837results about How to "Smooth entry" patented technology

According to the ball mounting device for the ball screw pair of the steering gear, the angle of the nut base is adjusted through the nut rotation driving structure in the steel ball mounting process, and then injection of steel ball channels with inlets of different angles is guaranteed; the ball injection structure achieves lifting motion based on the ball loading lifting driving structure, and it is ensured that steel ball channels with different heights are injected. And automatic discharging of the steel balls is achieved through cooperation of the discharging structure and the ball injection structure, and the installation efficiency is effectively improved.

The invention discloses a foreign body mesh basket and a medical device for taking out foreign bodies in minimally invasive surgery, and relates to the technical field of medical instruments. The foreign matter mesh basket comprises a fixing ring, a plurality of traction wires and a woven mesh body. One end of each traction wire is connected to the opening end of the woven mesh body, and the other end is connected with the fixing ring; the woven mesh body comprises a first circular-truncated-cone-shaped mesh part and a second circular-truncated-cone-shaped mesh part which are in a double-circular-truncated-cone shape, the first bottom face forms an opening end, the second bottom face and the third bottom face are communicated and located on the same plane, the area of the second bottom face is larger than that of the third bottom face, and the second bottom face and the third bottom face are connected through the circular-ring-shaped mesh part. The plane where the circular ring net-shaped part is located is perpendicular to the axis of the woven net body, and the fourth bottom face is a closed net-shaped face. The foreign matter picking efficiency of the foreign matter net basket is improved, meanwhile, it is guaranteed that flowing of liquid in the lumen of the human body is not affected, and the operation safety is improved.

The invention relates to the technical field of automatic loading and unloading of logistics forklifts, in particular to a novel automatic loading and unloading system of an unmanned forklift in a van environment, and the system comprises a positioning map binding module which is used for binding platform areas where a plurality of trucks are parked on a positioning map; and the task issuing module is configured to receive a task issued by a driver through a pad system when a truck arrives and transmit the task to a warehouse management system (WMS), and the WMS issues a cargo taking and placing task of a corresponding map point position according to a platform number. And the visual servo system adopting the solid-state laser radar provides high-precision and high-stability navigation capability for the AGV.

The utility model discloses a wastewater treatment device for circuit board production, and belongs to the technical field of circuit board production. Comprising a treatment box, a water inlet pipe is arranged at the upper end of the treatment box, a water outlet pipe is arranged at the lower end of the right side wall of the treatment box, a feeding opening is formed in the position, over the water outlet pipe, of the right side wall of the treatment box, a stirring and screening mechanism is arranged in the treatment box, and the stirring and screening mechanism comprises a motor; through the arranged stirring and screening mechanism, when wastewater enters the treatment box, a screen plate can vibrate up and down, the situation that due to standing of the screen plate, metal waste residues block filter holes, and the filter efficiency is affected is avoided, and meanwhile vibration of the screen plate can drive a dredging rod and a scraper to move up and down in a reciprocating mode; the dredging rod and the scraping plate are used for dredging and scraping the sewer pipe wall of the water inlet pipe, so that waste residues in wastewater are prevented from being attached to or blocking the water inlet pipe, the wastewater can enter the treatment box more smoothly, and the pretreatment effect of the wastewater is improved.

The invention relates to the technical field of carbon black processing equipment, in particular to a carbon black dust anti-blocking conveying system which comprises a positive pressure conveying unit, a feeding unit and a negative pressure conveying unit which are connected to a conveying pipeline. The output end of the negative pressure conveying unit is connected with a collecting unit; wherein the positive pressure conveying unit comprises a positive pressure fan connected to the conveying pipeline, the positive pressure fan is connected to the front end of the feeding unit, the positive pressure conveying unit is arranged on the conveying pipeline, air can be forcibly supplied to the pneumatic conveying pipeline, under the normal working condition, micro-negative pressure is kept at an outlet of the positive pressure fan, and the positive pressure fan is connected to the feeding unit. Once the conveying pipe is partially blocked, the positive pressure fan works, the outlet pressure of the positive pressure fan is increased, the powdery carbon black at the blocked part is pushed to flow by positive pressure, so that the normal working condition is recovered, and secondly, the carbon black dust collected by the exhaust bag filter is relatively high in moisture content and is easy to cause blockage, so that the position of the carbon black dust is adjusted to the tail end of the conveying pipe.

