26results about How to "Achieve braking" patented technology

The present application relates to a kind of pure mechanical friction brake and its working method, including input shaft disc, spacer, copper friction plate, steel friction plate, rear end plate, output shaft, spring, spring backing plate, bearing, pin, cam, lever, bearing.Compared with prior art, the pure mechanical friction brake of the present application is entirely composed of mechanical parts, the size of brake friction can be set by adjusting the friction plate and spring, the compression length of spring is adjusted by the extrusion of lever on cam, so as to adjust the extrusion force between friction plate, finally realize the conversion of brake and drive of cam, to realize the function of basic brake, at the same time, automatic parking can be realized when power failure occurs to deal with emergency.

The utility model discloses a big load outer rotor axle brake tractor, related to tractor technical field, including the casing body, the inside cooperation and installation of casing body have stator, the outside cooperation and installation of stator have rotor, then rotor is fixed on transmission shaft, transmission shaft is away from the one end cooperation and installation of stator have axle brake assembly and tractor wheel, wherein axle brake assembly still with outside fixed, then outside fixed in the outside of casing body, be equipped with controller in the top of casing body, when the magnetic core power off, brake spring will armature pop out quickly, armature top brake disc through the tooth cylinder along the gear shaft sliding, and make brake disc and friction disc close, realize transmission shaft brake under the action of friction, axle brake assembly direct action on the axle, relatively simple structure, the number of parts is less, the trouble point also reduces accordingly, and the reliability is higher, and the brake mode of axle brake assembly makes the braking process more stable, and the noise is smaller, is favorable to create the quiet living environment.

This invention discloses a composite flow control device of needle valve and pressure valve and its working method, which solves the problem that fluid controllers in the prior art all use single control. It has the beneficial effects of realizing the switching between pressure valve and needle valve and avoiding fluid contamination. The specific solution is as follows: A composite flow control device of needle valve and pressure valve includes a support frame, which supports a switching control structure. A needle valve and a pressure valve are arranged sequentially on one side of the switching control structure. The needle valve includes a needle valve body, a first flow channel is provided in the needle valve body, the needle valve body is connected to an isolation shell, an internal rotor is provided in the isolation shell, an external rotor is arranged circumferentially outside the isolation shell, the bottom of the isolation shell is fixedly connected to a screw, and part of the screw is located inside the internal rotor to form a helical drive between the internal rotor and the internal rotor. One end of the internal rotor is provided with a needle-shaped component that can be inserted into the first flow channel. The switching control structure includes a rotating shaft that passes through the support member. The rotating shaft is rotatable and is connected to the sun gear of the planetary gear component.

The invention relates to the technical field of press machines, in particular to an auxiliary brake mechanism of a press machine for metal cellular board production, which comprises a brake driving component, a brake driving component, a hydraulic rod, a brake driving component, a brake driving component and a brake driving component, and is characterized in that the brake driving component is mounted on the press machine; the friction braking assembly is also installed on the press machine and used for conducting friction braking on the hydraulic rod, and the friction braking assembly is driven by the braking driving assembly to move; the plug-in brake assembly is connected with the brake driving assembly, and the brake driving assembly drives the plug-in brake assembly to move so as to brake the hydraulic rod; when a main brake of the press fails or emergency braking is needed, auxiliary braking of the hydraulic rod can be achieved by pushing the braking driving strip in the direction of the press, operation is easy, convenient and rapid, potential safety hazards can be eliminated within the shortest time, the braking driving strip can achieve automatic locking, and the stability of auxiliary braking is guaranteed.

