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30results about How to "Easy to hit" patented technology

Gas detector and detection method

The invention relates to the technical field of gas sensors, in particular to a gas detector and a detection method.The gas detector comprises a body and further comprises a filter screen, a sensing element, a driving assembly and a gas pump assembly.The bottom of the body is provided with a gas inlet and a gas outlet; the driving assembly and the air pump assembly are arranged in the body, one end of the driving assembly is used for driving the filter screen to horizontally rotate, and the other end of the driving assembly is used for driving the air pump assembly to perform suction action; one end of the air pump assembly is used for blowing air towards the air inlet so as to blow away dust at the bottom of the filter screen or sucking external air into the air outlet, and the other end of the air pump assembly is used for blowing air towards the air outlet so as to blow away dust at the bottom of the filter screen; the air suction and blowing structure is arranged to blow and clean the filter screen, so that the filter screen is not prone to being blocked, the frequency of manual maintenance is reduced, and the burden of maintenance work is relieved.
Owner:WUHAN J-FIRST E TECH ENG CO LTD

Polyethylene wax slice cooling device

ActiveCN222538078Ueasy to hitCool evenlyDrive shaftElectric machinery
The utility model relates to the technical field of polyethylene wax processing, and discloses a polyethylene wax slice cooling device, which solves the problem of non-uniform cooling of polyethylene wax slices at present, and comprises a cooling box, through holes are arranged on two sides of the cooling box, a box door is hinged on the cooling box, a cooling mechanism is arranged in the cooling box, and the cooling mechanism is arranged on the cooling box. A turbulent flow mechanism is mounted on the cooling mechanism, the cooling mechanism comprises a U-shaped frame fixed in the cooling box, and a grid box is arranged in the U-shaped frame; according to the device, through cooperation of the motor, the transmission shaft, the first conveying belt and the first rotating shaft, the eccentric block rotates to impact the lifting plate conveniently, and through cooperation of the lifting plate and the second U-shaped rod and cooperation of the spring and the first U-shaped rod, the grid plate can continuously move up and down in the grid box conveniently; and then, the polyethylene wax slices at the top of the grid plate can move to avoid accumulation, so that the polyethylene wax slices can be uniformly cooled.
Owner:QINGDAO HAIHAO INNOVATION TECH CO LTD

Tennis ball throwing mechanical arm for simulating tennis ball throwing action

The invention discloses a tennis ball throwing mechanical arm simulating tennis ball throwing action, and relates to the technical field of ball throwing mechanical arms, the tennis ball throwing mechanical arm comprises an electric trolley, the top of the electric trolley is fixedly connected with a mechanical arm body, the output tail end of the mechanical arm body is fixedly connected with a mounting seat, and one side of the mounting seat is fixedly connected with an ejection cylinder; a ball inlet box is fixedly connected to one side of the ejection cylinder, a ball feeding cylinder is fixedly connected to the bottom of the ball inlet box, a ball pushing box is fixedly connected to the bottom of one side of the ball feeding cylinder, a plurality of pressing plates are arranged on the top of the connecting surrounding plate in an annular array mode, and hinge plates are fixedly connected to the bottoms of the pressing plates; according to the tennis ball throwing mechanical arm simulating the tennis ball throwing action, a tennis ball is thrown outwards under pushing of the mounting base and the connecting surrounding plate, an athlete conveniently hits a ball, it is guaranteed that the tennis ball is kept stable in the bouncing process, and the problem that the ball body deviates at the inclination angle is solved.
Owner:HENAN TECHN COLLEGE OF CONSTR

