fermentation method thereof, and belongs to the technical field of tea fermentation. Comprising a fermentation cabinet and further comprises a dispersion mechanism, the dispersion mechanism comprises a plurality of flow guide covers fixed in the fermentation cabinet, cylinders are rotationally connected in the flow guide covers, air holes are formed in the cylinders, partition plates are fixed to the inner walls of the flow guide covers, a gear motor is fixed to the side face of the fermentation cabinet, and the output end of the gear motor is fixedly connected with the ends of the cylinders. By arranging the cylinder, the shifting plate and the dispersing assembly, tea leaves are put into the cylinder, water vapor and hot air enter the cylinder from the air holes after being guided by the guide cover, the gear motor drives the cylinder to rotate, the cylinder drives the shifting plate to shift the tea leaves and enables the tea leaves to fall down from a high position, and the dispersing assembly is used for dispersing the falling tea leaves. Tea leaves are in full contact with water vapor and are prevented from being accumulated, so that accurate and reliable temperature control on the tea leaves is realized, and the tea leaf fermentation quality is effectively improved.

The application discloses an oil-gas separation device and a refrigeration cycle system. The oil-gas separation device comprises a separator including a separation cavity; an input pipeline connected with the separation cavity and used for conveying an oil-gas mixture to the separation cavity; a separation filter screen arranged on the separator and used for being passed by the oil-gas mixture entering and leaving the separation cavity and separating the oil-gas mixture; an output port arranged on the separator and used for outputting the gas passing through the separation filter screen; and an adjusting device used for adjusting the flow rate of the oil-gas mixture passing through the separation filter screen.

The utility model discloses an impact test system, which comprises a fixed frame, a movable trolley, a steel bar damper, an impact head, at least one group of energy absorption pipes and an impact plate, and is characterized in that the movable trolley and the fixed frame are oppositely arranged along a first direction and are arranged to be capable of moving along the first direction. The steel bar damper is installed on the fixing frame and comprises a channel extending in the first direction and multiple rows of steel bars penetrating into the channel, and the channel extends in the first direction. The impact head extends in the first direction and is connected with the end, facing the fixing frame, of the movable trolley, the impact head is aligned with the channel in the first direction, and the impact head can be inserted into the channel to abut against the steel bars along with movement of the movable trolley. And each group of energy absorption pipes comprises a plurality of energy absorption pipes and is connected to the end part of one of the fixed frame and the movable trolley. And the impact plate is connected to the fixed frame or the other end part of the movable trolley and is opposite to the energy absorption pipe.

The present invention discloses a large-scale sand mill, which relates to the technical field of sand mills, including a device housing, a rotor structure, a lining structure and a material screening structure. The present invention also discloses a method for using a large-scale sand mill, including the following steps: material feeding, material grinding and material unloading. The present invention sets a device housing, and a rotor structure and a lining structure are set inside the device housing. The material and the grinding medium can be ground inside the device housing. When the material is ground, the rotor structure can push the material and the grinding medium to move, so that the material and the grinding medium are thrown up inside the device housing to increase the collision probability between the material and the grinding medium, thereby achieving the effect of improving the material grinding effect. In the material grinding process, the rotor structure and the lining structure can collide with the material, thereby improving the material grinding effect.

The utility model relates to the technical field of bait production, and discloses a bait stirring device which comprises a supporting frame, the supporting frame is provided with a stirring device, the stirring device is provided with a cover plate, the cover plate is provided with a filter screen, a knocking assembly is arranged between the stirring device and the cover plate, the knocking assembly comprises an installation box, half teeth, a rack, an installation base and a knocking rod, and the installation base is arranged at the upper end of the cover plate. The knocking rod is arranged in the mounting base, a torsional spring is arranged between the knocking rod and the mounting base, the knocking rod is provided with an extension plate, the extension plate is provided with a first abutting block, the mounting box is arranged on the outer wall of the stirring barrel, the mounting box is provided with a sliding groove, the rack is arranged in the mounting box, a spring is arranged between the rack and the mounting box, the rack is provided with a connecting rod, and the connecting rod is provided with a second abutting block. The half teeth are arranged on the outer wall of the stirring device; a power piece is arranged on the outer wall of the stirring device; and through quick resetting of a second abutting block, a first abutting block is pressed downwards, so that a knocking rod downwards impacts a cover plate under the action of a torsional spring, and bait powder attached to the filter screen is knocked down.