The utility model relates to the technical field of nursery stocks, and discloses a rapid nursery stock transplanting device based on layered protection, which comprises a bottom plate, the left end of the front side of the bottom plate is fixedly connected with a supporting plate, the rear side of the supporting plate is fixedly connected with a motor, and the output end of the motor is fixedly connected with a conversion shaft. A first hollow plate is fixedly connected to the top of the outer wall of the conversion shaft, a plurality of second telescopic rods are fixedly connected to the bottom of the inner wall of the first hollow plate, a first solid plate is fixedly connected to the tops of the second telescopic rods, an arc-shaped plate is fixedly connected to the top of the first solid plate, and a second hollow plate is fixedly connected to the left side of the outer wall of the conversion shaft. According to the seedling transplanting device, after the motor is started to rotate the conversion shaft and the solid plate rotates to a proper angle, the limiting block is inserted to limit the conversion shaft, the second telescopic rod is started, the arc-shaped plate is pushed into soil, seedlings are shoveled out, a user can conveniently transplant different seedlings, transplanting time is shortened, and efficiency is improved.

The utility model relates to the technical field of mechanical engineering, and discloses a cutting fluid anti-precipitation device which comprises a shell, the left side of the outer wall of the shell is communicated with a feeding pipe, the right side of the outer wall of the shell is communicated with a discharging pipe, the top end of the inner wall of the shell is rotationally connected with a first top cover, and the top end of the first top cover is fixedly connected with a waterproof shell. A motor is fixedly connected to the inner wall of the waterproof shell, a rotating column is fixedly connected to the output end of the motor, a stirring rod is fixedly connected to the top end of the outer wall of the rotating column, stirring blades are fixedly connected to the bottom end of the outer wall of the rotating column, and an auxiliary mechanism is arranged on the outer wall of the shell. According to the cutting fluid stirring device, the motor is started to drive the rotating column to rotate, the stirring rod and the stirring blades rotate along with the rotating column in the rotating process of the rotating column so that precipitates cannot be gathered, stirring of internal liquid can be achieved, and the situation that the internal precipitates are accumulated and attached to the bottom of the shell due to the fact that cutting fluid is static for a long time is prevented.

This invention proposes a braking device for a rotating shaft. A hydraulic (pneumatic) cylinder provides a pushing force to the piston, compressing an elastic friction plate and causing it to contract. The elastic friction plate then releases the brake pad, allowing it to rotate freely. When the hydraulic (pneumatic) cylinder's thrust disappears, the elastic friction plate is no longer compressed. The elasticity of the material itself allows the compressed deformation to recover. The elastic friction plate then contacts and compresses the brake pad, stopping its rotation and thus achieving braking. The outer edge of the brake pad is positioned between the pressure cap and the elastic friction plate, resulting in double-sided compression. The upper axial surface of the brake pad is compressed by the elastic friction plate due to the deformation of the elastic material itself, while the lower axial surface is compressed by the main housing of the motor, forming double-sided friction compression.

The utility model discloses a blade braking device of a mowing vehicle and the mowing vehicle, and relates to the technical field of mowing vehicles, the blade braking device of the mowing vehicle comprises a braking block, the braking block is provided with at least two friction surfaces, and the at least two friction surfaces are used for being in friction with the inner wall surface of a belt pulley to achieve braking of the belt pulley and a blade; the brake block is configured to move between a first position and a second position relative to a belt pulley of the mowing vehicle, so that when the brake block is located at the first position, at least two friction surfaces are in friction with the inner wall surface of the belt pulley to brake the belt pulley and the blade, and when the brake block is located at the second position, the brake block is separated from the belt pulley. According to the blade braking device of the mowing vehicle, the problem that the braking time is unstable due to friction between metal parts and a belt is solved.

The utility model relates to the technical field of trundle, and disclose a kind of anti-winding universal trundle structure, and bearing frame is used as wheel body including integrally formed barrel cover and L-shaped cover;L-shaped cover inside channel is less than the inside channel of barrel cover;Trundle includes by PP plus PU material composite and through bearing A rotation sleeve in the outer wheel of middle pipe outer side and the two wheel edge covers of buckling in the outside of bearing A and covering in the both sides of outer wheel;Two wheel edge covers are boss shape structure;Upper mounting frame is installed on barrel cover and is rotated with barrel cover by bearing B. Through barrel cover and L-shaped cover and boss shape wheel edge cover multiple structure design effectively prevent winding, improve brake reliability, and overall structure is stable, assembly maintenance is convenient, and comprehensive performance is more optimal;Adopt composite material and reasonable bearing setting, enhance the wear resistance, cushioning and rotating flexibility of trundle.