Screening and grinding device for fine chemicals

The utility model discloses a fine chemical screening and grinding device, which belongs to the field of fine chemical processing and comprises a grinding and screening box, the top of the grinding and screening box is fixedly connected with a fine chemical feeding funnel, one side of the fine chemical feeding funnel is provided with a grinding component, and the other side of the fine chemical feeding funnel is provided with a grinding wheel. A screen is fixedly connected into the grinding and screening box, a vibration motor is fixedly installed on one side of the bottom of the screen, and the two sides of the grinding and screening box are in threaded sleeving connection with a first discharging plug and a second discharging plug correspondingly. According to the screening and grinding device for the fine chemicals, by arranging an inclined plate, a screen, a vibration motor, a first discharging plug and a second discharging plug, large-particle fine chemicals accumulated on the top of the screen can be cleaned, meanwhile, screened small-particle fine chemicals can be discharged, and therefore the screening effect of the screen can be improved; therefore, convenience is brought to follow-up screening of fine chemical particles.
Owner:石家庄建涂新材料科技有限公司

Novel massage pillow

The utility model relates to the technical field of massage pillows, and discloses a novel massage pillow, which solves the problem that the neck is inconvenient to massage in all directions at present, and comprises a massage pillow shell, a sponge cushion is arranged at the top of the massage pillow shell, a maintenance plate is arranged on the side surface of the massage pillow shell, and a massage mechanism is arranged in the massage pillow shell. The massage mechanism comprises a supporting shaft rotationally connected to the inner bottom wall of the massage pillow shell, a top block is fixedly connected to the top end of the supporting shaft, a movable disc is arranged above the top block, a top disc is arranged above the movable disc, a U-shaped round rod is fixedly connected to the bottom of the top disc, the middle of the outer side of the U-shaped round rod is fixedly sleeved with the top block, and the outer side of the U-shaped round rod is movably sleeved with the movable disc. The top of the movable disc is uniformly and fixedly connected with a plurality of struts; massage balls are arranged at the top ends of the struts; according to the massage device, the U-shaped round rod can rotate stably, so that the positions of the massage balls can be adjusted conveniently for all-directional massage, and the massage effect is improved.
Owner:FUAN KAIJIELI ELECTRIC APPLIANCE CO LTD

Camellia oleifera mixed forest planting tree hole fertilization equipment and fertilization method thereof

This application relates to the field of fertilization equipment technology and discloses a tree pit fertilization device for planting mixed camellia oleifera forests. It mainly consists of an outer casing, an inner cylinder, a rotating shaft, a rotating ring, an outer shell, stirring components, a collecting mechanism, and a transfer mechanism. The inner cylinder is housed within the inner cavity of the outer casing, and the rotating shaft is housed within the inner cylinder. A rotating ring is fitted onto the outer side of the rotating shaft, and the outer shell is fitted onto the outer side of the rotating ring. Stirring components are equidistantly arranged around the outer side of the rotating shaft. A collecting mechanism is located on one side of the inner cylinder, and a transfer mechanism is located on the upper side of the inner cylinder. This invention utilizes the stirring components, collecting mechanism, and transfer mechanism to drive the rotation of liquid and solid fertilizers. This allows some liquid fertilizer and clumps of solid fertilizer to enter the collecting mechanism and be transported by the transfer mechanism into the area surrounded by the stirring components. This process repeats, breaking up clumps of solid fertilizer and improving the mixing effect of the fertilizer.
Owner:安徽德昌苗木有限公司

A kind of auxiliary tool for installing bridge pier cap template in bridge construction process

The present invention discloses an auxiliary tool for installing a pier cap formwork during bridge construction, comprising an installation box, one side of the installation box is arranged to be an opening, one side of the opening of the installation box is fixedly connected with an insertion plate, one side of the opening of the installation box is arranged with a plurality of splicing vertical plates, a bottom plate is fixedly connected between the splicing vertical plates, side walls of the splicing vertical plates are fixedly connected with a push plate, a bottom block is fixedly connected with a side of the installation box close to the push plate, an I-shaped guide groove is arranged on the top of the bottom block, a slider is slidably connected in the I-shaped guide groove, a push block is fixedly connected to the top of the slider, the push block is movably connected to the push plate, a closing plate is fixedly arranged on the splicing vertical plate away from the side of the installation box, the insertion plate passes through the closing plate and the splicing vertical plates, thereby solving the problem of being unable to quickly disassemble and install and being very inconvenient.
Owner:PINGMEI SHENMA CONSTR ENG GROUP