The invention relates to the technical field of building drainage, and discloses an anti-blocking hidden building drainage pipeline which comprises an embedded mounting box and an elastic pipeline arranged in the embedded mounting box, the top end of the elastic pipeline communicates with a water inlet connector, and the water inlet connector penetrates through the top wall of the embedded mounting box; a plurality of adjusting plates are arranged on the outer side of the elastic pipeline; when impurities block the interior of the elastic pipeline, the multiple adjusting plates can be driven to get close to one another through the adjusting assembly, so that the elastic pipeline is extruded, the inner diameter of the elastic pipeline is reduced, the impurities blocked in the elastic pipeline are compressed, and after compression is carried out for a period of time, the impurities in the elastic pipeline are removed. And then the multiple adjusting plates are driven by the adjusting assembly to be away from each other, so that the inner diameter of the elastic pipeline is increased, a gap is formed between the impurities and the inner wall of the elastic pipeline, then the impurities in the elastic pipeline can be discharged downwards under the action of water flow, and therefore the drainage pipeline is prevented from being blocked.

The invention relates to the technical field of dental implant detection, in particular to a dental implant abutment performance detection device which comprises a fixing frame, the fixing frame is in a U shape, a fixing rod is fixedly mounted in a U-shaped groove in the fixing frame, two positioning tables are arranged in the U-shaped groove in the fixing frame, mounting grooves are formed in the two positioning tables, and the mounting grooves are communicated with the fixing rod. A fixing shaft is fixedly mounted in the mounting groove in the positioning table close to the bottom end of the fixing frame, and a rotating shaft is rotationally mounted in the mounting groove in the positioning table at the top end of the fixing frame; when the driving gear is controlled to rotate, the teeth on the driving gear stir the lifting toothed plate to move upwards, at the moment, the mounting tank close to the top end of the fixing frame is pulled to move upwards, and after the teeth on the driving gear are separated from the lifting toothed plate, the mounting tank moves downwards and collides with the other mounting tank, so that the mounting tank is prevented from being damaged. Implanted teeth on the two installation tanks are made to collide with the natural tooth model, and occlusal collision in the chewing process is simulated.

The utility model discloses a motor coupling shaft with an anti-collision structure, which comprises a pump, a motor, a coupling shaft body and a convex plate, a rotor shaft is arranged at one end of the motor, the pump is connected with a transmission shaft, the transmission shaft is connected with the rotor shaft through the coupling shaft body, bearings are arranged at two ends of the side surface of the coupling shaft body, and the convex plate is arranged on the coupling shaft body. A plurality of connecting blocks are arranged on the outer side of the bearing, the connecting blocks are connected with movable columns, the movable columns are connected with movable sleeves, the movable sleeves are connected with elastic rings, the movable sleeves on one side of the connecting shaft body are connected to the inner side of the same elastic ring, a plurality of bolts are connected to the outer side of the elastic ring, and the bolts are connected with threaded holes. When the side face of the connecting shaft is collided, the connecting shaft can be well protected, only the convex plate and the concave plate at the part need to be replaced after the device is collided and a part of the convex plate and the concave plate are damaged, and the maintenance cost of the device is reduced.

The invention relates to the technical field of ore crushing, in particular to a multi-stage continuous ore crusher. The pulverizer comprises a pulverizer shell, a base is installed at the bottom of the pulverizer shell, a first pulverizing bin and a second pulverizing bin are arranged in the pulverizer shell, a second pulverizing roller is rotatably installed in the second pulverizing bin, the outer surface of the second pulverizing roller is sleeved with a plurality of rolling discs, and the rolling discs are arranged on the outer surface of the second pulverizing roller. And the multiple grinding discs can grind and crush the ore, second crushing rods fixedly mounted on the outer surface of the second crushing roller are arranged in the middles of the multiple grinding discs, and rotating blocks are rotationally mounted on the side walls of the second crushing rods. And the second crushing rod and the rotating block can strike the entered ore into particle blocks, the ore is beaten to a crushing plate on the inner wall of the second crushing bin, the ore is ground and crushed into powder particles again through a grinding disc, and the effects that the ore is beaten, ground and crushed, and the ore is crushed more thoroughly are achieved.