The utility model provides a kind of pet treadmill, including main body frame, front wheel hub, rear wheel hub, front support foot, rear support foot, running belt and tether frame, the tether frame is connected to main body frame with adjustable angle, and the traction rope connected on tether frame can be in different positions with the angle change of tether frame, so that the pet treadmill can be adapted to different body shape of pet, also can be adapted to different training mode, satisfy individualized training demand.Pet treadmill's front support foot and rear support foot are pivotally connected to main body frame, so that front support foot and rear support foot can be pivoted to be folded to storage position, so that the pet treadmill occupies smaller space, it is convenient for daily storage or transportation.

This invention discloses a magnetic levitation circular conveying device and method, comprising: a mounting base, a controller, a circular magnetic levitation stator rail, a material conveying mechanism, a braking mechanism, a fixing frame, a linear motion module, and a vision recognition module; the controller is disposed on the front side of the mounting base; the circular magnetic levitation stator rail is mounted on the top of the mounting base; several material conveying mechanisms are spaced apart on the inner side of the circular magnetic levitation stator rail; the braking mechanism is disposed below the circular magnetic levitation stator rail; the fixing frame is mounted on the rear side of the mounting base; and the linear motion module is disposed on the top left side of the fixing frame along the front-rear direction. This magnetic levitation circular conveying device and method can achieve rapid braking during high-speed magnetic levitation circular conveying, shortening the braking distance, and can achieve precise braking during the conveying of heavier materials, making the material movement position more accurate.

A kind of scraper conveyor chain tightening tool and chain tightening method, wherein the scraper conveyor chain tightening tool includes scraper blocking plate component installed on the tail transition groove middle plate of scraper conveyor, chain blocking wheel component hingedly installed on the tail frame of scraper conveyor, and chain tightening controller, chain tightening controller is electrically connected with the drive part of scraper conveyor and chain blocking wheel component by wire.This application solves the problem that manual clamping mechanism is used in gate disc chain tensioner, which is complicated to operate, has high risk and can only be applied to small power scraper conveyor, and uses intelligent chain tightening control system to realize chain tensioning, braking, chain pinching and chain loosening, automatically completes the chain tightening process, omits the hydraulic chain tensioner and corresponding hydraulic control system prone to failure, and is safe, simple and easy to operate, with high reliability and more safety;The output torque in the chain tightening process is controlled by chain tightening controller, and the chain link is increased or decreased when the chain tension reaches the ideal state, to ensure that the chain is in the best tensioning state after the chain tightening is completed.

The present application relates to gap self-adjusting type brake, relates to brake technical field, including brake bottom plate, brake adjusting system, brake power device, two brake shoes, shoe pressing plate, water film sensing system, vibration system and brake hub, brake power device is transmission connection with each brake shoe, brake hub is rotatably installed on brake bottom plate, brake adjusting system changes the interval between two brake shoes after two brake shoes wear, water film sensing system is slidably installed on brake shoe, pressure sensor is arranged on water film sensing system, vibration system includes eccentric vibration device and two vibration hinged plates, vibration hinged plate is hinged on corresponding brake shoe, each vibration hinged plate is hinged with each other, eccentric vibration device is installed on one of vibration hinged plate, eccentric vibration device moves along the inside wall of brake hub, eccentric vibration device drives vibration hinged plate to rotate, brake failure caused by water film can be prevented.

