36results about How to "No lag" patented technology

This invention discloses an intelligent sterilizer for gynecological care, belonging to the field of medical devices. It includes a gripping part, with a limiting rod fixedly connected to the outer surface of the gripping part near the top. A sliding plate is slidably connected to the outer surface of the limiting rod. A control panel is fixedly connected to one side of the sliding plate. A fixing block is fixedly connected to the bottom of the sliding plate, and a pressing rod is fixedly connected to the bottom of the fixing block. A connecting assembly is fixedly connected to the top of the sliding plate. When the injection tube moves, it drives the push rod to move synchronously, causing the piston plate to push the lubricant inside the reservoir. This forces the lubricant to fall onto the surface of the moving injection tube through the outlet, lubricating the surface of the injection tube. A liquid film is formed between the lubricated injection tube and the vaginal wall, avoiding dry friction, reducing mucosal abrasion, stinging, and bleeding, making insertion smoother, and eliminating dryness, jamming, and foreign body pain, thus improving the user experience.

A brake handle with a dynamically variable rotation center in the braking process comprises a brake shell, a piston assembly, a push rod assembly, a brake handle, a multi-fulcrum linkage component and a rotation switching mechanism. The shell is provided with a piston cavity. The handle drives the piston to move through the push rod. The linkage component is provided with two rotating fulcrums, and the switching mechanism can switch two working states. When the front section of the handle is pinched, the handle rotates around the first fulcrum, idle stroke is eliminated, and operation is labor-saving. When the rear section is pinched, the second fulcrum is switched to rotate, and the lever ratio is increased to improve braking force. By means of automatic switching of double fulcrums, labor-saving control and large braking force output are both considered, and the problem that a traditional hydraulic brake handle is poor in performance is solved; the modular structure is easy to adapt to mass production, and switching nodes are accurate and controllable; a locking and failure protection structure is arranged, so that the operation is stable and safe; meanwhile, eccentric wear of parts is eliminated, the service life of sealing pieces is prolonged, and braking efficiency and use safety are improved.

The utility model relates to the technical field of construction detection, in particular to a warning board with a folding function for highway bridge on-site detection, linkage unlocking of a conical buckle mechanism can be triggered by pressing a release button, so that two warning boards can be smoothly folded by single-hand operation, the rotating design of hinge connection ensures that the folding process is not blocked, and the folding safety is ensured. The fixing plate serves as a bearing core to keep structural stability, an elastic locking system composed of the connecting rod and the spring automatically resets when unfolded, tool assistance is not needed in the whole form conversion process, the working efficiency of a bridge detection site is greatly improved, and the supporting rod is rapidly separated through threaded fit of the screw and the connecting piece. The transportation and storage process is simplified through the inserting connection structure of the base and the connecting base, the notch provides sufficient activity space for the connecting piece to avoid interference, and the split type structure enables the device to meet the loading space requirements of different vehicles and is particularly suitable for bridge detection teams needing frequent transition.

The application discloses a smelting furnace crucible anti-oxidation protection device and belongs to the technical field of smelting furnace crucible protection. The smelting furnace crucible anti-oxidation protection device is characterized by the following steps: inserting the flange crucible into the mounting through hole; after smelting is completed, retracting the telescopic end of the electric push rod, driving the push frame to slide reversely along the limiting slide rod, pushing the protection sealing cover plate to slide to the outside of the furnace body along the T-shaped guide slide bar through the pushing block, moving the push plate one away from the push plate two, gradually resetting the overlapping position of the push sliding groove one and the push sliding groove two, driving the push sliding frame to move reversely, synchronously separating the moving pressing strip from the flange of the crucible, reversely sliding the pushing block along the lifting sliding groove, pushing the linkage lifting strip to extend upward from the rectangular through slot, stably lifting the flange crucible, and directly taking out the lifted flange crucible from the mounting through hole after the protection sealing cover plate is completely opened, thereby completing dismounting.

This invention relates to the field of rotating pull-out basket cabinet accessories, and more particularly to a track assembly for a rotating pull-out basket cabinet. The assembly includes a multi-section track, with the outer track fixedly connected to the cabinet body and the inner track rotatably connected to the pull-out basket. A rack is fixed to the outer track, and a synchronous shaft is rotatably connected to the inner track. A gear meshing with the rack is fixed to the synchronous shaft on the synchronous shaft. A locking component that locks the synchronous shaft is installed on the inner track. A drive block that engages with the locking component is located at the bottom of the pull-out basket. When the pull-out basket is flush with the cabinet body, the locking component unlocks, allowing the basket to be stored normally. When the basket rotates, the locking component automatically locks the synchronous shaft to prevent collisions during storage. This assembly, through synchronous transmission of the rack and pinion gears and the linkage control of the locking component, achieves safe switching between basket rotation and storage. It features a stable structure, strong adaptability, and significantly improves the safety and smoothness of the rotating pull-out basket cabinet.

