27results about How to "Avoid stuck" patented technology

The utility model discloses a kind of anti-clogging filter membrane assemblies, it is related to water filtration technical field, including cylindrical filter membrane and cylindrical hard filter cartridge;The hard filter cartridge is located in filter membrane inside;Hard filter cartridge lower side and upper side are equipped with water inlet pipe and pollution collection box respectively, water inlet pipe is rotatably installed with the impeller rotating with water flow, hard filter cartridge inside is equipped with bracket, and bracket edge is equipped with the brush that is attached with hard filter cartridge inner wall;The impeller is connected with bracket through pivot;The utility model drives impeller rotation by water flow, impeller drives bracket and brush to clean the foreign matter of hard filter cartridge inside, can avoid foreign matter to be stuck on hard filter cartridge;Pollution collection box is set in hard filter cartridge lower side, can accommodate the foreign matter cleaned in large quantity, prolongs the cleaning cycle of hard filter cartridge.

The utility model discloses an anti-coking, impact-resistant and vibration-resistant adjusting ball valve for coal chemical industry black water, and relates to the field of adjusting ball valves. In coal chemical industry black water treatment, a black water medium has the characteristics of high suspended matter content, high temperature, high alkali content, high corrosion content and high-hardness solid particle content, and abrasion, corrosion, coking jamming and driving failure of traditional valve internals are easily caused. Comprising a fixing shaft, a left valve body, a right valve body, a left valve seat, a right valve seat, a ball body, a valve rod and an executing mechanism, the ball body, the valve seats and valve body flow channels are spray-welded with tungsten carbide layers with the hardness larger than or equal to HRC65, the left valve seat and the right valve seat achieve two-way pre-tightening sealing through spiral springs and the ball body, and scraper type cutting edges are arranged on the sealing faces of the valve seats. The valve rod adopts a large-diameter high-strength design and is in anti-rotation connection with the ball body, and the stuffing box adopts a disc spring load limiting and pressurizing structure. The wear resistance, impact resistance and coking resistance are remarkably improved, bidirectional reliable sealing is achieved, stable driving under the high-torque working condition is guaranteed, the service life of the valve is prolonged, and the valve is suitable for the coal chemical industry black water extreme working condition.

The utility model discloses a steam turbine high pressure cylinder rear shaft seal body and contain the shaft seal body's axle end seal structure, wherein, steam turbine high pressure cylinder rear shaft seal body includes the shaft seal main part, the annular seal key of section is L type, steam turbine high pressure cylinder rear axle end seal structure includes end take steam seal body, and rear shaft seal body, and the inner wall of end take steam seal body, and every circle steam seal block installation groove all have inserted steam seal block, form SSR chamber between second compartment and steam cylinder body, and form CF chamber between end take steam seal body, shaft seal main part, rotor axle and steam cylinder body. Advantage: the utility model sets up two independent chambers of SSR chamber and CF chamber, effectively reduces the pressure that end take steam seal body suffered, and steam leakage amount is reduced greatly, breaks through the steam leakage bottleneck of traditional single chamber design, and L type seal's metal face contact is matched with steam cylinder body seal groove, can adapt to steam cylinder body thermal deformation, maintains the stability of sealed clearance, avoids the clearance increase due to deformation.

The utility model relates to pipeline crack detection technical field, concretely to a pipeline crack detection device, including soft pole, detection component, spring, joint component, push and release component and pull ring, the detection component includes detection head, the front side of detection head is installed with camera, the position of the front side of detection head is installed with the lighting lamp ring near camera, the joint component includes the sliding block, the inside of sliding block is opened with first slide hole, the push and release component includes handle, the inside of handle is opened with second slide hole, the outside of handle is provided with the limit sheet at the position of the front end, the outside of detection head is opened with first runner groove. The utility model through detection head and sliding block in the pipeline sliding to the soft pole direction, and the soft pole can freely bend, improve the flexibility of use, through push and release component and promote joint component and press to the rear side change detection component's detection angle of detection component, improve the flexibility of detection component angle adjustment.