The invention provides an extrusion structure and device for producing plant fiber products, the extrusion structure comprises a guide pillar and an expansion body arranged on the periphery of the guide pillar, the guide pillar is a supporting structure of the expansion body, the expansion body can be filled with recyclable objects through the guide pillar so as to expand the expansion body, and the expanded expansion body is used for extruding the inner wall of a product to be processed. According to the extrusion device for the paper-plastic product, the expansion body is expanded and shrunk by externally connecting the air inflation equipment and the air exhaust equipment, so that the expansion body smoothly enters the product, smooth demolding is facilitated, the air flow channel is used for containing the expansion body, and when the air exhaust equipment exhausts air into the expansion body, the expansion body shrinks into the air flow channel; the diameter of the expansion body wrapping the periphery of the guide column can be reduced, and most of the expansion body is stacked in the air flow channel, so that the wall thickness and the diameter of the expansion body can be increased as much as possible and the expansion ratio of the expansion body can be reduced under the condition that the inner diameter of the closing position of a product container is fixed, and the service life of the expansion body is prolonged.

The invention relates to a urea injection pipe structure, a cleaning device and a cleaning method. The urea injection pipe structure comprises a connecting valve and an electromagnetic plug connector installed on the connecting valve, and a flow guide pipe and a conveying pipe are arranged on the two sides of the connecting valve respectively; the fixing disc is installed at the end of the conveying pipe, a plurality of first through holes distributed at equal intervals in the circumferential direction are formed in the fixing disc, and a conveying assembly matched with the first through holes is arranged in the conveying pipe and used for discharging urea in the conveying pipe through the first through holes; and the conduction regulation and control mechanism is arranged on the fixed disc and connected with the conveying assembly, the conduction regulation and control mechanism can act when the conveying assembly moves and adjust the conduction state of the first conduction hole, and when urea crystals are generated in the first conduction hole, the conduction regulation and control mechanism can be controlled to move through the conveying assembly, so that the conduction state of the first conduction hole is adjusted; therefore, the first via hole is always kept in a smooth state.

The invention relates to the technical field of power plant monitoring, in particular to a power plant foreign person behavior analysis method and system, and the method comprises the following steps: S100, obtaining the identity information of a to-be-incoming person, and analyzing whether the to-be-incoming person is a foreign person; s200, acquiring abnormal conditions of equipment in the factory; s300, generating an optimal path according to the operation area where each abnormal device is located, and setting a temporary authority of accessing the corresponding operation area for the foreign personnel; s400, monitoring the real-time position of the foreign person, and analyzing the offset between the real-time position and the optimal path; s500, analyzing a path abnormal condition of the foreign personnel, and generating an abnormal behavior risk value; and S600, generating an abnormal prompt. By adopting the scheme, the position of the foreign personnel can be monitored in real time, the path planning and guidance can be performed according to the maintenance requirement in the factory, and meanwhile, the abnormal behavior of the foreign personnel can be identified and alarmed in time by analyzing the deviation between the real-time position of the foreign personnel and the predetermined path.

The invention relates to the field of disassembly of packing belts of packing boxes, and particularly discloses an automatic recycling and sectioning device and method for a box packing belt, the automatic recycling and sectioning device comprises a recycling and feeding mechanism, a recycling and cutting mechanism, a tail end discharging mechanism, a power mechanism and an auxiliary device, and the recycling and feeding mechanism comprises a pressing air cylinder, an upper roller assembly and a lower roller; the recycling and shearing mechanism comprises a belt cutting air cylinder cutter set. The tail end discharging mechanism comprises a pressing belt wheel air cylinder, an upper pressing belt wheel and a lower pressing belt wheel. The power mechanism comprises a motor; the auxiliary device comprises a position sensor, a rack and a synchronous belt. According to the recycling and sectioning method, the two ends of the packing belt are tensioned, and then the upper blade and the lower blade are used for shearing. By the adoption of the packing belt recycling device, packing belts with different thicknesses can be recycled according to whether the packing belts are bent or not, the packing belts can be prevented from remaining in equipment through an internal mechanical structure, efficient operation of the mechanism is guaranteed, and automation and high efficiency of packing belt recycling are achieved.