This invention discloses a fertilizer coating device, belonging to the field of fertilizer coating technology. It includes a fluidizing chamber with a discharge port at the bottom, providing a coating area; a discharge chamber located at the bottom of the fluidizing chamber, with at least a portion of the fluidizing chamber located inside the discharge chamber; and a spraying element rotatably disposed inside the discharge chamber, comprising a conical surface; a first spray groove on the conical surface; and a second spray groove on the radial outer wall of the spraying element. When the conical surface blocks the discharge port, the spraying element sprays gas into the bottom of the fluidizing chamber through the first spray groove and into the side walls of the fluidizing chamber through the second spray groove. This invention utilizes a double-groove spraying element with a circulating airflow path to construct a three-dimensional fluidization field, combined with multi-nozzle atomization spraying at the top, resulting in uniform coating thickness and no missed spraying. The conical surface also functions as a sealing and guiding element. Precise cylinder lifting and positioning, reliable gear transmission, and a combination of rail groove fitting and elastic sealing structure ensure smooth, uninterrupted movement.

The invention provides a roller motor self-locking device and a roller motor, and relates to the technical field of motors. A self-locking mechanism and a tensioning mechanism are arranged in the roller motor, and when the roller motor is in a working state, a power transmission path from the driving mechanism to the input piece, the balls, the output piece and the tensioning mechanism can be formed; and when the roller motor is in a shutdown state and the load drives the transmission mechanism and the transmission part to rotate due to gravity, the output piece can correspondingly rotate, but based on the structure of the self-locking cavity, the ball can only be attached to the self-locking cavity to rotate and cannot drive the input piece to rotate, and therefore self-locking of the roller motor is achieved. Compared with the prior art, the self-locking device is located in the roller motor, the overall size and weight of the roller motor are effectively reduced, response is rapid during self-locking, and no delay occurs.

The invention relates to the technical field of teaching demonstration tables, in particular to an adjustable teaching demonstration table device which comprises a chassis, a rotating disc is rotationally connected to the upper surface of the chassis, an automobile bogie is arranged on the upper side of the rotating disc, and a steering wheel shaft used for driving wheel parts on the automobile bogie to steer is connected to the automobile bogie. Three hemisphere seats are arranged between the chassis and the rotating disc, balls are installed in the hemisphere seats in a rolling mode, a telescopic piece used for adjusting the relative positions of the balls and the chassis is installed on the upper surface of the rotating disc, an air channel switching piece is connected to the telescopic piece, and a pneumatic piece providing power for movement of the balls is arranged between the air channel switching piece and the steering wheel shaft. The method has the following beneficial effects that abrasion of the chassis is evenly distributed at multiple positions, local dents of the chassis are prevented, and the service life of the chassis is prolonged.

This utility model discloses a novel electric lifting wireless charging stand, belonging to the technical field of wireless charging equipment. The charging stand includes a first housing, a mobile phone wireless charging base, a charging circuit board, a lifting assembly, and foldable and flip-out watch and earphone wireless charging bases on both sides of the first housing. The lifting assembly consists of a motor housing, a motor, gears, and a lifting base with a rack and pinion. The motor drives the gears to mesh with the rack and pinion, achieving height adjustment of the mobile phone wireless charging base. The mobile phone wireless charging base has a built-in first coil and magnet, while the watch and earphone charging bases respectively have built-in third and second coils, and are folded and stored via connectors. This utility model adapts to various usage scenarios through its lifting structure, integrates multi-device charging functions, and its folding design saves space and is easy to operate, making it suitable for home and office settings.

This invention discloses a rapid detection device for the planar runout of the end face of medium and large bearings, comprising a base and a turntable. The top wall of the turntable serves as a placement surface, and several slots are evenly distributed along the circumference of the turntable on the placement surface. Each slot is formed from the edge of the turntable towards its center. A clamp is movably mounted in any three slots, arranged in a triangular pattern. Each clamp has an arc-shaped contact surface at its starting end for contacting the outer peripheral wall of the bearing race under test. Each clamp is equipped with a fastening structure for securely connecting the clamp to the corresponding slot and an adjustment structure for adjusting the relative height between the clamp and the turntable to accommodate bearing races of different thicknesses. The base is equipped with a detection element for detecting the planar runout of the bearing race end face. This invention solves the problems of existing bearing planar runout detection equipment, such as complex structure, poor adaptability, easy damage to the bearing surface, inconvenient disassembly and assembly, and low detection efficiency.