This utility model discloses a steel bar processing equipment for construction engineering, including a bending machine body, a protective component, and a pushing component. The protective component includes a bending disc disposed on top of the bending machine body. A support block is fixedly connected to the rear side of the bending machine body. A protective frame is movably connected to the top of the bending machine body via a hinge. The protective frame is located on top of the bending disc. A magnet is fixedly connected to the top of the bending machine body, and the rear side of the magnet is attracted to the front side of the protective frame. An observation window is fixedly connected to the top of the protective frame, and a handle is fixedly connected to the top of the protective frame. The surface of the handle is provided with anti-slip texture. This utility model utilizes the protective component to protect the bending disc and the steel bar, preventing the steel bar and the bending component from being exposed to the outside environment during bending, avoiding contact between external objects and the operating bending component, and preventing debris generated during bending from flying everywhere, thus ensuring high safety.

The application relates to the technical field of valves, in particular to a high-temperature material flow regulating device and a control method thereof, which comprises a device body, a spring hanger fixed on the device body, an inlet and return water system, a control system, a monitoring device and a connecting pipe fixed on a discharge port of the device body. The device is aimed at the problems of poor linearity of traditional gate valves and flap valves, insufficient precision of manual regulation and open-loop control, realizes linear regulation of high-temperature material flow through the curved surface fitting design of a valve head and a valve seat, completely solves the disadvantages of small opening sensitivity and large opening sluggishness, accurately adapts to trace regulation requirements, relies on the monitoring device to collect material level and temperature signals in real time, constructs a closed-loop control through a PLC control system, automatically drives an electric actuator to adjust the position of a valve rod, does not need manual intervention, avoids human judgment errors, eliminates high-temperature scene operation safety hazards, greatly improves flow control precision and stability, and solves the problem of instability of a traditional control loop.

This utility model discloses a quick-assembly fixture for machining centers, applied in the field of machining center technology. It includes a fixture base with four protective cylinders symmetrically bolted inside. Each of the four protective cylinders has a screw rotatably connected inside, and a second bevel gear is bolted to one end of each screw that is close to the others. The protective cylinders protect the screw surfaces, effectively preventing debris from getting stuck in the screw threads. Simultaneously, inclined grooves allow debris to automatically slide outwards from the fixture base, preventing debris accumulation inside and affecting clamping. By synchronously moving the four clamping plates closer or further apart, all four sides of the workpiece can be clamped simultaneously, eliminating the need for individual adjustments and improving clamping efficiency. Furthermore, each clamping plate has an adjustable, telescopic fixing cylinder inside, allowing independent adjustment for each side of the workpiece even when the four sides are unequal, improving practicality.

The invention relates to the technical field of plastic recycling, and discloses environment-friendly equipment for separating and recycling metal and plastic composites.The environment-friendly equipment comprises an internal stress separating box, the upper surface of the internal stress separating box is fixedly connected with a feeding hopper, and the lower surface of the internal stress separating box is fixedly connected with a crushing chamber; the inner surface of the crushing chamber is rotationally connected with a crushing roller, the upper surface of the inner wall of the internal stress separation box is fixedly connected with an electric guide rail, the moving end of the electric guide rail is fixedly connected with a liquid storage shell, and the right side face of the liquid storage shell is fixedly connected with a stainless steel corrugated pipe. As the thermal expansion coefficients of metal and plastic between materials are different, the shrinkage amplitudes of the metal and the plastic are different during rapid cooling, and huge internal stress can be generated on a bonding interface, so that the bonding force of the metal and the plastic is directly weakened or even damaged, and the separation efficiency of the metal and the plastic is improved compared with a common mode.