A livestock feeding and feeding material anti-agglomeration screening machine

This invention relates to the field of material screening technology, specifically a screening machine for preventing agglomeration in livestock feed. It includes a support, and further includes a first support member and a second support member fixed to the support and arranged opposite to each other. A cylinder is rotatably mounted between the two supports. The cylinder has multiple screen plates, and a first end cap and a second end cap are fixed to both ends of the cylinder. A feeding mechanism is provided on the first support member. The cylinder can be driven to rotate by a power mechanism located on the support. This screening machine integrates primary and secondary agglomeration functions, eliminating the need for frequent manual shutdowns for cleaning and collection, and subsequent transfer to agglomeration equipment. This effectively improves feeding efficiency. Furthermore, the feed is kneaded and broken up in the narrow gap between the arc-shaped plate and the inner wall of the cylinder, avoiding excessive crushing caused by mechanical hammering and preventing further resource waste and cost increases.
Owner:XINGWEN COUNTY HUAYUAN ECOLOGICAL AGRI DEV CO LTD

Comprehensive launching device for rifling bomb and shotgun bomb

The utility model relates to a rifling bullet and shotgun bullet comprehensive launching device, and belongs to the technical field of weapons. The shape of the comprehensive shotgun bullet corresponds to that of the rifling bullet, and the comprehensive shotgun bullet and the rifling bullet can be launched through the rifling The comprehensive shotgun comprises a comprehensive shotgun head and propellant powder; the comprehensive shotgun bullet head comprises a main bullet head and a sub-bullet head; when the rifling launching device is used for launching, the propellant powder generates impact force, the main warhead is rotationally launched through the rifling of the rifling launching device, the branch warheads are separated from the main warhead, and a shotgun launching mode is formed and launched to a shooting target. The rifling projectile can be launched, and the shotgun projectile can also be launched.
Owner:何中华

Special anchoring device for concrete new energy

The utility model discloses a special anchoring device for concrete new energy, which belongs to the technical field of concrete anchoring structures and comprises a concrete anchoring foundation, the concrete anchoring foundation consists of an underground foundation and an overground foundation, and an anchoring rod vertically penetrates through the underground foundation and the overground foundation; by adding a reinforcement cage and designing a new anchoring rod structure on the special concrete anchoring foundation for the new energy charging pile, the effects of improving the structural strength of the part, above the ground, of the concrete foundation, being beneficial to bearing impact, abrasion and erosion of external force and keeping integrity and further protecting the top of an anchor rod from being broken easily can be achieved; the charging pile is stably installed and fixed; the anchoring rod is composed of an inner threaded pipe part and a connecting part which are installed in a segmented mode, the charging pile is clamped, pressed and fixed in the inner threaded pipe part by screwing an anchoring bolt, meanwhile, the inner threaded pipe part is detachably connected with the connecting part through a threaded head, and when the top of the anchoring rod is broken, the inner threaded pipe part can be conveniently and rapidly replaced.
Owner:HEBEI JIYUAN CONSTRUCTION IND DEVELOPMENT CO LTD