The invention relates to the technical field of charging pile auxiliary equipment, and discloses a new energy automobile charging gun take-up and pay-off device and a using method.The device comprises a mounting frame, a driving wire extruding wheel and a driven wire extruding wheel are arranged on one side of the mounting frame, the driving wire extruding wheel is driven by a gear motor, and the driven wire extruding wheel is close to the driving wire extruding wheel through an elastic structure; the induction wheel is located on the front side of the driving wire extruding wheel and installed on a potentiometer assembly sliding block which only plays a bearing role, and the installation frame is further provided with a guide wheel and a front-back guide block. The using method comprises the steps of paying-off operation, charging state judgment, take-up triggering verification and automatic take-up homing, and a manager linkage homing step can be additionally arranged. Through motor driving and double verification, automatic take-up of the charging gun is achieved, exposure is prevented, safety is guaranteed, and take-up is accurate; the induction wheel and the position sensor are matched with a collaborative algorithm, so that paying-off is labor-saving and smooth; and the method adapts to existing charging piles, parameters are adjustable, and application is wide.

This application relates to a feeding control method, device, and components for a shot blasting machine, comprising the following steps: S1, determining the position of the hopper body; if the position and state of the hopper body can be determined, proceed to step S2; otherwise, proceed to step S3; the hopper body includes an empty state and a loaded state; S2, based on the position of the hopper body, continue with subsequent operation steps; S3, manual intervention, sending the hopper body to the designated position, inputting the position program to confirm the position of the hopper body, and then proceeding to step S2 after confirmation. This invention is rationally designed, compact in structure, and easy to use.

The application discloses a low-cost trunk and belongs to the technical field of automobile storage devices. The trunk comprises a storage box body and a storage box cover. The storage box cover is integrally formed with a plug-in structure. The storage box body is provided with a matching preset opening. The plug-in structure and the opening are detachably connected. The opening wall directly serves as a rotating shaft of the storage box cover, and the traditional hinge, hook and hanging rope components are completely abandoned. The storage box cover is integrated with foldable supporting legs which can be stored in the built-in clamping groove of the storage box cover. After being unfolded, the storage box cover can be quickly converted into a storage table, realizing the dual functions of storage and outdoor storage. The application simplifies the structure, greatly reduces the manufacturing cost, is convenient to disassemble and assemble, reliable to operate, has the sealing performance and the multi-scene adaptation ability, effectively solves the problems of high cost, inconvenient operation and single function of the existing trunk, and is suitable for various new energy automobile engine rooms.

This invention discloses a stacking and encapsulation module, a stacking and encapsulation machine, and a method thereof. The stacking and encapsulation module and machine include a machine base and a feeding mechanism, a stacking mechanism, a film encapsulation mechanism, an adhesive tape application mechanism, and a transfer and positioning mechanism mounted on the machine base. The feeding mechanism automatically feeds the electrode sheets and separator and precisely positions them on all four sides. The stacking mechanism alternately stacks the positive and negative electrode sheets and separator and has a separator alignment function. The film encapsulation mechanism achieves uniform film encapsulation of the battery cell through synchronous rotation. The adhesive tape application mechanism uses constant pressure adhesive application and indexing rotation to complete multi-sided edge sealing. The transfer and positioning mechanism achieves three-sided centering positioning of the battery cell. The encapsulation method includes feeding and positioning, alternating stacking, rotating film encapsulation, constant pressure adhesive application, and transfer and positioning steps. This invention features high integration, high positioning accuracy, stable operation, and high automation, significantly improving battery cell quality and production efficiency, and is suitable for large-scale production of form-fit lithium batteries.

The utility model relates to a kind of adjustable slide buckle assembly and chain belt, including sequentially arranged slider, pedestal and backplate, the middle part of opposite face of slider and pedestal is equipped with the sliding slot that cooperation chain tooth passes through, the upper end of slider and the upper end of pedestal are reserved gap, the lower end of pedestal is equipped with recess, the lower end of slider is equipped with the convex part of recess adaptation, the upper surface of this convex part is equipped with multiple equidistantly arranged limit slot, limit slot is sequentially connected and presents wavy shape, recess upper wall is equipped with the convex rib of cooperation limit slot near slot, this convex rib is inserted into limit slot with interference, pedestal detachably connects backplate.The utility model's slide buckle assembly is set adjustable sliding slot structure in slide buckle assembly, realizes the dynamic adaptation of sliding slot width, can match the chain tooth of different size models, can be widely applied in different styles, different size cotton clothes cap connecting structure, greatly improve the universal adaptability of component, reduce the component adaptation cost caused by product model iteration.