The invention provides grain sorghum combine harvesting equipment, and relates to the technical field of grain harvesting, the grain sorghum combine harvesting equipment comprises a vehicle body and a harvesting bucket, the top end of the harvesting bucket is fixedly connected with a connecting frame, one side of an inner cavity of the connecting frame is rotatably connected with a rotating rod, and the outer surface of the rotating rod is fixedly connected with a reel for pulling an object to be cut; a driving assembly is arranged at the end, close to the vehicle body, of the harvesting hopper, a cutting knife assembly used for grain harvesting is fixedly installed on one side of an inner cavity of the harvesting hopper, through grooves are formed in the two sides of the end, close to the vehicle frame, of the harvesting hopper, and the cutting knife assembly comprises a cutting table fixedly connected to one side of the inner cavity of the harvesting hopper; top blocks are fixedly connected to the two sides of the top end of the guide plate, a scraping plate used for removing blockages is arranged at the top end of the guide plate, crops blocked in the blades are cleaned through the scraping plate, the cutting effect of the cutter assembly is guaranteed, meanwhile, manual cleaning is not needed, and the working efficiency of the equipment is effectively improved.

The invention relates to the technical field of wastewater treatment, in particular to a reaction device for chemical organic matter degradation, the reaction device for chemical organic matter degradation comprises a shell mechanism, a driving mechanism, two stirring mechanisms, an auxiliary mechanism and a cleaning mechanism, the shell mechanism comprises two supporting columns, a heating shell and a reaction shell, the two supporting columns are installed on the ground at intervals, the heating shell is fixedly installed between the two supporting columns, the reaction shell is installed in the heating shell, the stirring mechanism is driven by the driving mechanism to stir mixed liquid in the reaction cavity, the contact and mixing effects between organic matter liquid and a degradation agent are improved, and therefore the mixing efficiency is improved; the cleaning mechanism can be used for cleaning the gas outlet of the gas guide auxiliary assembly, so that the blockage condition is prevented, the auxiliary gas can be ensured to smoothly enter the reaction cavity, and the normal reaction is ensured.

The invention provides a battery box locking mechanism and a vehicle. The battery box locking mechanism comprises a first guide part, a second guide part arranged on a battery and at least one locking part arranged on a battery bracket. And the second guide part comprises a second guide plate pivoted on the battery bracket and a first elastic piece propped against the second guide plate. The first guide part is provided with a first guide plate, the first guide plate and the second guide plate are oppositely arranged and define an inverted-splayed open groove, when the battery box moves downwards, the second guide plate pivots relative to the battery bracket, and the first elastic piece is compressed to store energy. The locking part comprises a locking seat, a first driving part connected to the locking seat, and a locking rod connected to the power output end of the first driving part. The locking seat is provided with a locking groove, the battery box is provided with a guide rod matched with the locking groove, and the first driving part drives the locking rod to abut against the guide rod so as to limit displacement of the battery box. According to the invention, the alignment accuracy during replacement of the battery box can be realized, and the clamping stagnation phenomenon is avoided.

The invention discloses a continuous fiber reinforced co-extrusion die, a forming line body and a fiber reinforced foaming floor, and relates to the technical field of foaming floors, the continuous fiber reinforced co-extrusion die comprises a die body, the front end face and the rear end face of the die body are a mixed extrusion face and a core material feeding face respectively, and one side face of the die body is provided with a shell material feeding port; a core material supply channel penetrating through the mixed extrusion face and the core material supply face is formed in the mold body, a shell material supply cavity surrounding the core material supply channel is formed in the mold body, two fiber channels are formed in the mold body, the two fiber channels are symmetrically arranged up and down, and the fiber channels are arc-shaped bent channels. The forming line body comprises a continuous fiber reinforced co-extrusion die, a core material extruder and a shell material extruder; a shaping module, a vacuum water cooling group, an open type water cooling group and a traction machine are sequentially arranged on the mixed extrusion surface of the mold body. According to the invention, the overall strength and performance of the composite material are optimized, and uniform distribution and orientation of reinforced fibers are ensured.