Industrial and commercial energy storage system based on equalization technology

The utility model relates to the technical field of energy storage systems, and discloses an industrial and commercial energy storage system based on a balancing technology, which solves the problem that heat dissipation holes are blocked due to the fact that dust is easy to accumulate at present, and comprises an energy storage device body, an anti-blocking mechanism is installed on the outer side of the energy storage device body, and a collecting mechanism is installed on the anti-blocking mechanism. The anti-blocking mechanism comprises an air bellow fixed to the outer side of the energy storage device body, and two fixing plates are symmetrically and fixedly installed in the air bellow. According to the utility model, the motor is matched with the transmission shaft, so that the eccentric block rotates to continuously impact the connecting plate, the filter plate is driven to move through the matching between the sliding plate and the L-shaped round rod as well as the matching between the connecting rod and the mounting plate, and the filter plate is continuously vibrated under the action of the elastic force of the two springs, so that the filter plate is prevented from being blocked; and through cooperation between a scraping rod and a conical plate, filtered impurities can be conveniently discharged from an opening.
Owner:JIANGSU AMMONS NEW ENERGY TECHNOLOGY CO LTD

Embossed film slitting equipment with dust removal function

The embossing film slitting equipment with the dust removal function comprises a base, a slitting bin is arranged in the middle of the top of the base, an electric push rod is arranged in the middle of the top of the slitting bin, the output end of the electric push rod extends to the inner side of the slitting bin and is provided with a mounting plate, a motor C is arranged at one end of the mounting plate, and a dust removal device is arranged at the other end of the motor C; a slitting roller is arranged at the output end of the motor C, a motor B is arranged in the middle of one end in the slitting bin, and a conveying roller is arranged at the output end of the motor B; through the mutual cooperation of the brush roll A, the brush roll B, the gear A, the gear B and the motor A, the brush roll A and the brush roll B can be driven by the motor A to rotate oppositely before the embossing film is slit by the device, so that dust on the surface of the embossing film is swept away, the cleanliness of the embossing film is improved, and the dust removal performance of the device is enhanced.
Owner:ZHEJIANG KERONG NEW MATERIAL TECHNOLOGY CO LTD

Anti-blocking concrete gravel separator

The utility model discloses an anti-clogging concrete gravel separator which comprises a working box, a mounting hole obliquely penetrating through the working box is formed in the working box, a screening barrel used for gravel separation is arranged in the mounting hole, and a rotation control assembly driving the screening barrel to rotate is arranged on the working box. A leak hole penetrating into the mounting hole is formed in the bottom of the working box, a cover plate capable of being opened and closed is arranged at the discharging end of the screening barrel, concrete is fed into the screening barrel, the two gears are driven by the rotary driver to rotate in a meshed mode, and therefore the screening barrel is driven to rotate, sand is filtered out through the screening barrel, and after the screening barrel stops rotating, the cover plate is pulled out. When the concrete sandstone separator is used, stones and a small part of sand roll down to the arc-shaped plate, the arc-shaped plate is driven by the vibration mechanism to vibrate up and down under the action of the spring, so that the sand conveniently falls down from the screening holes, and the problem that the sand is wasted due to the fact that the sand rolls down along with the stones in the separation process of the concrete sandstone separator is solved.
Owner:NINGBO ZHONGXIN HAIMA BUILDING MATERIALS CO LTD

Ditch cleaning device for water conservancy and hydropower engineering

The utility model relates to the technical field of water conservancy and hydropower construction equipment, and discloses a ditch cleaning device for water conservancy and hydropower engineering, which comprises a cleaning box, the cleaning box is of a rectangular box body-shaped hollow structure, and an accumulated soil loosening assembly comprises a connecting plate which is of a rectangular plate-shaped structure. Telescopic rods are symmetrically and fixedly connected between one side of the connecting plate and the cleaning box, the telescopic rods are sleeved with springs, a support is fixedly connected to the other side of the connecting plate, the bristle mud removing assembly comprises two sets of connecting rods symmetrically and fixedly connected to the support, a strip-shaped sliding block is movably connected to a connecting seat, and the strip-shaped sliding block is fixedly connected to the connecting seat. The connecting rods are hinged between the connecting rods and the strip-shaped sliding blocks, a cylindrical cross rod is fixedly connected between the two sets of strip-shaped sliding blocks, and the problems that due to the fact that soil in a ditch is too thick and heavy, normal cleaning is difficult to conduct on the ditch, and normal propelling of the device is difficult are effectively solved.
Owner:SHANDONG XINGWEI ELECTRIC POWER CONSTRUCTION CO LTD