The utility model provides a roller washing machine hinge relates to the technical field of roller washing machine hinge, the utility model discloses a hinge, the lateral surface of hinge is provided with the connecting plate, the surface fixed connection of connecting plate has the fixed post, the surface of fixed post is provided with the fixed device, the fixed device includes the tapering block fixed connection on the surface of fixed post, the tapering block is rubber block, the surface of fixed post is provided with the round groove, the inside rotatory joint of round groove has the ball, one end of fixed post is provided with the bolt, the inside of bolt is screwed into fixed post, one end fixed connection of bolt has the backing pad, the backing pad is rubber board, the surface of connecting plate is provided with the recess, the inside rotatory joint of recess has the ball, the utility model solves the problem that the hinge cannot be positioned and is engaged when installing with the machine door and leads to the problem of inconvenient installation.

The invention provides a copper pipe rolling mill with a coaxial guiding function, and belongs to the technical field of copper pipe rolling mills, the copper pipe rolling mill comprises a shell and a copper pipe body, a first motor is installed on the shell, a first gear is fixedly connected to an output shaft of the first motor, a second gear is connected to the outer side of the first gear in an engaged mode, and a cam is installed on the second gear; a pressing rod is arranged on the side face of the cam in an abutting mode, a mounting plate is mounted on the pressing rod, the pressing rod is rotatably connected with the mounting plate, a connecting plate is mounted in the shell, a guide rod is fixedly connected to the connecting plate, the mounting plate is slidably connected with the guide rod, a first alloy steel spring is mounted between the connecting plate and the mounting plate, and a rotating wheel is rotatably mounted on the mounting plate; rollers are fixedly connected to the rotating wheels, and the copper pipe body is located between every two adjacent rollers. The problems that an existing copper pipe rolling mill cannot support the inner side and the outer side of a copper pipe at the same time, a pipe blank is prone to vibration and shaking during rolling, and the production quality of the copper pipe is affected are solved.

The utility model discloses a sealed door and sealed box thereof, sealed door, this sealed door includes: door frame subassembly, gas seal subassembly, door body, parallel shift subassembly, when parallel shift subassembly drive door body to drop to door frame subassembly, the rim of door body and door frame subassembly are inlaid, and the gap between door body and door frame subassembly is filled after filling by gas seal subassembly, and the sealing between sealed door and preset box is completed, the sealed box includes above-mentioned sealed door, and this sealed door adopts double protection design, and mechanical and air bag seal are combined, and air bag fills to form the annular sealing band of no breakpoint, and is suitable for many severe scenes. Air bag can directional convex fill the gap, and the door body design ensures that contact is even, and still is stable under temperature change vibration. The door body is driven by bilateral rodless air cylinder symmetry, and the clearance error is eliminated through magnetic coupling transmission, and movement is stable, and the sealing accurate inlaid is guaranteed.

The utility model discloses a constant temperature shaking table convenient to maintain, including box body shell, the bottom four corners of box body shell are all screw -threaded connection has the adjusting support, and the bottom inner wall of box body shell is fixed with the drive layer framework through screw, the middle part of drive layer framework is provided with bearing mounting seat, and the bearing mounting seat is installed with servo motor through bolt, the utility model discloses a layered structure through adopting drive layer framework, heat -preserving layer framework and carrier layer framework, and utilize first lock hole, second lock hole cooperation quick -release type cam lock realizes each layer quick locking and split, need not help complex tool to complete each layer separation, when servo motor, heating pipe etc. component failure, can directly targeted dismounting corresponding framework layer maintenance, greatly shorten maintenance time, reduce the influence to other components, simultaneously, carrier layer framework fixes heat -preserving layer through magic tape, only needs to peel off magic tape when replacing heat -preserving layer, further improves maintenance convenience.