This invention discloses a fixture and operating method for inspecting the clearance of movable guide vanes in a water turbine, including a ring rail and a detection fixture. Multiple locking components are provided on the ring rail. The detection fixture includes a movable frame and an end-face clearance detection component and a vertical clearance detection component mounted on the movable frame. The movable frame is movably mounted on the ring rail and can move and position itself in a ring along the ring rail. The end-face clearance detection component includes a first drive lifting structure, a connecting arm, and an end-face clearance detection end. The first drive lifting structure is mounted on the movable frame. One end of the connecting arm is connected to the first drive lifting structure, and the other end is connected to the end-face clearance detection end. The connecting arm is vertically adjustable via the first drive lifting structure. The end-face clearance detection end includes a first distance sensor. The vertical clearance detection component includes a second distance sensor and a third distance sensor. This invention achieves the detection of end-face and vertical clearances of movable guide vanes in a water turbine through modular design.

The application discloses an elastic filament elastic traction device, and relates to the technical field of elastic filament processing, which comprises a deposition-preventing mechanism arranged at the upper position of the inner side of a cabinet body, an adjusting assembly is fixedly connected to the inner side of the cabinet body, the number of the adjusting assemblies is two, and the adjusting assemblies are symmetrically distributed with the deposition-preventing mechanism as the center, the adjusting assembly guides untwisted filaments, and the untwisted filaments are wound on the surface of the deposition-preventing mechanism; and the elastic filament elastic traction device further comprises a rotating assembly. The diameter of the roller is the same as that of the winding assembly, the untwisted filaments pass through the roller, the winding assembly and the roller in sequence, the untwisted filaments are wound on the surface of the winding assembly, the inside of the pipe body circulates gas, and the floating fluff on the surface of the untwisted filaments is removed through the flow of the gas, so that the floating fluff is prevented from being stuck in the inside of the rotating assembly, and the problem that the excessive resistance of the silk thread caused by the contact friction between the untwisted filaments and the guide wheel results in the breakage of the silk thread is solved.

The utility model discloses a spray needle head hoisting tool, and belongs to the field of hoisting tools. The device mainly comprises a bearing assembly, wherein the bearing assembly comprises a ball bearing for supporting the tip of a spray needle head; and the holding assembly is installed on the ball bearing, the holding assembly comprises a first steel ring and a second steel ring which are used for holding the spray needle head and hinged to each other, and lifting lugs connected with an external lifting tool are arranged on the first steel ring and the second steel ring. According to the spray needle head hoisting tool, the holding assembly is opened in a C shape through a hinge structure of the first steel ring and the second steel ring, the periphery of the spray needle head is directly sleeved with the steel rings from the side face under the condition that a rotating wheel is not dismantled, meanwhile, a ball bearing of the bearing assembly is connected to the tip end of the spray needle head in a sleeving mode, and a double-positioning structure of tip end supporting and periphery holding is formed; and therefore, the spray needle head can be stably hoisted.

The invention discloses a self-adaptive ammonia spraying device for flue gas denitrification, relates to the technical field of flue gas denitrification environmental protection, and is used for improving the denitrification efficiency. In the device, a cooperative control framework of static hardware matching and dynamic software adjustment is constructed by the flue gas denitration self-adaptive ammonia spraying device, so that complex online mechanical adjustment is converted into external fluid control, and the problems of jamming and abrasion in a high-temperature and high-dust environment are solved by utilizing a fixed gap unit without a movable component; therefore, the long-term operation reliability of the flue gas denitration self-adaptive ammonia spraying device is improved. And meanwhile, by combining the fusion calculation of the AI model on the multi-source data and a double-level intelligent diagnosis early warning mechanism, the dual self-adaption of the ammonia spraying strategy on the space non-uniformity and the time change is realized, so that the denitration efficiency is improved on the premise of improving the stability of the flue gas denitration self-adaptive ammonia spraying device.