Ball toy

ActiveCN222517709Unot easy to flynot easy to hitIndoor gamesToysMechanical engineering
The utility model discloses a ball toy which comprises a bottom plate, a separation net modeling shell, a first target piece, a second target piece and a swing piece. The separation net modeling shell is installed on the bottom plate, the first target piece and the second target piece are arranged on the bottom plate, and the first target piece and the second target piece are arranged on the two sides of the separation net modeling shell respectively. The swing part is movably arranged on the separation net modeling shell, a ball is arranged at one end of the swing part, and a balance weight part is arranged at the other end of the swing part. Under the action of external force, the ball body can swing along with the swing part, and under the state that the external force is cancelled and the swing part is in a balanced state, the counterweight part is close to the bottom plate, and the ball body is far away from the bottom plate. According to the ball toy, the partition net modeling shell and the bottom plate are matched to form a mini table court model. And playing under the ball scene can be realized indoors, so that the playing interestingness is improved. And the ball body is pulled by the swinging piece, is not easy to fly around and is easy to hit, the ball body cannot fly out of the range of the bottom plate, and young children can also play and experience the fun of hitting the ball.
Owner:SHANTOU CHENGHAI RENBO SCI & EDUCATION TOYS CO LTD

Shot blasting derusting device for inner wall of steel pipe

The utility model discloses a shot blasting derusting device for the inner wall of a steel pipe, and relates to the technical field of steel pipe derusting. Comprising a main body frame, a rotating hole is formed in the side wall of the main body frame, a controller is fixedly connected to the bottom surface of the main body frame, a uniform rust removal assembly is arranged on the inner wall of the rotating hole, through the arranged uniform rust removal assembly, the output end of a first motor rotates to drive a driving column to rotate, and the driving column rotates to drive a shot blasting wheel to rotate; the shot blasting wheel rotates at a high speed to generate centrifugal force and wind power, so that shots in the shot blasting wheel are thrown out at a high speed, the inner wall of the steel pipe is conveniently beaten, and then the inner wall of the steel pipe is conveniently derusted, meanwhile, one end of the transfer pipe is fixedly connected with the side wall of the shot blasting box, and when the transfer pipe rotates, the shot blasting box is driven to rotate; and therefore, shots passing through the shot blasting holes can uniformly act on the inner wall of the steel pipe, and the uniformity of shot blasting and rust removal is improved.
Owner:QINGDAO HUATE ANTICORROSION INSULATION EQUIP CO LTD

A safety device for lifting and hoisting blocks

A kind of safety device for block hoisting, including base, stand, safety cage, drive wheel and hydraulic lifting device, the four top corners of base are fixed stand, safety cage is installed on stand, the bottom end of base is provided with drive wheel, the side of the bottom end of base is provided with hydraulic lifting device.The utility model discloses four groups of drive wheels are set up in the four bottom ends of base, and loading and unloading personnel can hoist and lift operation blind spot transport block, and it is convenient for loading and unloading personnel to move block hoisting safety device;By the base using galvanized nonskid steel sheet, block can be effectively prevented from sliding during hoisting, to avoid block product damage caused by block sliding off;Safety cage is provided with skirting board, to prevent block debris from sliding off during hoisting, causing object impact, hydraulic lifting device is arranged in base, and loading and unloading personnel can unload block to ground quickly by hydraulic lifting device in base when block is transported to specified construction position.
Owner:CHINA CONSTR SIXTH BUREAU (TIANJIN) GREEN BUILDING TECH CO LTD +1

Lamp inspection device for bottled pear juice beverage production line and use method

