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28results about How to "Realize self-locking function" patented technology

Vibration measuring device for motor equipment

The invention provides a vibration measurement device for motor equipment, and relates to the field of vibration measurement, and the device comprises a main body support frame, and the left and right sides of the top of the main body support frame are provided with self-locking worm gears A; a mounting angle adjusting shaft is rotationally mounted on the inner side of the main body supporting frame; self-locking worms A are arranged on the left side and the right side of the mounting angle adjusting shaft; the self-locking worm A is matched and connected with the self-locking worm gear A; guide pieces are arranged on the left side and the right side of the main body supporting frame. A mounting angle adjusting part is arranged in the middle of the mounting angle adjusting shaft; the vibration testing device can test vibration of motor equipment at different installation angles and output angles, the universality and accuracy of the vibration testing result of the device are improved, and the problem that the vibration amplitude of the motor equipment is affected to a certain extent due to installation modes at different angles is solved. And a vibration measurement result obtained by only testing plane installation does not have universality.
Owner:LINYI CAIBO ELECTRONIC INFORMATION TECH CO LTD

A fixture device for detecting performance of energy-saving materials

ActiveCN224464502URealize self-locking functionprevent slippingAcute angleClassical mechanics
The utility model discloses a clamp device for energy -conserving material performance detection, including two clamping arms of symmetrical distribution, and install locking assembly and mounting assembly between the lower extreme of two clamping arms, and install two symmetrical distribution's clamping head of wedge between the upper extreme of two clamping arms, and clamping head is slidably connected with the clamping arm of being located at the same side through inclined plane guide structure, and the inclined plane guide structure includes the first slope of setting on the clamping arm and the second slope of setting on the clamping head and the first slope abuts and slide -fit, and the end of clamping head away from the second slope has the clamping plane of vertical distribution, and the second slope on two clamping heads forms the sharp angle of opening downward. The utility model discloses through setting inclined plane guide structure to produce the stress tendency of each other close to two symmetrical distribution's clamping head, realizes the purpose of self -locking clamping, and effectively prevents the occurrence of sample skidding phenomenon.
Owner:GUANGZHOU MUNICIPAL COMMITTEE CONSTR ENG CHECKING & MEASURING SERVICE CENT

A pendant dry powder fire extinguisher

ActiveCN224404238Ueffective lockingRealize self-locking functionStructural engineeringFire extinguisher
The utility model relates to fire extinguisher technical field discloses a kind of suspension type dry powder fire extinguisher, including bottle body, the top of bottle body is fixedly connected with fixed seat, the inner wall of fixed seat is rotatably connected with rotating ring, the top of rotating ring is fixedly connected with hook, the outer wall of hook is rotatably connected with connecting shaft, the both ends of connecting shaft are fixedly connected with baffle, the side of baffle is fixedly connected with spring, the outer wall of hook is fixedly connected with baffle head, the bottom of bottle body is provided with adjusting assembly, and the adjusting assembly includes connecting port, the inner wall of connecting port is threadedly connected with spout connector. In the utility model, by pushing baffle inward, baffle and connecting shaft can rotate on hook, baffle rotates together with connecting shaft, compress spring in rotating process, and the elastic force of spring restores original position by reaction force to push baffle, to realize self-locking function.
Owner:XINZHENG DONGHAI FIRE PROTECTION TECH CO LTD

Paper pulp dispersing device for pulping degree measurement

The utility model belongs to the technical field of papermaking auxiliary equipment, and relates to a paper pulp dispersing device for measuring beating degree, which comprises a driving seat, a rotating shaft and a stirring rod, a driving motor is arranged in the driving seat and connected with the rotating shaft through a coupler, and the stirring rod is detachably mounted in the rotating shaft. An auxiliary locking device is arranged between the rotating shaft and the stirring rod, and a plurality of adjusting lap joint rods are arranged on the outer surface of the driving seat. Through the auxiliary locking device, the mounting stability of the stirring rod is ensured while the stirring rod is convenient to disassemble and assemble, and the lap joint mode of the stirring rod and different paper pulp containers is flexibly adjusted by matching with the adjusting lap joint rods arranged on the outer surface of the driving seat, so that the device can adapt to the paper pulp containers with different sizes; and the flexibility and universality of the device in different use scenes are improved.
Owner:ZHONGTIAN PAPER