The invention discloses a polyethylene polyamine wastewater treatment and recovery device, and relates to the technical field of wastewater treatment.The polyethylene polyamine wastewater treatment and recovery device comprises a sedimentation tank, a treatment tank, a stirring mechanism and a deslagging mechanism, the stirring mechanism comprises a servo motor and a supporting module, and the supporting module is installed in the middle of the bottom of an inner cavity of the treatment tank; a rotating shaft is rotatably mounted in the middle of the top of an inner cavity of the treatment tank, a cylinder is fixedly mounted at the bottom end of the rotating shaft, a material turning plate is fixedly mounted in the middle of the outer circular surface of the cylinder, and a stirring assembly is mounted at a rectangular opening of the outer circular surface of the cylinder; a liquid outlet of the slag storage box communicates with a liquid outlet square pipe, a liquid inlet of the liquid inlet square pipe and a liquid outlet of the liquid outlet square pipe are each provided with a material guide hopper, and a filtering assembly is installed in the middle of the interior of the slag storage box. The polyethylene polyamine wastewater treatment and recovery device achieves the staged treatment effect, wastewater staged treatment can be achieved, wastewater and a treatment agent are fully mixed, and the wastewater treatment effect is good.

The invention relates to the technical field of powder forming, and provides iron powder forming equipment for powder metallurgy, which comprises an equipment frame, an iron powder storage box and a top frame, the iron powder storage box is arranged on the surface of the equipment frame, the top frame is fixed on the top of the equipment frame, and a forming cleaning assembly is arranged in the top frame. The feeding assembly is arranged between the iron powder storage box and the equipment frame, the inner frame is fixed to the inner side of the equipment frame, the forming and discharging assembly is arranged between the equipment frame and the inner frame, and the feeding assembly comprises a pair of first sliding rails. By means of the technical scheme, the problems that in the related technology, the mode of distributing materials into a forming die base is single, materials need to be evenly distributed manually, workers need to conduct probing operation, castings can be lifted upwards after forming and need to be manually taken out after lifting, iron powder residues exist on the surfaces, cleaning is inconvenient, and the production efficiency is high are solved. And the problems that the cleaning function is not achieved, residues exist in the die holder after multiple times of machining, and the interior is difficult to clean are solved.

The invention discloses a pillow inner packaging machine which comprises a controller and a horizontally-arranged rack, and a guide conveying mechanism, a pre-compression mechanism, a film bag opening mechanism, a fifth conveying platform, a bag film feeding mechanism and a sealing mechanism are sequentially arranged on the rack. On one side of the fifth conveying platform, the coiled film bags are made into bags which are used for packaging pillow inners, one ends of the bags are sealed, and the other ends of the bags are open; and the fluffy pillow inner materials are pre-compressed on the other side of the fifth conveying platform through a pre-compression mechanism. The opening of the bag is opened through a film bag opening mechanism and pulled to a fifth conveying platform, then the compressed pillow inner is fed into the bag, and pillow inner bagging is completed; and the bagged pillow interiors are conveyed backwards on the fifth conveying platform, and the other ends of the bags are sealed through the sealing mechanism, so that automatic packaging of the pillow interiors is completed.

The invention discloses an agricultural planting fertilization and pesticide spraying device, and belongs to the field of agricultural equipment.The stirring device comprises an electric telescopic rod, the electric telescopic rod is fixedly connected to the front face of a box body, the outer wall of the electric telescopic rod is fixedly connected with a connecting rod, and the side face of the connecting rod is fixedly connected with a first extrusion block; the front face of the box body is fixedly connected with a fixing plate, and a moving rod movably penetrates through the side face of the fixing plate. The electric telescopic rod is started to drive the connecting rod to ascend, so that the first extrusion block is pushed to move upwards. And the first extrusion block extrudes the second extrusion block, and then the second extrusion block drives the moving rod to move towards the right side. In the process, an extrusion spring plays a buffering role, meanwhile, through the synergistic effect of a connecting block, a shifting rod moving rightwards, an electric telescopic rod and an extrusion block, crops are pushed aside, and pesticide can be accurately sprayed to places where spraying is not easy.