The invention relates to the technical field of beverage production, in particular to a lamp inspection device for a bottled pear juice beverage production line and a using method.The lamp inspection device for the bottled pear juice beverage production line comprises a base, and a conveying belt is arranged at the upper end of the base. The rear side of the bipolar magnetic plate is an attraction pole of the magnetic limiting plate, and the front side of the bipolar magnetic plate is a repelling pole of the magnetic limiting plate, so that when the connecting plate drives the fixed ring to move downwards to fixedly sleeve the upper part of the beverage bottle, the magnetic limiting plate also moves to the repelling pole on the front side of the bipolar magnetic plate, and then the magnetic limiting plate is pushed to slide rightwards on the movable plate; the magnetic limiting plate is clamped between the upper side of the connecting plate and the movable plate, so that the situation that the connecting plate, the fixed ring and the rubber ring are not firmly propped against the upper part of the beverage bottle under the action of the spring II is prevented, the normal rotation of the beverage bottle is ensured, and the detection quality of pear juice in the beverage bottle is improved.
Owner:SHANXI XIAPUSAIER FOOD & BEVERAGE CO LTD

Efficient bag-type dust collector for industrial waste gas

The utility model discloses an efficient bag-type dust collector for industrial waste gas. The efficient bag-type dust collector comprises a dust collection box, a filtering assembly is arranged in the dust removal box, a filtering plate is installed in the dust removal box, an air outlet is formed in the top of the dust removal box, a filtering box is connected to the air outlet through a hose, and the filtering plate and the filtering box are used for conducting multi-layer filtering, so that fine particles and particles are filtered out; and a dust removal assembly is arranged on the outer side of the dust removal box, and dust particles in the filtering assembly are cleaned through the dust removal assembly. According to the efficient bag-type dust collector for the industrial waste gas, the filtering assembly, the filtering plate and the filtering box are used for carrying out multi-layer filtering, so that the pollution problem caused by the fact that part of fine particles and particles are discharged due to the fact that filtering is carried out only through a cloth bag is solved; the problem that the equipment cost is high due to the fact that ultrasonic waves are used for conducting dust removal operation is solved, overall operation and maintenance are easy, and use is convenient.
Owner:NANJING ZHENGHENG ENVIRONMENTAL PROTECTION TECH CO LTD

Sealing performance detection device and detection method for marine valve

The invention discloses a sealing performance detection device and detection method for a marine valve, and relates to the technical field of marine valve detection.The sealing performance detection device is characterized in that a detection groove is formed in a sealing detection frame, and the interior of the detection groove is used for containing a to-be-detected valve; according to the invention, the sliding plate is lifted, so that the sliding plate can fall down to impact a valve to be detected, then a first motor is started, one electromagnet is electrified, and a plurality of rotating shafts are rotated, and only one electromagnet is electrified, so that one nut can drive a connecting piece and an impact plate to move downwards; then the sliding plate drives the impact plate to freely fall and impact the valve to be detected, sealing detection can be conducted after reef impact is simulated, the detection effect is improved, according to the principle, the multiple starting electromagnets are sequentially increased, the multiple impact pieces and the impact plate can descend at the same time, and the impact area can be increased; reefs of different sizes are simulated to impact the to-be-detected valve, and the detection effect can be further improved.
Owner:靖江市奥威船用阀门有限公司

A hydraulic cylinder barrel structure for preventing axial rotation

ActiveCN113883118BImprove stabilityprevent axial rotationFluid-pressure actuators
The present invention provides a hydraulic oil cylinder barrel structure for preventing axial rotation, comprising a cylinder barrel body, a fixed plate welded on the surface of the cylinder barrel body, a piston rod movably connected at the center of the top of the cylinder barrel body, a first fixed block welded at the center of the top of the piston rod, and a first connecting hole is opened at the center of the front of the first fixed block, and clamping mechanisms are provided on both sides of the piston rod. The present invention facilitates users to clamp and limit the piston rod through the clamping seat through the cooperation of a movable column, a fixed box, a first threaded sleeve, a first threaded rod, a bearing, a movable plate, a limiting column and a clamping seat to prevent the piston rod from axially rotating during jacking, facilitates users to tighten and limit the two clamping seats through the cooperation of a mounting block, a second threaded sleeve, a second threaded rod and a protrusion, and facilitates users to assist the clamping mechanism in limiting the piston rod through the cooperation of a positioning block and a positioning rod.
Owner:JIYUAN FENGZE SPECIAL STEEL IND CO LTD