The utility model relates to the field of apartment bed, disclose a kind of plastic bed board apartment bed, including a kind of plastic bed board apartment bed, including bedstead, bed board, support rod, sleeve, movable plate, rotating plate, telescopic link, end head plate, presser plate;The support rod is fixedly connected with bedstead, and the bed board is placed at support rod top;The sleeve is fixedly connected at bed board bottom, and the sleeve is located between two adjacent support rods;The movable plate is movably connected with sleeve, and the rotating plate is rotatably connected with movable plate;The telescopic link is movably connected at the side of rotating plate far from rotating end, and the end head plate is fixedly connected with the end of telescopic link far from rotating plate;The presser plate is rotatably connected at the side of end head plate close to bed board by torsional spring.The utility model fixes bed sheet and mattress by presser plate without damaging bed sheet, to prevent bed sheet and mattress from being wrinkled and rolled up, which leads to the decrease of bed surface flatness.

The application belongs to the technical field of compressors, and particularly relates to a compact hydrogen centrifugal compressor, which comprises a compressor body, the inside of the compressor body is provided with a rotor, the outside of the rotor is provided with an impeller, the side of the compressor body is provided with an air inlet circular frame, the inside of the air inlet circular frame is provided with an air inlet guide groove, the inside of the air inlet circular frame is rotatably provided with rotating shafts arranged in a circumferential array, the end of each rotating shaft is fixedly provided with an air inlet guide vane, the air inlet guide vanes can be simultaneously adjusted to change the air inlet area of the air inlet guide groove, the side wall of the compressor body is provided with an adjusting mechanism, and the adjusting mechanism is used for simultaneously driving the rotating shafts to rotate and driving the air inlet guide vanes to rotate. Through accurate adjustment of air inlet flow and pressure, the amount and direction of the gas entering the impeller are controlled, load adjustment can be realized, the gas can be rotated before entering the impeller, the airflow angle is optimized, and impact loss is reduced.

The present disclosure relates to the technical field of cleaning equipment, and provides a first filter box and a pool robot, the first filter box comprising a first frame; a first filter screen, at least partially arranged on a side of the first frame; an eleventh opening, at least partially arranged on a top of the first frame; a third opening, at least partially arranged on a bottom of the first frame; and a first bottom cover, movably arranged on the first frame and switchable between opening and closing the third opening; when the first bottom cover opens the third opening, the third opening is used for discharging garbage in the first filter box. In the present disclosure, the garbage collection efficiency is effectively improved through the cooperation between the first bottom cover and the third opening, and the cleaning efficiency of the pool robot is also improved, thereby improving the user experience.

The utility model discloses a kind of coal mill hot air isolation doors that can prevent jam and air leakage, including door frame, door frame inside is provided with sliding slot, sliding slot inside is slidably connected with door panel, the inner wall on the rear side of sliding slot is equipped with the sealing air bag of annular structure, the side of sealing air bag top is equipped with the first air inlet pipe and air outlet pipe of adjacent arrangement, first air inlet pipe and air outlet pipe all extend to door frame top, valve is installed on the outside of air outlet pipe, the inside of the front side of sliding slot is embedded with the gas delivery pipe of U shape structure, gas delivery pipe is close to the side of sliding slot and uniformly equipped with multiple air outlets, and air outlet all is inclined to the inner wall of sliding slot Setting, the side of gas delivery pipe top is equipped with the second air inlet pipe extending to door frame top. By the above structure, the efficient sealing between door panel and door frame is realized, effectively isolates hot air leakage, and can effectively remove dust and impurities, avoids the problem of door panel jam caused by dust, is beneficial to improve the opening and closing smoothness of door panel, and use effect is good.

The utility model relates to hydraulic press mould technical field provides a ejection structure for hydraulic press mould, including mould seat, the outer wall fixedly connected with guide mechanism of mould seat is opened with the butt joint groove in the inside of mould seat, the guide mechanism includes the guide column fixed mounting in the top of mould seat, the top fixedly connected with the top plate of guide column, the inside installation of top plate has the hydraulic rod, the output fixedly connected with upper mould of hydraulic rod, the bottom fixedly connected with butt joint block of upper mould, the utility model discloses through starting hydraulic rod, drives the butt joint block of upper mould bottom fixed connection butt joint and inserts into butt joint groove, can make mould seat and upper mould stable butt joint closure, through the upper mould and remove will pull the support plate and remove, make the top rod of support bottom plate top along the mould seat sliding, play the effect that the workpiece in mould seat is driven and is ejected demoulding while the mould seat and upper mould open and separate conveniently.