The invention relates to the field of portable heat dissipation, in particular to a neck-hanging fan which comprises a first air duct provided with a first air outlet, a fan and a second air duct containing the fan, and the second air duct and the first air duct are connected to form a ventilation channel with the air flow direction; a fan is arranged in the first air duct, the rotating center axis of the fan and the center axis of the first air duct in the air flow direction are arranged in an inclined mode, the fan comprises a high-speed three-phase motor, the working voltage of the high-speed three-phase motor is 3-6 V, the working current of the high-speed three-phase motor is 0.25-8 A, and the rated power of the high-speed three-phase motor is 1-10 W. The neck-hanging fan has the high-speed and uniform air outlet effect, and the problem that when an existing neck-hanging fan is used outdoors, the user experience feeling is poor is solved.

The invention relates to the technical field of gas path pipe fittings, in particular to a gas path pipe fitting structure and a batch gallium nitride production system. The gas path pipe fitting structure comprises a main pipe body, a branch pipe, a partition plate, a first sliding piece, a second sliding piece and a driving rod. The branch pipes are communicated with the main pipe body. The branch pipe is divided into a first pipe cavity and a second pipe cavity by the partition plate. The driving rod is in sliding fit with the branch pipe. The first sliding piece is in sliding fit with the second pipe cavity and is in sliding sealing, the driving rod penetrates through the first sliding piece and is in sliding fit with the first sliding piece, and the second sliding piece is fixedly connected to the end of the driving rod. An air outlet is formed in the side wall of the second pipe cavity, and when the first sliding part is attached to the partition plate, the edge of the side, away from the main pipe body, of the air outlet is flush with the surface of the side, close to the main pipe body, of the first sliding part. The driving rod is driven by the first driver and can drive the second sliding piece into the main pipe body. The method can help to determine the health degree of the whole gas path, and is beneficial to improving the feed gas conveying accuracy.

The invention discloses an automatic feeding and discharging device for circuit board printing, and particularly relates to the technical field of circuit board production, the automatic feeding and discharging device comprises a conveying seat, positioning assemblies are symmetrically arranged on the left side and the right side of the conveying seat, a cleaning assembly is arranged at the upper end of the conveying seat, and a printing assembly is arranged on the front side of the cleaning assembly; pushing assemblies are symmetrically arranged at the left end and the right end of the front side of the conveying base, lifting assemblies are arranged on the front sides of the pushing assemblies, and a plurality of material discs are arranged at the upper end of the conveying base. According to the automatic feeding and discharging device for circuit board printing, through cooperation of all the structures, the position of a circuit board can be accurately calibrated in the feeding process, machining errors caused by inaccurate positioning are avoided, the circuit board is cleaned synchronously, it is ensured that the surface of the circuit board is clean, and the working efficiency is improved. And the printed circuit board can be intermittently conveyed to a designated position to be stored in the discharging process, so that rapid storage and taking in the later period are facilitated, and the whole feeding and discharging process is optimized.

The invention relates to an automatic material distributing and conveying system which comprises a control mechanism and a rack, a plurality of bearing rods and a plurality of material lifting rods are arranged on the rack at intervals in the length direction, and a plurality of first stop levers, a plurality of eccentric conveying roller mechanisms and at least one sensor are arranged on the discharging side of the rack at intervals in the length direction; the end, close to the discharging side, of the material lifting rod and the end, away from the discharging side, of the first stop rod are hinged to the rack. The multiple material lifting rods are connected with a first driving mechanism, the multiple first stop levers are connected with a second driving mechanism, a second stop lever is fixedly arranged at the end, close to the feeding side, of each eccentric conveying roller mechanism, and the multiple eccentric conveying roller mechanisms are connected with a third driving mechanism. According to the automatic material distributing and conveying device, the technical problems that when an automatic material distributing and conveying device in the prior art conveys large-diameter long materials, a stop mechanism and a jacking mechanism are prone to being damaged, and the bent long materials cannot be smoothly conveyed to a cutting platform can be solved. The invention further relates to an automatic material distributing and conveying method.