The invention relates to the technical field of harvesters, and discloses a threshing structure and a harvester, the threshing structure comprises a threshing cylinder, the outer wall of the threshing cylinder is sleeved with two half concave plates, and the two ends of the two half concave plates are both provided with rotating rings. By arranging two half concave plates and a rotating ring, the half concave plates can be erected and fixed, so that the two half concave plates can be combined into an annular concave plate, then by arranging a supporting rod, a first gear, a second gear and the like to be used in cooperation, when the threshing roller rotates to conduct threshing, the rotating threshing roller drives the second gear to rotate, and therefore the threshing effect is improved. A rotating second gear drives a rotating shaft to rotate, the rotating shaft drives a first gear to rotate, and the rotating first gear drives a rotating ring and two half concave plates to rotate, so that when rice is driven by the threshing cylinder to collide with the half concave plates, the half concave plates can be uniformly collided and rubbed; and therefore, the problem of over-frequency replacement of the semi-concave plate due to non-uniform friction is avoided, and waste is avoided.

The utility model discloses a diamond micro-powder shaping machine, and particularly relates to the field of diamond micro-powder processing, which comprises a machine body, a support frame is arranged at the bottom of the machine body, a top cover is arranged at the top end of the machine body, a feed hopper is arranged on the top cover, a discharge pipe is arranged at the bottom of the machine body, and an air bellow is arranged on one side outside the machine body. An air pump is connected to the air bellow, a rotating mechanism is installed in the machine body in a matched mode, a screening assembly is arranged at the bottom end of the rotating mechanism in a matched mode, one end of the screening assembly is rotationally connected with the inner wall of the machine body, the other end of the screening assembly is connected with two fixing plates connected with the inner wall of the machine body, and valves are installed on the feeding hopper and the discharging pipe. A plurality of air holes are formed in one side of the machine body. The diamond micro-powder reshaping device has the advantages that the diamond micro-powder reshaping effect and reshaping efficiency can be improved, in the reshaping process, the screening efficiency can be improved, feeding and discharging can be conducted continuously, and therefore the diamond micro-powder machining efficiency is improved.

This utility model relates to the technical field of highway barrier facilities, and discloses a flexible highway barrier device, including two hollow shells, with a buffer assembly inside each hollow shell. The buffer assembly includes multiple limiting posts fixedly connected to the inner wall of the hollow shell, with a circular plate fixedly connected to one end of each limiting post. A buffer block is slidably connected inside the hollow shell, with multiple cylindrical holes inside the buffer block, and multiple buffer springs fixedly connected to one side of the buffer block. This utility model utilizes the buffer block's retraction into the hollow shell upon impact to create a buffering force, combined with the elastic potential energy of the rubber frame and rubber pad to assist in buffering and reduce vehicle damage. The interlaced elastic ropes deform under force and rebound, absorbing impact force and providing buffering. Furthermore, it facilitates the splicing of multiple barrier devices into one unit, so that when a vehicle collides with a single device, multiple devices simultaneously distribute the impact force, enhancing the buffering and blocking effect.

The present invention discloses a label processing and collecting device for cutting sheets, which improves the problem of stamping quality of cutting sheet stickers in the prior art. In the invention, the outlet of the punching machine is connected to the label conveying device through a sliding plate, and a label inner hole blowing device is provided above the middle of the label conveying device. The outlet of the label conveying device is connected to the finished product conveyor belt, and a baffle is provided on the outer side of the finished product conveyor belt. There is a finished product placement groove at the outlet of the finished product conveyor belt. The label conveying device contains two driving rollers, two rolling rollers, a plurality of parallel conveying belts, a motor and a frame that move relative to each other. The frame has two driving rollers, two rolling rollers and a motor. The label inner hole blowing device contains an air intake pipe, an air nozzle bracket and an air nozzle, wherein one end of the air intake pipe is connected to the air compressor and the other end is connected to the air nozzle. The air nozzles are spaced apart on the air nozzle bracket and are aligned with the gap in the middle of the conveyor belt. This technology prevents the compressed gas from causing impact and vibration to the air nozzle bracket and the air nozzle at the lower end.