The utility model provides an environment-friendly disposable tableware crusher, which relates to the technical field of environment-friendly material treatment, comprises a feeding conveyor belt assembly and a discharging conveyor belt assembly, and is characterized in that a bracket is arranged at the tail end of the feeding conveyor belt assembly, and a crushing mechanism is arranged at the top of the bracket; the upper end of the crushing mechanism is provided with a tapered feed port, and the lower end of the crushing mechanism is provided with a discharge port; the crushing mechanism comprises a protective cover fixedly installed at the upper end of the support, a cutter assembly is installed in the protective cover, positioning plates located in the protective cover are symmetrically installed on the left side and the right side of the cutter assembly, a filter plate is connected to the lower portions of one set of positioning plates, and the filter plate is formed by integrally connecting a vertical fixing plate and a transverse arc-shaped filter plate; according to the equipment, the problems of fiber winding blockage and uneven granularity in bamboo fiber and PLA tableware crushing are solved, the fiber winding failure rate is reduced, and the screening efficiency is improved.

The utility model relates to the technical field of lubricating devices, in particular to an automobile door hinge lubricating and oiling device which comprises a supporting base, an oiling machine barrel body, an oiling machine barrel cover body, a positioning supporting seat and a push handle body. An oiling machine barrel cover body is installed on the outer wall of the top end of the oiling machine barrel body in an attached mode, positioning supporting bases are symmetrically and fixedly installed on the outer walls of the side edges of the supporting base, and push handle bodies are installed on the outer walls of the top ends of the two positioning supporting bases in a supporting and connecting mode. Through cooperation of the limiting baffle, the limiting barrel and the torsional spring, the oil filling pipe winding device can be turned upwards to open a winding space, the torsional spring is automatically reset after loosening, the oil filling pipe is stably limited between the supporting back plate and the limiting baffle, pipeline loosening or dragging abrasion caused by traditional manual winding is avoided, meanwhile, the two sets of positioning supporting columns provide symmetrical winding fulcrums, and the winding efficiency is improved. The oil filling pipe can be wound layer by layer.

The utility model discloses a metal surface treatment is with coating film device that cooling effect is good belongs to metal surface treatment technical field, including base, the rear of base top is provided with first sliding slot, and the first sliding slot rotation is connected with first screw rod in, and the first screw rod is screw -threaded connection has first sliding block on, and the top fixed connection of first sliding block has support, and the fixed connection of support has U -shaped frame on, and the side away from second motor output end of rotating part swing joint has sleeve rod, and the rotation is connected with deflection bar on U -shaped frame, and the left -hand end fixed connection of deflection bar has fixed block, and the bottom fixed connection of fixed block has shower head. The metal surface treatment is with coating film device that cooling effect is good, through the synergies of second motor, rotating part, sleeve rod, deflection piece, deflection bar, can realize the multi -angle deflection of shower head and not single fixed angle, can adapt to the surface coating film demand of complex shape metal workpieces such as arc, inclined plane, solve the problem of traditional device coating angle single.

This invention discloses a capsule-shaped wine cabinet, comprising a support base, a capsule body, a support frame, a top mount, and a lifting assembly. The support base has four shock-absorbing legs arranged in a circular array around its bottom. The top mount and the support frame are connected by four support rods arranged in a circular array. A slewing bearing is rotatably connected to the support frame, and the capsule body is mounted on the slewing bearing. A lifting and rotating drive mechanism is provided between the support frame and the support base to simultaneously drive the lifting assembly up and down and the slewing bearing to rotate. This invention adopts a capsule-like design, breaking away from the traditional square and rigid shape of wine cabinets. Combined with the circular array of glass windows on the capsule surface, it enhances visual appeal, creating a highly technological and personalized appearance, while also clearly displaying the wines inside from multiple angles, meeting the user's display needs.

This invention discloses a multi-level fusion communication scheduling method and system, relating to the field of industrial processing communication scheduling technology. It solves the technical problem in existing technologies where, for a single process, the communication needs of each stage cannot be met while avoiding resource idleness. Specifically, it employs a hierarchical progression from "overall process scheduling → specific scenario scheduling → risk and hazard scheduling," covering the communication needs of different dimensions of the industrial processing production line and forming a complete multi-level fusion scheduling system. All scheduling is based on "actual scenario parameters," avoiding the rigidity of static scheduling and achieving dynamic and precise allocation of communication resources, balancing transmission efficiency and stability. By optimizing communication scheduling, from three levels—"reducing unnecessary scheduling," "allocating resources on demand," and "avoiding risks and hazards"—it ultimately ensures the qualified operation, efficient control, and low-risk operation of the industrial production line, providing communication-level support for the overall efficiency of the production line.