This utility model provides a tractor brake cylinder and a tractor. The brake cylinder includes a housing, a hydraulic braking assembly and a pressure plate lever disposed inside the housing. The hydraulic braking assembly includes a brake piston, a brake push rod, and a hydraulic brake rocker arm. A hydraulic oil passage is provided at the end of the housing, and the brake piston is disposed in the hydraulic oil passage. The brake piston drives the hydraulic brake rocker arm to rotate through the brake push rod. The hydraulic brake rocker arm drives the pressure plate lever to move, thereby causing the tractor's brake pressure plate to twist. This tractor brake cylinder, through the cooperation of the housing, the hydraulic braking assembly, and the pressure plate lever, allows the brake fluid to act indirectly on the brake pressure plate instead of directly on it, thus effectively reducing the braking system pressure and extending its service life. The tractor brake cylinder has a compact overall structure, achieves tractor braking through mechanical cooperation, and is low in cost and highly reliable.

The application relates to an electronic and electrical system of a vehicle and the vehicle. The electronic and electrical system of the vehicle comprises a mobile data center, a main area controller and a backup area controller; wherein different area controllers are arranged in different sub-areas of the vehicle, the main area controller is connected with a main bus network segment, and the backup area controller is connected with a backup bus network segment; the main area controller is configured to communicate with the mobile data center, a main braking assembly and a main steering assembly in the main bus network segment, and the backup area controller is configured to communicate with the mobile data center, a backup braking assembly and a backup steering assembly in the backup bus network segment. The scheme can realize redundant control of vehicle braking and vehicle steering, and improve the safety of vehicle driving.

The application relates to a full-plastic double-helix compression spring processing equipment and belongs to the technical field of spring processing. The equipment comprises a bottom plate, a vertical plate fixedly connected to the top of the bottom plate, a processing rod rotatably connected to one side of the vertical plate, a driving motor fixedly connected to the side, away from the processing rod, of the vertical plate and used for driving the processing rod to rotate, a sliding seat slidingly connected to the top of the bottom plate, and a driving mechanism arranged on the top of the bottom plate and used for driving the sliding seat to reciprocate. The spring processing material can be quickly compressed by pushing the sleeve ring, the operation is simple, and the sleeve ring is convenient to remove. When the sliding seat drives the guide pipe to move, the guide pipe can rotate, automatic spring compression can be realized, the automation degree of the equipment is improved, and personnel intervention is not needed. The sleeve rod, the convex sliding block and the inner rod can be adjusted, the equipment can be used for processing spring materials with different sizes and different specifications, and the equipment has high flexibility.

The utility model discloses a hub motor with an electromagnetic brake, and belongs to the field of hub motors. The motor mainly comprises a hub and a motor shaft, the motor shaft is provided with a rotor, the rotor is provided with a central shaft sleeve, a stator assembly surrounds the outer side of the central shaft sleeve, the central shaft sleeve is sleeved with a first fixing piece and a second fixing piece, the first fixing piece is fixed to the central shaft sleeve through screws, and a brake pad is arranged between the first fixing piece and the second fixing piece; a fixed cover is mounted on the hub through a bearing, the fixed cover is provided with an annular groove, and an electromagnetic coil is mounted in the annular groove; the fixing cover is provided with a pushing part which is powered on / off through the electromagnetic coil and suitable for controlling the second fixing piece to move front and back. According to the hub motor with the electromagnetic brake, the braking function is integrated between the fixing pieces of the rotor and the stator, internal space occupation is reduced, the second fixing piece is driven to drive the brake pad to make contact with or be separated from the first fixing piece through power-on or power-off of the electromagnetic coil, and braking is achieved.

The cargo platform synchronous anti-falling mechanism and method thereof described in the application belong to the field of intelligent logistics and storage. The brake wire linkage mechanism is proposed to enable the wedge-shaped block steel wire lifting point to release the brake wire linkage through the spring when the rope is broken, so as to achieve the purpose of active and synchronous clamping rail braking of the safety tongs on both sides of the cargo platform. The cargo platform synchronous anti-falling mechanism comprises a steel wire rope connected in a closed loop between the upper pulley and the speed limiter on the top and bottom of the stand column, and a group of speed limiter levers fixedly connected on the steel wire rope and vertically running with the steel wire rope, the side end of the speed limiter lever being fixedly connected to the cargo platform and synchronously lifting with the cargo platform; two groups of wedge-shaped block steel wire lifting points and safety tongs are symmetrically arranged on both sides of the cargo platform; a group of brake wire communication assemblies are arranged at the center of the cargo platform and connected with a group of speed limiter levers, two groups of wedge-shaped block steel wire lifting points and two groups of safety tongs through brake wires.