The utility model provides a fly ash drying device, which relates to the technical field of fly ash drying, and comprises a transfer frame, a conveyor belt, a support frame, a fixing frame, a drying groove, a top cover, a locking fastener, a discharge port, a sealing plate, a through groove, a rotating shaft, a scraper blade, an air inlet hole, an air inlet pipe, a positioning bulge, a driving mechanism, a driving motor, a first belt wheel and a second belt wheel, the rotating directions of the drying groove and the rotating shaft in the device are opposite, under the condition that the rotating speeds of the drying groove and the rotating shaft are not increased, the impact force between the coal ash and the scraping plate is increased, the coal ash can be conveniently scattered, the time needed by drying is shortened, and meanwhile the top cover is opened, so that the coal ash can be conveniently dried. Fly ash can be evenly laid in the drying groove at a time, the later dispersing time of the fly ash is saved, meanwhile, the discharging efficiency of the fly ash in the drying groove can be improved by turning over the drying groove and the top cover and controlling the rotating shaft and the scraper to rotate, time is saved, and the using effect is good.

The utility model discloses a kind of rebound detection devices for silicone rubber, belong to detection equipment technical field, comprising: measuring base, the measuring base is fixedly connected with support column, the top of the support column is fixedly connected with sliding shell, the inside sliding connection of the sliding shell has sliding rod, the inside hinged of the sliding rod has rotating seat, in the rebound detection of silicone rubber in the utility model, different kinds of silicone rubber required measurement data are different, need different impact force to obtain more rebound data value, by setting air pressure acceleration structure, staff can start air pump, air pump is continuously injected gas to swing rod and inside pendulum by gas delivery pipe, when the air pressure inside pendulum reaches certain numerical value, by opening the different opening degree of metering discharge valve, different amount of gas is ejected, different acceleration is generated to pendulum when gas is ejected, and then the impact force of pendulum to silicone rubber is increased, satisfy the test demand of different silicone rubber.

The invention relates to the technical field of taro extraction, and discloses a tobacco taro extract high-purity separation and extraction device, which comprises a crushing box, an annular hollow block is rotatably mounted on the outer wall of the crushing box, the annular hollow block is communicated with the crushing box, a plurality of exhaust round holes are formed in the outer wall of the annular hollow block, and the exhaust round holes are communicated with the crushing box. An L-shaped annular plate is fixedly installed on the outer wall of the annular hollow block, the crushing mechanism comprises an annular plate rotationally installed on the outer wall of the L-shaped annular plate, a plurality of fan blades are fixedly installed on the outer wall of the L-shaped annular plate, and the fan blades are all matched with the annular plate. Due to the fact that the rotating direction of the rotating plate is opposite to the rotating direction of the flying henry steudnera tuber powder, the rotating plate can generate larger impact force with the henry steudnera tuber powder at the moment, the henry steudnera tuber powder is thoroughly crushed, it is guaranteed that the henry steudnera tuber powder can be effectively collected, the thoroughly-crushed henry steudnera tuber is more convenient to purify, and the situation that the purification effect is affected by large henry steudnera tuber powder is avoided.

The present invention discloses a horizontal drum type slag separation device, comprising: a screen drum device, a feeding device for providing high-flow slurry, a slag discharge trough for receiving slag with a particle size larger than the sieve hole diameter, a ore receiving trough for receiving materials with a particle size smaller than the sieve hole diameter, and a supporting device. The screen drum device can rotate relative to the supporting device, and the outlet of the slag discharge trough is connected with the discharge port of the screen drum device; a plurality of screen holes are arranged on the side of the screen drum device, and a special-shaped baffle is arranged on the inner peripheral wall of the side of the screen drum device. A radial structure can be formed between two adjacent special-shaped baffles so that the slag falls when rotating to a high position. The feeding device is provided with a nozzle for spraying slurry, and the spraying direction of the nozzle is toward the special-shaped baffle, so that the kinetic energy of the high-speed slurry is converted into the kinetic energy of the rotation of the screen drum device. The device can separate slag and materials without additional driving force, and does not require manual cleaning. The device has a simple structure and is easy to use, and can be promoted for use.