The utility model provides a paper channel switching mechanism of a scanner. The paper channel switching mechanism comprises a scanner body, a paper channel switching guide plate and a driving motor, wherein the paper channel switching guide plate and the driving motor are arranged in the scanner body; a scanning channel, a paper outlet channel and a transfer channel are arranged in the scanner body, and the paper channel switching guide plate is rotationally connected to the intersection of the scanning channel, the paper outlet channel and the transfer channel; the section of the paper channel switching guide plate is triangular, a first guide surface is arranged at the top of the paper channel switching guide plate, and an arc-shaped second guide surface obliquely extending downwards is arranged on one side wall, close to the scanning channel, of the paper channel switching guide plate; the driving motor is in transmission connection with the paper channel switching guide plate and used for driving the paper channel switching guide plate to rotate, so that the scanning channel communicates with the paper outlet channel through the first guide face or communicates with the transferring channel through the second guide face, and therefore free switching of the paper channels is achieved.

The utility model relates to the technical field of keyboard shell processing, in particular to a keyboard shell structure convenient to assemble, which comprises a shell main body, a support plate and a bottom plate, the support plate and the bottom plate are used for placing parts inside a keyboard, the bottom plate is arranged on the lower side of the shell main body, the upper side of the bottom plate is connected with the support plate, and the keyboard shell structure further comprises a first limiting mechanism and a winding mechanism; the first limiting mechanism is arranged between the bottom plate and the supporting plate, and the first limiting mechanism is used for limiting the shell body and the bottom plate together; the winding mechanism is arranged on the bottom plate. The butt joint movement direction of the bottom plate and the shell body is limited through the guide assembly, jamming between the bottom plate and the shell body can be prevented, the first limiting mechanism is controlled through the winding mechanism to apply no mechanical acting force in the butt joint process of the shell body and the bottom plate, and the problem that jamming is prone to occurring between the bottom plate and the keyboard shell is solved. And the assembling fluency of the keyboard shell is influenced.

The utility model discloses a steam turbine speed valve, including valve body, install the fixed shell that communicates with each other with its on the air inlet pipe of valve body top, the inside of fixed shell is provided with filter connection subassembly, be provided with sealed spacing subassembly on fixed shell, the top of fixed shell is installed with the air pipe of pipe's guide that communicates with each other, filter connection subassembly includes installation frame, installation frame setting in the inside of fixed shell, the inside of installation frame is provided with the filter screen of pluggable. The utility model discloses through the filter screen in fixed shell can effectively intercept the rust, welding slag, metal particle and so on solid impurity in steam, avoid the impurity to cause the valve clack to jam or sealing surface wear and tear in valve body, convenient to tear down the filter screen from fixed shell inside and maintain or replace simultaneously, filter screen and installation frame are independent assembly, can replace the filter screen of wear or blockage alone, reduced the cost of use, improved practicality.

The utility model belongs to the biomass carbonization technical field especially a horizontal biomass continuous carbonization furnace, in the prior art, it is easy to have the biomass that has not dehydrated to enter the carbonization furnace main body, and in the process of carrying out dehydration to the biomass, it is easy to jam the water outlet, the problem of influence work efficiency, present and propose the following scheme, it includes the box and the feed bin of setting in the box top one side, dehydration device, setting in the inside of the box, sealing mechanism, setting on the dehydration mechanism, carbonization device, setting in the inside of the box, anti - jam mechanism, setting in the inside of the box, dehydration device includes the inclined plate of setting in the inside of the box, one side fixed connection of inclined plate has the frame, the utility model can prevent having the biomass that has not dehydrated to enter the carbonization furnace, and can dredge the dehydration mouth, prevent having the biomass to be stuck in the dehydration mouth, improve work efficiency.