Combined launching device for rifled and shot cartridges

PendingCN122544587Aeasy to hitEasy to convert
This invention relates to an integrated launching device for rifled bullets and shotgun shells. The integrated shotgun shell corresponds in shape to the rifled bullet, and both can be launched using a rifling launching device. The integrated shotgun shell includes an integrated shotgun head and propellant. The integrated shotgun head includes a main projectile and a secondary projectile. When launched using the rifling launching device, the propellant generates an impact force. The main projectile is launched by rotating through the rifling of the launching device, and the secondary projectiles are disintegrated corresponding to the main projectile, forming a shotgun firing pattern to the target. The invention also includes the ability to launch not only rifled bullets but also shotgun shells.
Owner:何中华

Combined flushing toothbrush

The combined washing toothbrush comprises a holding part and a brush head part inserted into the upper end of the holding part, the holding part comprises a first shell, a first motor, a first battery, a transmission piece and a third pipeline, the first motor and the first battery are fixedly connected into the first shell, the transmission piece is fixedly connected to an output shaft of the first motor, and the third pipeline is fixedly connected into the transmission piece. One end of the pipeline III penetrates through the shell I and extends outwards; the brush head part comprises an insertion rod I; the pump body and the output end of the micro air pump are connected with the metal pipeline through the one-way valve, air injection and water injection can be separated and used independently, the effect of water injection and air injection combined flushing can be achieved, the effect similar to bubble water is generated after water and gas are mixed, bursting of bubbles in water can bring stronger impact force, and the service life of the device is prolonged. The cleaning device is simple in structure and convenient to use, stubborn dirt on the surfaces of teeth and in slits between the teeth can be removed easily, meanwhile, water flow can be softer through mixed spraying, the cleaning effect can be kept, stimulation and damage to gingiva can be reduced, and the use comfort level is improved.
Owner:汪正

Scrap iron turnover machine

The utility model belongs to the technical field of plugging devices, and discloses a scrap iron turnover machine. The device is mainly technically characterized by comprising a center shaft, a sleeve and an extrusion bolt are arranged on the outer side of the center shaft in a sleeving mode, one end of the sleeve is provided with an extrusion ring, an extrusion sleeve is arranged at the other end of the center shaft, a first limiting nut and a second limiting nut are arranged on the outer side of the sleeve, and a first plugging ring is arranged between the extrusion sleeve and the first limiting nut; a second blocking ring is arranged between the extrusion ring and the second limiting nut, and the first blocking ring and the second blocking ring are made of polyurethane materials. During leakage testing, the extrusion bolt is screwed, the first plugging ring and the second plugging ring are extruded and then expand outwards, and inclined holes in the independent oil ducts are sealed. The plugging effect is good, air leakage is not prone to occurring during leakage testing, plugging is convenient, labor intensity is small, efficiency is high, and testing data are more accurate.
Owner:RUIFENG POWER GRP CO LTD