The utility model discloses a high-sealing-performance wear-resistant adjusting valve which comprises a valve body, a valve seat arranged at the upper end of the valve body, a valve rod arranged on the valve seat and an adjusting hand wheel arranged at the top end of the valve rod. A support is arranged at the upper end of the valve seat, the valve rod is installed in the support, the support is provided with a mistaken touch prevention assembly, the mistaken touch prevention assembly comprises a locking shell arranged at the upper end of the support, the valve rod penetrates through the locking shell, and gear teeth are evenly arranged on the portion, located on the inner side of the locking shell, of the valve rod in a surrounding mode. The periphery of the inner side of the locking shell is movably connected with a movable plate in the radial direction of the valve rod. According to the high-sealing-performance wear-resistant adjusting valve, the valve rod can be locked after the adjusting hand wheel is screwed through the arranged mistaken touch prevention assembly, misoperation of non-staff can be avoided, a protection mechanism is added, safety is improved, and the valve rod can be conveniently and automatically locked through the arrangement of the first spring.

The utility model discloses an oblique arm manipulator swing arm device which comprises a base, the top of the base is fixedly connected with a rotating disc, the top of the rotating disc is fixedly connected with a control box, and the top of the control box is fixedly connected with a driving box. A stop mechanism is formed by arranging the annular stop disc, the stabilizing rod, the upper pressure rod, the lower pressure frame, the arc-shaped stop piece, the triangular plate, the stop air cylinder and the like. When a stop air cylinder contracts, a triangular plate is driven to move leftwards, then arc-shaped stop pieces on an upper pressure rod and a lower pressure frame are matched with an annular stop disc, braking of the swing arm device is achieved, the swing position of the inclined plate mechanical arm is reinforced and stabilized by arranging a stabilizing mechanism, the stability in the swing process is improved, and the stability of the inclined plate mechanical arm is improved. And effective braking is conducted through the stop mechanism when the swing arm stops acting, the situation that when the swing arm stops, the mechanical arm shakes and disengages teeth, and use is affected is avoided, and the safety and accuracy of the mechanical arm are improved.

The utility model belongs to the technical field of elevator accessories, and particularly relates to an electronic safety gear which comprises a gear body, a brake pin roller and a friction block, and the gear body is provided with a guide rail channel extending vertically and a roller path and an embedding groove which are distributed on the two sides of the guide rail channel; the brake pin roller is arranged on the caliper body through the pin roller cover plate and is movably matched with the roller path; the friction block is mounted in the embedding groove of the caliper body through the limiting cover plate; the electronic safety tongs further comprise an electronic trigger piece installed on the tongs body, and are characterized in that the roller cover plate is provided with a roller movable avoiding strip-shaped hole and a cover plate transverse movable stroke hole, and the convex shaft of the brake roller is inserted into the roller movable avoiding strip-shaped hole; the pin roller cover plate penetrates through the cover plate transverse movement stroke hole through a fixing piece to be fixed to the clamp body so that the pin roller cover plate can be movably installed on the clamp body in a matched mode. In the power-off state, the electronic triggering piece drives the roller cover plate to move transversely to be close to the guide rail channel, and the roller cover plate synchronously links the braking roller to move transversely to be in contact with the elevator guide rail. The electronic safety tongs are better in safety and reliability.