The invention relates to the technical field of automobiles, discloses a projection curtain track mechanism used for an automobile partition and capable of being telescopically stored, and solves the problem that an existing fixed track occupies the space of the front row. The mechanism comprises a partition body (1), a projection curtain (45), a curtain driving motor, a left track mechanism (21), a right track mechanism (22), a left rotation driving motor (41) and a right rotation driving motor (42). The track mechanism comprises a rotating arm (412), a curtain track (43), a first-stage decoration plate (413) and a second-stage decoration plate (414), and the rotating driving motor can drive the track to be switched between the working position and the storage position. During storage, the track is attached to the partition to release the front-row space; and the curtain can be stably lifted during working. The mechanism improves the flexibility of the space in the car, runs stably, is convenient to operate, and is suitable for high-end car types such as luxury cars and MPVs.

The application relates to the field of parallel heterogeneous computing and simulation, and provides a simulation propulsion method and system based on double-engine fusion and a readable storage medium; the method comprises the following steps: constructing a joint working mechanism of a simulation engine and a rendering engine, the simulation engine is used for logical calculation, and the rendering engine is used for expression presentation; discrete event driving and continuous rendering driving are fused to form a hybrid propulsion mechanism; a real timeline and a simulation timeline are maintained in parallel; a simulation step is calculated through a time management mechanism, and the simulation engine is driven to perform discrete event propulsion, and the rendering engine is driven to perform continuous rendering update at the same time; the time management mechanism dynamically adjusts the simulation step based on frame interval calculation, state judgment and a time acceleration factor. Through double-engine cooperation and unified step driving, efficient synchronization of logical calculation and visual expression is realized, time synchronization error is reduced, CPU and GPU utilization is significantly improved, and the application is suitable for tactical level confrontation simulation and digital twin scenarios.

An adjusting groove which is concave forwards is formed in the middle of the rear surface of a main body plate, the left side face and the right side face of the adjusting groove are symmetrical arc-shaped side faces, and two symmetrical rope inlet channels which are communicated with an upper mounting groove are upwards formed in the adjusting groove. The adjusting groove is downwards provided with two symmetrical rope outlet channels communicated with the lower mounting groove, the adjusting groove is provided with two resistance friction plates capable of moving left and right, arc-shaped adjusting channels are formed between the two resistance friction plates and the left side face and the right side face of the adjusting groove respectively, and a back plate is fixed to the rear surface of the body plate. According to the utility model, two steel wire ropes are adopted, so that the strength is higher and the safety is better; all the components are made of 304 stainless steel materials, so that corrosion, rusting, aging and blocking are avoided, the service life is long, the reliability is good, and the safety is high; the descending and stopping can be controlled, the descending speed can be adjusted, self-locking speed reduction can be achieved when the descending speed is too high, and safety and reliability are good.

This invention discloses a Magic Keyboard hinge structure and its control method, including a base plate, a rotating plate, and a hinge assembly. The base plate is fixed to the keyboard base, and the rotating plate is fixed to the display screen body. The hinge assembly includes a rotating shaft and a ball bearing concave cam rotating assembly, a first tension adjustment assembly, a cam rotating assembly, a second tension adjustment assembly, and a torsion spring, all of which are connected to it in a transmission manner. The ball bearing concave cam rotating assembly engages with the ball bearing through a circular pit at the end of the slide rail concave wheel, forming a mechanical angle self-locking at the maximum opening angle. The cam rotating assembly and the torsion spring work together to provide opening assistance and closing buffer. The second tension adjustment assembly adjusts the axial preload through a nut to adapt to different screen weights. The base plate and the rotating plate are positioned by a protrusion on the bushing engaging with a slot. The shaft end is provided with a cover to prevent dust and detachment. This invention achieves mechanical self-locking, adjustable damping, smooth opening and closing, and high reliability, improving the user experience.

The utility model provides an oil cylinder control system of a forging press, which comprises a plurality of proportional direction valves, proportional pilot valves, pressure reducing valves and throttle valves, the quantity of the proportional direction valves, the quantity of the proportional pilot valves, the quantity of the pressure reducing valves and the quantity of the throttle valves are the same, the second end of each proportional direction valve is used for being connected with an action oil cylinder of the forging press, the third end of each proportional direction valve is connected with the first end of the corresponding proportional pilot valve, and the second end of each proportional pilot valve is connected with the corresponding pressure reducing valve and the corresponding throttling valve in series and then connected into the pilot oil way. Precise adjustment of pilot pressure and flow is achieved, and the problem of clamping stagnation of a small-drift-diameter proportional direction valve is solved while the large-flow action requirement is met.