The invention relates to the technical field of earthquake early warning and monitoring equipment, and particularly discloses an earthquake monitoring and early warning device and a use method thereof.The earthquake monitoring and early warning device comprises a pipe body, the inner bottom end of the pipe body is conical, a mounting plate is mounted on the inner wall of the pipe body, a connecting rope is mounted at the bottom of the mounting plate, and a gravity ball is mounted at the bottom end of the connecting rope; a plurality of placement grooves are formed in the outer wall of the pipe body in the length direction, fixing holes are formed in the top ends of the inner walls of the placement grooves, L-shaped rotating plates are rotationally installed in the fixing holes, one ends of the rotating plates are located in the pipe body, the other ends of the rotating plates are located in the placement grooves, and fixing plates are installed at the bottoms of the ends, located in the placement grooves, of the rotating plates; a limiting hole matched with the connecting rope is formed in the side face of the end, located in the pipe body, of the rotating plate in the length direction. According to the invention, the pipe body is installed at an underground position with a specified depth through the drill bit and the connecting rod, so that the monitoring of seismic waves is not affected by external vibration.

The invention belongs to the technical field of silicon wafer processing, and particularly relates to a photovoltaic silicon wafer drying device for photovoltaic cells, which comprises a case, a control unit is arranged on one side of the top of the case, an adjusting unit is arranged on one side, close to the center line of the case, of the control unit, and a drying unit is arranged on one side in the case; the segmented columns are matched with the connecting rods, and the separating and combining seats at different positions are controlled to slide in a manner that the moving distance is linearly increased or decreased in unit time under the guiding action of the notch frames, so that the reserved vertical space of the silicon wafer to be cleaned between the adjacent protective plates is adjusted, the maneuverability of the silicon wafer to be cleaned in the cleaning liquid is improved, and the cleaning efficiency is improved. The fluidity and interaction disorder between the to-be-cleaned silicon wafer and the cleaning liquid are improved, meanwhile, the impact acting force of bubbles generated by the ultrasonic cavitation effect at the expansion or contraction moment and the surface of the to-be-cleaned silicon wafer is enhanced to a certain degree, and then the cleaning effect on the to-be-cleaned silicon wafer is improved.

The utility model relates to the technical field of electric vehicle equipment, and provides an electric vehicle triangular saddle supporting frame which comprises a saddle frame, and damping units connected with a saddle are symmetrically arranged at the tail of the saddle frame. The damping unit comprises a lower cylinder and an upper cylinder, the lower cylinder is fixedly connected to the saddle frame, the upper cylinder is arranged outside the lower cylinder in a sleeving mode and connected with the lower cylinder through a damping spring, and the top of the damping spring extends out of the lower cylinder, so that a gap is formed between the top of an inner cavity of the upper cylinder and the top of the lower cylinder. The damping device overcomes the defects in the prior art and is reasonable in design and compact in structure, when the saddle of the electric vehicle moves downwards for damping, the damping ring extrudes the damping fin downwards to enable the damping fin to deform, the downward damping effect is improved, when the saddle of the electric vehicle resets upwards, the damping fin can provide damping force, the saddle of the electric vehicle is prevented from rebounding quickly, and the service life of the saddle is prolonged. And during shock absorption, the upper cylinder can slightly move left and right, and the shock absorption effect can be improved.

The embodiment of the present application provides a combined feeding device for a power plant, which relates to the technical field of feeding devices. A combined feeding device for a power plant includes: a feeding mechanism, a driving and adjusting mechanism, the driving and adjusting mechanism is located at the lower end of the middle part of the feeding mechanism, and a dust raising mechanism is located at the front end of the driving and adjusting mechanism. The driving and adjusting mechanism controls the feeding height of the feeding mechanism, and the driving and adjusting mechanism controls the dust raising height of the dust raising mechanism. The feeding mechanism transports the material to the inside of the dust raising mechanism, and the higher the lifting height of the feeding mechanism. By increasing the time that the coal blocks are inside the dust box, the coal blocks are vibrated and lifted inside the dust box, and the number of air intake ports opened is automatically adjusted to adsorb the dust, thereby achieving efficient and energy-saving dust adsorption work, effectively reducing the dust content in the coal blocks, and greatly improving the combustion efficiency of the coal blocks during power generation.