High-temperature and high-pressure adhesion instrument

ActiveCN224286666USolve the problem of inconvenient removal of cup lidachieve connectionFlow propertiesUsing mechanical meansMechanical engineeringPhysics
The utility model discloses a high-temperature and high-pressure adhesion instrument, and belongs to the technical field of adhesion instruments. Comprising a base, the top of which is provided with a host assembly; a sliding groove is formed in the side wall of the adhesion cup, cup covers are detachably connected to the two ends of the adhesion cup, and clamping grooves are formed in the side walls of the cup covers; the clamping block is arranged on the inner side of the sliding groove in a sliding mode in the radial direction of the adhesion cup and is driven by external force to be connected with the clamping groove in a clamped mode; the rotary knob is rotatably arranged on the outer side of the adhesion cup and used for driving the clamping block to be matched with the clamping groove, the rotary knob is rotatably arranged on the outer side of the adhesion cup to drive the clamping block arranged on the side wall of the adhesion cup in a sliding mode to slide in the radial direction, the clamping block is clamped with the clamping groove formed in the outer side of the cup cover, and connection of the adhesion cup and the cup cover is achieved; therefore, the problem that the cup cover is inconvenient to disassemble when the adhesion cup is cleaned is effectively solved, and the effect that the cup cover and the adhesion cup are convenient to disassemble and clean is achieved.
Owner:QINGDAO XUSHENG PETROLEUM INSTR CO LTD

Test tube placement assembly and method of controlling the same

The application relates to a test tube placing assembly and a control method thereof, and belongs to the technical field of detection equipment. The test tube placing assembly comprises a test tube rack provided with a self-locking part and a jack for accommodating a sample test tube, and a socket assembly comprising a bottom plate, a socket main body, a self-locking driving device, a rotating shaft, a top rod and an elastic part. The socket main body is provided with a slot for inserting the test tube rack, the bottom of the slot is provided with a positioning hole corresponding to the position of the self-locking part, the rotating shaft is provided with a cam, the top rod is installed between the cam and the self-locking part, one end of the elastic part is abutted against the top rod, and the other end is abutted against the socket main body, so that the top rod has a tendency to move away from the self-locking part. The rotating shaft can be rotated to make the cam be located at a self-locking state position and a release state position. The test tube placing assembly is characterized in that the rotating shaft, the cam, the top rod and the elastic part are matched, a driving device such as a stepping motor is used, the self-locking function of placing the test tube rack on the socket main body is realized, and the test tube placing assembly has the advantages of simple structure and compact structure.
Owner:GUANGZHOU WEIYUAN MEDICAL INSTR CO LTD +5

Double-nut type high-temperature exhaust pipeline sliding support and locking method

ActiveCN117212556BEasily implement sliding functionsImplement sliding function
The application provides a double-nut type high-temperature exhaust pipeline sliding support and locking method, and belongs to the technical field of sliding supports. The sliding support comprises a sliding support assembly, a sliding groove, a fixing assembly, a limiting assembly and an elastic assembly. The sliding groove is arranged on the sliding support assembly. The fixing assembly is detachably arranged on the sliding groove. The fixing assembly comprises a bolt, a steel gasket, a first nut and a second nut. The steel gasket, the first nut and the second nut are movably arranged on the bolt in sequence along the axial direction of the bolt. When the pipeline is slightly shaken due to the self weight and ship vibration, the sliding support remains in a stationary state. When the pipeline is axially elongated due to heat, the sliding support can easily realize the sliding function. The double-nut self-locking function can prevent the nut from loosening and falling off. The stress borne by each part is far less than the allowable stress, so that the long-term use of the sliding support assembly can be ensured.
Owner:CHENGXI SHIPYARD

Self-locking structure for servo motor clamping jaw

ActiveCN224391162Uprevent fallingRealize self-locking functionGripping headsDrive shaftControl engineering
The utility model discloses a kind of self-locking structures for servo electric clamping jaw, including servo motor, the lower end of servo motor is provided with gear box, and the side of servo motor is located at the upper position of gear box and is provided with cylinder barrel, the upper end of cylinder barrel is provided with self-locking box, the side of self-locking box is equipped with clamping jaw structure, the inside of gear box is provided with first synchronous wheel, the first synchronous wheel is installed on the power shaft of servo motor, and the outside of first synchronous wheel is sleeved with synchronous belt, one end of synchronous belt is sleeved on synchronous wheel. The design is used for the clamping of automatic production line, without the case of self-locking, servo motor can be controlled to be disabled, clamping at any angle, when the workpiece needs to be self-locked, through the cooperation of driving shaft, first connecting rod and second connecting rod, the self-locking function is realized, and the reliable self-locking function can ensure that the clamping jaw maintains the grabbing state in the case of sudden situation, avoids material falling, and improves operation safety and reliability.
Owner:GUANGZHOU SM-POWER TRANSMISSION EQUIP CO LTD