The invention relates to the technical field of peanut kernel transportation, and discloses a peanut kernel conveying system with a sorting function and a conveying method.The peanut kernel conveying system comprises a feeding module used for containing peanut kernels to be conveyed and sucking the peanut kernels for flow guiding; the conveying module is arranged at the end, provided with the conveying channel, of the feeding module and used for conveying the guided peanut kernels. The sorting module is arranged at the end, away from the feeding module, of the conveying module and used for sorting the peanut kernels conveyed by the conveying module. The image obtaining module is arranged above the conveying module and used for obtaining images of the peanut kernels conveyed by the conveying belt. The central control module is used for determining the suction power when the peanut kernels are sucked according to the weight of the peanut kernels. The central control module is further used for determining the conveying speed when the conveying module conveys the peanut kernels according to the suction power of the peanut kernels and the image of the peanut kernels conveyed by the conveying belt. By accurately controlling and adjusting the suction power and conveying speed of peanut kernels, the working efficiency during peanut kernel conveying is improved.

The invention relates to the technical field of grassland ecological restoration, in particular to a root cutting device for a degraded leymus chinensis grassland and a restoration method. A suspension frame is arranged on a rack of the root cutting device, and the rack is constructed to walk on a sheep grass land along with movement of traction equipment. A punching assembly, a root cutting assembly and a fertilizing assembly are sequentially arranged on the rack in the walking direction. The punching assembly is configured to rotate along with walking of the rack and punch holes in the sheep grass land along the walking path of the rack, so that a plurality of punching belts are formed in the sheep grass land. The root cutting assembly is configured to rotationally cut in downwards from the surface of the leymus chinensis grassland through power transmission, loosen a soil hardening layer between the adjacent punching belts, cut off leymus chinensis roots in soil and construct a root cutting area between the punching belts along the walking path of the rack. The fertilizing assembly is used for fertilizing the root cutting area. According to the root cutting device for the degraded leymus chinensis grassland, the regeneration efficiency of leymus chinensis roots and the restoration quality of the grassland are improved.

The invention discloses battery cell liquid injection equipment and a battery cell production line, a battery cell liquid injection tool comprises a bearing tray, a base, a support and a liquid injection assembly, the bearing tray is used for bearing a battery cell to be subjected to liquid injection, the bearing tray is placed on the base, the support is connected with the base, the support comprises a base plate moving in the vertical direction, the liquid injection assembly is arranged on the base, and the base plate is arranged on the base. The liquid injection assembly comprises a liquid injection needle, the base plate drives the liquid injection needle to move in the direction close to a liquid injection hole of a battery cell to be injected, a first limiting assembly is arranged on the bearing tray, a second limiting assembly is arranged on the liquid injection mechanism, and a third limiting assembly is arranged between the bearing tray and the base. The first limiting assembly, the second limiting assembly and the third limiting assembly are used for limiting the position of the liquid injection hole of the to-be-injected battery cell relative to the liquid injection needle, and the risk that the liquid injection needle punctures a non-liquid injection hole in the to-be-injected battery cell can be reduced.

The utility model relates to the technical field of injection molding machines, in particular to a feeding mechanism of an injection molding machine with a plastic shell, which comprises a storage component for storing raw materials, and a cleaning component for scraping attached materials on the inner wall of a hopper is arranged at the top of the storage component. According to the utility model, the motor I is used for providing power to drive the spiral scraper to rotate, and the rotating spiral scraper pushes raw materials adhered to the inner wall of the hopper downwards, so that the raw materials on the inner wall of the hopper fall into the bottom of the hopper and are discharged through the blanking pipe; accumulation of raw materials on the side wall of the hopper is avoided, and it is guaranteed that the materials can smoothly enter an injection molding machine; meanwhile, the hopper is driven by the transmission part to reciprocate up and down, so that raw materials can be effectively prevented from being blocked in the discharging process.

The invention provides a ball injection mechanism for a ball screw pair of a steering gear. A steel ball can be injected into a steel ball channel of a nut without manual assistance. Two arc-shaped channels from top to bottom are formed in an inner cavity of a middle ball injection part of the ball injection structure, it is ensured that a steel ball can smoothly enter a steel ball channel in a to-be-installed nut, and it is ensured that after a ball fixing rod goes deep into the inner cavity of the ball injection part, the steel ball can smoothly enter the steel ball channel in the to-be-installed nut. And the steel ball can be smoothly pushed from the arc-shaped channel into the steel ball channel in the nut to be mounted.