The utility model discloses an EPS protective cover for electric appliance transportation protection, and relates to the field of electric appliance transportation protection equipment, the EPS protective cover comprises a protective cover main body, the protective cover main body comprises bottom plates, an outer fixing sleeve plate and an outer middle bearing sleeve plate, and the opposite surfaces of the two bottom plates are connected with a plurality of first fixing insertion blocks in a sliding manner. According to the protective cover, the paper shell and the supporting foam plate are arranged on the periphery of the protective cover body, the protective cover body is prevented from being dispersed after being impacted, the supporting foam plate can play a buffering role, impact force directly borne by the protective cover body is reduced, and the inner fixing sleeve plate and the inner middle bearing sleeve plate are arranged in the outer fixing sleeve plate and the outer middle bearing sleeve plate, so that the protective cover body is prevented from being damaged. The impact resistance of the protection cover body is improved, the electric appliance protection effect of the protection cover body is improved, the impact force borne by the second buffer plate can be detected through the pressure sensor, and when the pressure sensor detects that the impact force is too large, a worker is reminded, so that the worker is prevented from being impacted by the protection cover body.

The utility model discloses a municipal road foundation pit safety protection device which comprises a lower plate and an upper plate, one side of the lower plate is provided with a supporting assembly, the supporting assembly comprises a supporting plate and a supporting rod, the two sides of the lower plate are provided with rotating assemblies, each rotating assembly comprises a rotating sleeve and a rotating rod, the inner side of each rotating rod is provided with a clamping assembly, and each clamping assembly is provided with a clamping groove. According to the municipal road foundation pit safety protection device, the supporting rods and the supporting plates can be mutually spliced and fixed to form a stair shape, people do not need to climb or excavate stairs with hands, and the safety protection device is convenient to use and high in practicability. When strong wind is encountered, the top of the upper plate rotates to the ground, the windward area of equipment is reduced, the upper plate and the lower plate are prevented from being damaged by strong wind, the safety and the fixing firmness of the device are guaranteed, and the safety protection device is suitable for safety protection of municipal road foundation pits.

The present invention discloses a raw material crushing and impurity removal device for glass production, and relates to the technical field of glass production. The present invention forms a negative pressure environment inside a crushing shell and a separation chamber through a negative pressure air pump, thereby avoiding dust generated during the crushing and separation process from overflowing and polluting the operating environment. This negative pressure design not only ensures the environmental protection of the crushing process, but also effectively reduces the loss of raw materials and improves the economic benefits of the device; by setting a sliding inclined pipe and a recovery pipeline, raw materials with larger diameters that are not fully crushed can be automatically returned to the crushing system for re-crushing. This recycling and re-crushing design greatly improves the utilization rate of raw materials, avoids the situation where large particles are not fully processed, ensures the consistency of the particle size of the final product, and can also separate and screen some impurities in the raw materials that cannot be crushed.

The utility model discloses a culture pasture scattering device which comprises a rotating cylinder, a beating mechanism and a destroying mechanism are arranged in the rotating cylinder, the beating mechanism is used for hammering pasture blocks and comprises a rotating rod, a plurality of swing rods are arranged on the outer side of the beating mechanism and made of elastic materials, one end of each swing rod is fixedly connected with a pendulum bob, and the other end of each swing rod is fixedly connected with the destroying mechanism. A plurality of claw nails are arranged on the outer side of the pendulum bob, the pendulum bob destroys and grabs the pasture blocks through the claw nails, and a driving mechanism is arranged outside the rotating cylinder and used for driving the rotating cylinder and the rotating rod to rotate in different directions. The rotary drum and the rotary rod are driven to rotate simultaneously and reversely, so that when pasture blocks are placed in the rotary drum, the pasture blocks and the pendulum bob move in opposite directions, the pendulum bob can impact the pasture blocks face to face so as to achieve the scattering effect, the relative movement of the pasture blocks and the pendulum bob has larger impact force, and the pasture blocks can be scattered. And the soft swing rod and the claw nails on the surface of the pendulum bob can also utilize the impact.