This invention discloses an elevator speed governor employing hydraulic braking and electromagnetic clamping, relating to the field of elevator safety facilities technology. It includes a first speed-limiting mechanism and / or a second speed-limiting mechanism. A rotating shaft for fixing the speed governor wheel is rotatably mounted on a frame. The output end of the first speed-limiting mechanism acts on the rotating shaft, limiting its rotation. The output end of the second speed-limiting mechanism acts on both sides of the speed governor wheel, limiting its rotation. The first speed-limiting mechanism is a hydraulically driven disc-type clamping mechanism controlled by a motor, gear, and rack structure. The second speed-limiting mechanism is a pressure block-type clamping mechanism that utilizes electromagnetic attraction and spring force to initiate speed limiting, braking, and resetting. It features a simple structure, strong anti-interference capability, rapid and reliable speed-limiting action, adjustable braking force, and no need for manual resetting, effectively ensuring elevator operational safety and adapting to different working environments.

The utility model relates to a kind of friction clutch structure for realizing braking by pneumatics, belong to the technical field of friction braking mechanism, including rotating shaft, the rotating shaft is equipped with transmission disc, the transmission disc side is equipped with with rotating shaft movable sleeve joint's brake pressure disc, the transmission disc and brake pressure disc between being equipped with friction plate, the friction plate is equipped with several annular distribution and with transmission disc screw thread type sleeve joint fixed counterbore screw, the transmission disc and rotating shaft between being equipped with spring that drive brake pressure disc is reset.With compact structure, operating stability is good and the characteristics of long service life.Adopt the design of thrust ball bearing, solve the friction wear problem between rotating component and stationary actuator.By air pressure to generate braking force, make transmission disc and friction plate combine, to realize braking;When air pressure disappears, through spring force to make component separate, restore transmission.

The invention relates to a gas injector for blowing in gaseous fuel, comprising: a magnetic actuator (2) having an armature (20), an inner pole (21) and a coil (22); a closing element (3) which releases and closes the gas path (14) on the sealing seat (11), the armature (20) being operatively connected to the closing element (3); a closed lubricant chamber (4), which is filled with a lubricant and in which the armature (20) is arranged in order to ensure lubrication of the armature; the closing element (3) has a lubricant chamber (4), and a damping device (6) which is arranged in the lubricant chamber (4), the damping device (6) being designed to damp a closing movement of the closing element (3), the damping device (6) having a damping piston (61), a damping housing (60), a throttle (62) and a damping chamber (63) formed in the damping housing (60), the damping chamber (63) has a throttle (62) which connects the damping chamber (63) to a compensation chamber (54), the throttle being arranged in the damping housing (60), and wherein a guide region (66) with a guide gap is formed between the damping piston (61) and the damping housing (60).

This invention provides a locking structure for a hub motor, a hub motor, and an electric device, including: a rotating component, a connecting seat, a locking tongue, and a locking actuation unit; the rotating component is connected to the motor rotor assembly of the hub motor and rotates with the motor rotor assembly, and includes multiple slots; the connecting seat is connected to the motor stator assembly of the hub motor; the locking tongue is rotatably connected to the connecting seat, and the locking actuation unit is connected to the connecting seat and driven by the locking tongue, enabling the locking tongue to rotate, thereby extending into or retracting from a slot. This invention achieves locking and unlocking by engaging the locking tongue with the slots of the rotating component, thus realizing braking of the hub motor. The overall structure is compact and occupies little space, providing sufficient braking torque when locked to meet actual operating conditions.

The application discloses a kind of four-wheel engineering vehicle parking brake methods of corner module structure, comprising the following steps: after whole vehicle control MCU receives parking brake command, direction information is sent to the steering MCU in the corner module of vehicle respectively, and steering MCU controls steering motor to drive wheel steering;The steering MCU in one or more corner modules controls relay to close, and then make the clutch in this corner module close;Each steering MCU controls steering motor to rotate, and makes the four wheels of vehicle steering 45 °;When steering motor rotates, the clutch in corner module rotates, so that brake cable is wound and shrunk on clutch, brake cable pulls brake lever, and completes braking.The application solves the problem of existing corner module structure engineering vehicle long-time parking pressure relief and the efficiency and risk problem of traditional manual parking, and the application can automatically and effectively park brake on corner module after obtaining parking brake command signal.