A retractable smoke curtain

This application discloses a retractable smoke curtain, belonging to the technical field of smoke curtains. It includes a fixed frame with a telescopic mechanism inside. The telescopic mechanism includes a first telescopic section fixedly installed inside the fixed frame. A second telescopic section is slidably connected inside the first telescopic section. Both the first and second telescopic sections have two sets of slide rails inside, with sliders slidably connected to the slide rails. A first spring is installed at the top of each slider and is mounted on the top of the telescopic mechanism. The second telescopic section is slidably connected to the first telescopic section via the two sets of sliders located inside the first telescopic section. A screw is threadedly connected to the bottom of the first telescopic section below one set of sliders, and a stop block is rotatably connected to the top of the screw. An elastic limiting mechanism is provided on one side of the bottom of each set of first telescopic sections below one set of sliders. This application improves the flexibility and adaptability of smoke-blocking materials through the telescopic mechanism.
Owner:SHANGHAI KAISHEN FIRE FIGHTING EQUIP INSTALLATION CO LTD

Intelligent terminal key with self-locking function

ActiveCN224190844URealize self-locking functionReduce this processElectric switchesRubber ringKey pressing
The utility model discloses an intelligent terminal button with a self-locking function, which comprises a terminal main body and a button module, the button module comprises a button body and a spring, the button body comprises a cover body and a rod body which are connected with each other, the terminal main body is provided with a movable groove matched with the cover body, the terminal main body is connected with a self-locking sleeve used for locking the rod body, and the self-locking sleeve is connected with the spring. The self-locking sleeve is elastic and comprises an inner cavity communicated with the movable groove, the spring is arranged in the movable groove, the rod body penetrates through the spring and extends into the inner cavity of the self-locking sleeve, the rod body moves in the inner cavity of the self-locking sleeve, the rod body is matched with the self-locking sleeve, the two ends of the spring abut against the cover body and the inner wall of the bottom of the movable groove respectively, and the cover body moves in the movable groove. The key module has the beneficial effects that the key module realizes a self-locking function on the terminal main body, the procedure of sleeving a rubber ring is reduced, the rubber ring is omitted, the cost is reduced, and meanwhile, defective products caused by neglected mounting of the rubber ring by a machine are also solved.
Owner:ZHEJIANG NIKON ELECTRIC TECH CO LTD

Welding type recovery cross-linked cable straight joint

PendingCN121790788AWill not malfunctionrealization phenomenonSecuring/insulating coupling contact membersSoldered/welded conductive connections
The invention relates to the field of cable connection, in particular to a fusion welding type recovery cross-linked cable straight-through connector which solves the problems that the phenomenon of falling off or faults caused by unstable connection at the connector is avoided, and the functions of self-locking, water prevention and the like are achieved, two cables to be fused are arranged, and battery cells are arranged in the cables; and the insulation connecting part is composed of a plurality of layers, and the insulation connecting part is located on the outer wall of the split battery cell. According to the invention, two welded electric cores can form a structure consistent with that of an original electric core, so that a plurality of cables are ensured not to fail due to connection with the connectors after being connected pairwise, the actual production and transportation requirements are met, and after connection, through the arrangement of the first connector and the second connector, after the two cables are welded, the cables can be connected with each other, so that the production efficiency is improved. The outer wall of the cable is fixed, the self-locking function can be achieved, the sealing and water blocking functions are achieved at the same time, and the falling phenomenon caused by vibration is avoided.
Owner:HENAN YIZHILAI ELECTRIC POWER EQUIP CO LTD