The utility model provides a whole type tin forest disc forming press mould relates to tin forest disc processing technical field, including mould bottom frame, the upside of mould bottom frame is provided with mould top frame, the inside of mould bottom frame is installed with press discharge assembly, press discharge assembly includes the locating post of installation in the four corners of mould bottom frame, the bottom end of mould top frame is installed with press upper die, the inside of mould bottom frame is provided with press lower die, the surface of press lower die is opened and has formed the hole, the surface left and right sides of press lower die are opened and have the bottom groove, the inside of bottom groove is installed with stripping top plate, through setting up press discharge assembly, utilize the sliding connection of locating post and positioning connecting hole, can firm connection between mould top frame and mould bottom frame, convenient to disassemble simultaneously, after completing, through the hydraulic push rod promotes the stripping top plate to rise, will the tin forest disc after forming from press lower die and eject, avoids tin forest disc and sticks in the mould, has improved production efficiency.

The utility model provides an inner supporting body, a tire body comprising the inner supporting body and a tire, the inner supporting body is of an annular structure, the outer side face of the inner supporting body is connected to the inner side face of a tire tread through a connecting body, the outer side face of the inner supporting body is provided with an outer supporting part protruding outwards, and the outer supporting part slightly presses the inner side face of the tire tread to enable the tire tread to partially protrude. Through the improvement of the structure of the inner support body, the inner support body can be well matched with the tread to support the tread, so that the tread can adapt to various complex or uneven ground environments.

This utility model belongs to the technical field of check valve equipment, and relates to a novel bidirectional damping anti-jamming slow-opening and slow-closing check valve. It includes a valve body with an internal cavity, connecting seats on the top and bottom walls, a valve stem on the connecting seats, a damping device on the outside of the valve stem, a damping cavity inside the connecting seats, and unblocking holes running through the valve stem from top to bottom. A sealing sleeve is located at the top of the valve stem. This utility model has a simple structure and manufacturing process, is easy to maintain, and has a good buffering effect. It is suitable for various water, oil, and gas media systems, slowing down the opening or closing of the valve stem to prevent corrosion or jamming, thus protecting the safe operation of the device.

This invention relates to the field of disposable hygiene products and provides a manufacturing process for disposable hygiene products, comprising the following steps: (1) A first nonwoven fabric has a pocket area, and the first nonwoven fabric is passed through a dotted cutting mechanism, which cuts a dotted line in the pocket area; an application mechanism places a wet wipe or cotton wipe on the pocket area for conveying; a glue spraying mechanism sprays glue on the first nonwoven fabric, but not on the pocket area; a first composite mechanism composites an impermeable membrane with the first nonwoven fabric to form a water-repellent layer, and a pocket is formed in the pocket area; (2) a second composite mechanism composites an absorbent core layer, a water-repellent layer, and a liquid-permeable top layer; (3) a cutting mechanism cuts the fabric to form a sheet-like body. The pocket of this invention is positioned between the impermeable membrane and the first nonwoven fabric, saving costs, simplifying the process, resulting in a thinner and more aesthetically pleasing body, and solving the technical problems of high production costs and low production efficiency associated with setting pockets in disposable hygiene products.

This utility model discloses a soil sampler for soil sampling, comprising: a sampling shell; a control host, wherein a cable is provided between the control host and the sampling shell, one end of the cable is fixedly connected to the control host, and the other end of the cable is fixedly connected to the sampling shell; a sampling bottle for holding soil samples; and a sampling component for collecting soil samples, the sampling component being disposed on the sampling shell so that the sampling component moves with the sampling shell. The beneficial effects of this utility model are that it transports soil from the borehole inner wall through the sampling component and stores the soil in the sampling bottle, facilitating soil sampling, allowing for the collection of soil samples from different depths, avoiding mixing of soil samples from different depths, and improving sampling accuracy.