The invention relates to the technical field of gas detection, in particular to a formaldehyde detection device based on multiple probes, which comprises a probe main body and a gas detection assembly, the gas detection assembly comprises a butt joint part arranged at the bottom of the probe main body, and a semiconductor gas detection element is arranged in the middle of the butt joint part. A mounting cylinder is arranged on the outer side of the semiconductor gas detection element, and a filtering piece is arranged at the bottom of the mounting cylinder; a heat conducting plate is arranged in the mounting cylinder, is in contact with the semiconductor gas detection element, and is provided with hollow grooves which are symmetrically distributed; and the drainage assembly comprises a heat insulation cylinder arranged at the empty groove, the heat insulation cylinder is fixedly connected with the mounting cylinder, a reciprocating assembly is arranged in the heat insulation cylinder, and the reciprocating assembly is heated through a heat conduction plate, so that reciprocating movement of the reciprocating assembly in the heat insulation cylinder is achieved. By arranging the drainage assembly, the effect of sucking gas at the bottom of the probe main body is achieved, and the formaldehyde detection accuracy of the semiconductor gas detection element is improved.

The utility model belongs to the technical field of polishing devices, and particularly discloses a vibration grinding and polishing device for alloy part machining, which comprises an equipment body, a connecting rod is fixedly connected in the equipment body, a mounting plate is arranged at the top of the connecting rod, and a first shell is fixedly connected to the top of the mounting plate. The vibration grinding and polishing device for alloy part machining comprises a first shell, a second shell is rotationally connected to one side of the first shell, the first shell and the second shell form a cavity, a trapezoidal positioning rod is fixedly connected to the bottom of a mounting plate, and a trapezoidal positioning groove is formed in the top of a connecting rod. The positions of the first shell and the second shell are fixed, the first shell and the second shell are always kept in the polishing material in a vertical state, and the situation that the polishing material is not prone to entering the device to polish a workpiece due to the fact that the first shell and the second shell lie on the polishing material is reduced.

The invention belongs to the technical field of boiler dust removal, and particularly relates to an efficient metallurgical boiler dust removal device which comprises a base, a dust removal box is fixedly connected to one side of the upper end face of the base, and a spraying adsorption mechanism is arranged on the dust removal box; the spraying adsorption mechanism comprises a spraying cover fixedly connected to one side of the upper end of an inner cavity of the dust removal box, one side of the upper end of the spraying cover is communicated with a water outlet pipe, the water outlet pipe penetrates through and is fixedly connected with the upper end of the dust removal box, one side of the inner cavity wall of the dust removal box is fixedly connected with a filter screen, and one side of the dust removal box is provided with a discharge pipe. The adjustable stretching type coating mechanism is utilized, and the situation that when smoke enters the hard pipe through the smoke discharge pipe, due to the fact that the specification of the hard pipe is not matched with that of the smoke discharge pipe, a gap is generated between the hard pipe and the smoke discharge pipe, part of smoke cannot enter the dust removal box smoothly, then the environment is still polluted, and the dust removal efficiency is affected is avoided.

The utility model discloses a hair straightener with an air outlet function, which comprises an airflow generating part, the airflow generating part is provided with two output ends which are respectively communicated with a first clamping arm and a second clamping arm, the first clamping arm and the second clamping arm have the same structure, the opposite sides of the first clamping arm and the second clamping arm are respectively provided with a hair straightening heating component, and the second clamping arm comprises a shell. At least one first air outlet hole is formed in one side of the shell, an air cavity is formed in the shell, the air cavity and the heating assembly are mutually independent, the air cavity is located between the shell of the clamping arm and the heating assembly, and the two air cavities communicate with the two output ends of the airflow generating part correspondingly; and at least one air outlet hole II is formed in one side, corresponding to the air outlet hole I, of the air cavity. The air channel for outputting the air flow is separated from the hair straightening heating assembly, so that the heat loss of the hair straightening heating assembly is avoided in the process of outputting the air flow to the outside, and the heating temperature is more stable in the process of heating and nursing hair 7 by the hair straightener; and meanwhile, the air flow is independently heated, so that the temperature of the air flow is more stable.