Reactive force training equipment for martial art training

The invention discloses reactivity training equipment for martial arts training, and particularly relates to the technical field of martial arts reactivity training.The reactivity training equipment comprises a base, a sleeve is connected to the middle of the upper portion of the base, a vertical rod is slidably connected into the sleeve, and a second fixing sleeve is fixedly connected to the middle of the outer side of the vertical rod; a chest hammering pad is fixedly connected to one side of the second fixing sleeve, a third fixing sleeve is rotatably connected to the outer side of the vertical rod, a hand hammering rod is fixedly connected to the outer side of the third fixing sleeve, a first fixing sleeve is rotatably connected to the outer side of the vertical rod, and a leg hammering rod is fixedly connected to the outer side of the first fixing sleeve; when a user hits the hand hammering rods to rotate rightwards, the leg hammering rods can be conveniently driven to synchronously rotate rightwards, the reaction capacity of the lower body of the user can be conveniently exercised, the legs can be hit if the user does not dodge, and therefore hitting from different directions can be conveniently trained, and the reaction speed and the response capacity can be improved.
Owner:CHINA THREE GORGES UNIV

Safety auxiliary tool for knocking wrench

The utility model relates to a safety auxiliary tool for knocking a wrench, which structurally comprises a connecting body, a connecting rod, a sleeve, an elastic piece and a detachable limiting piece, one end of the connecting body is provided with an internal threaded hole, the other end of the connecting body is provided with the connecting rod, the connecting body is sleeved with the sleeve, the connecting rod is provided with the detachable limiting piece, and the elastic piece is arranged on the connecting rod. An elastic piece is arranged between the detachable limiting piece and the sleeve and used for pressing the end face of the sleeve, and the length of the sleeve is larger than that of the connecting body. After the device is used, the knocking wrench does not need to be manually held by hands for limiting, the knocking wrench can be effectively prevented from falling off, the safety of an operator is guaranteed, after the device is used, the knocking wrench can be operated by only one person, the knocking wrench does not need to be originally held by one hand, and the knocking wrench does not need to be hit by the other person, so that manpower is saved.
Owner:HEBEI NATURAL GAS CO LTD

A filter disc for a food waste disposer

This utility model discloses a filter disc for a food waste disposer, relating to the field of filter discs. This utility model, by incorporating a scraper, a first slider, a second slider, rollers, and a guide plate, ensures that when the user uses the filter disc, the scraper can smoothly remove residual solid food waste from the outer wall of the filter disc through its sliding motion. Simultaneously, through the arrangement of a limiting strip, a linkage column, a linkage rod, a rotating base, a limiting block, a spring, and a limiting block, as the user continues to rotate the filter disc, when the bottom of the filter disc is perpendicular to the ground, gravity causes the linkage rod to rotate and contact the limiting strip, restricting the rollers. This allows the scraper to move to the other end of the filter disc under the influence of gravity. At this point, the scraper, restrained by the first and second sliders, impacts the filter disc, generating vibration, which causes the residual solid food waste inside the filter disc to fall off the outer wall of the filter disc due to the impact and vibration.
Owner:GUANGDONG DIGE HOME TECHNOLOGY CO LTD

Continuous powder mixing granulator for feed production

The utility model relates to the technical field of feed production, and discloses a continuous powder mixing granulator for feed production, which solves the problem that impurities in feed raw materials enter the granulator at present to easily affect the quality of prepared feed, and comprises a mixing cylinder, a granulator body is fixedly mounted at the bottom of the mixing cylinder, and a feed outlet is formed in the mixing cylinder. The mixing cylinder is arranged on the granulator body and is communicated with the granulator body, a filtering mechanism is mounted on the mixing cylinder, a fixing mechanism is mounted on the filtering mechanism, and the filtering mechanism comprises a U-shaped frame fixed at the top of the mixing cylinder; according to the feed mixing device disclosed by the utility model, the motor is matched with the stirring shaft, so that the stirring rod rotates to fully stir and mix feed raw materials in the mixing cylinder, and the two eccentric blocks rotate to impact the sleeve frame through the matching among the bevel gear II, the bevel gear I and the rotating shaft; and through cooperation of a sleeve frame, an L-shaped round rod, a spring and a feeding frame, the filter screen can vibrate up and down conveniently, the filtering effect on the feed raw materials is improved, and the filter screen is prevented from being blocked.
Owner:YANTAI HAIYUE FOOD CO LTD