Low-temperature electromagnetic valve machining clamp

The utility model relates to the field of electromagnetic valve machining, and discloses a low-temperature electromagnetic valve machining clamp which comprises a machining table, and supporting legs are fixedly connected to the four corners of the bottom of the machining table. The front side and the rear side of the top of the machining table are each provided with two sliding grooves, the front sliding grooves and the rear sliding grooves on the same side are distributed in a bilateral symmetry mode, the inner sides of the sliding grooves are slidably connected with sliding blocks in a clamped mode, the tops of the sliding blocks are fixedly connected with clamping plates, and the front clamping plates and the rear clamping plates on the same side extend oppositely. The two corners of the opposite sides of the tops of the left clamping plate and the right clamping plate are perpendicularly and fixedly connected with inner supporting columns. According to the electromagnetic valve clamping device, the electromagnetic valve can be centered and clamped through the clamping grooves in the clamping plates, external clamping is achieved, the inner wall of the electromagnetic valve can be supported through the inner supporting and supporting columns to be limited, internal clamping is achieved, and the adaptability of the internal and external combined clamping mode is higher.
Owner:DALIAN ZHONGQI GENERAL MASCH EQUIP CO LTD

Concealed linkage window opener for suspended sash window

The invention relates to the technical field of doors and windows, in particular to a concealed linkage window opener for a suspended sash window. Comprising a lower cross beam, a plurality of stand columns are arranged on the lower cross beam at intervals, an upper cross beam is arranged on the stand columns, a double-shaft motor and a plurality of first bearing seats are arranged in the lower cross beam, and the first bearing seats are arranged on the two sides of the double-shaft motor respectively. Rotating shafts are arranged on the two sides of the double-shaft motor through the first bearing seats, a plurality of first bevel gears are arranged on the rotating shafts on the two sides at intervals, a plurality of second bearing seats are arranged in the stand columns, lead screws are arranged in the stand columns and penetrate through the second bearing seats, and sliding blocks are arranged on the lead screws; connecting rods are arranged on the sliding blocks correspondingly, and second bevel gears are arranged at the bottoms of the lead screws correspondingly. The double-shaft motor drives the lead screw to drive the multiple sliding blocks to push the connecting rods to contract so that the window can be opened and closed, window sash self-locking and 90-degree opening can be achieved, all transmission components are hidden, and the cost and the failure rate are reduced.
Owner:刘建军

Anti-drop connector suitable for flywheel energy storage

ActiveCN224342666URealize secondary mechanical interlockingRealize self-locking functionCoupling contact membersElectrical resistance and conductanceFlywheel energy storage
This utility model discloses an anti-disconnection connector suitable for flywheel energy storage, relating to the field of conductive connector technology. It includes an electrode post and a plug. A protective cylinder is fixedly installed on the outside of the electrode post, and the plug can be inserted into the protective cylinder. Inside the plug, at least three conductive clamps are evenly arranged along its circumferential direction. These conductive clamps can move simultaneously in the radial and axial directions inside the plug and clamp onto the electrode post. The inner wall of each conductive clamp has an arc-shaped surface that matches the outer surface of the electrode post. The plug sidewall also has multiple radially movable ball-head pins. This utility model achieves secondary mechanical interlocking between the plug and the protective cylinder by having multiple conductive clamps contract to tightly hold the electrode post, and by having the ball-head pins radially pop out and engage with the grooves in the protective cylinder, ensuring connection stability. The arc-shaped surfaces of the conductive clamps matching the outer contour of the electrode post increase the effective conductive area and reduce contact resistance.
Owner:FUXIN POWER GENERATION CO LTD

Detection probe and consumable stock detection device

The utility model relates to the technical field of material management, in particular to a detection probe and a consumable stock detection device. The consumable stock detection device comprises a detection probe and a host which are electrically connected through a flexible dielectric medium. The detection probe comprises an inductive switch and an inductive consumable; the main body is detachably connected with the consumables; the main body and the cover body are matched to form an accommodating cavity, and the inductive switch is partially accommodated in the accommodating cavity. The detection probe structure provided by the utility model is high in reliability and relatively low in cost; the detection probe elastically clamps the consumables, so that the self-locking function is realized, and the disassembly is convenient; the detection probe is provided with the elastic ribs, so that the assembly difficulty between the detection probe and the consumables is reduced; meanwhile, the elastic ribs can absorb external vibration or impact, and the contact stability of the inductive switch and the consumables is maintained; the detection probe is electrically connected with the host through the flexible dielectric medium, so that the environmental adaptability is high.
Owner:SHENZHEN ZHIRUN YIDA TECHNOLOGY CO LTD

High speed pneumatic punch and control method thereof

PendingCN122500988AReduce energy consumptionReduce air source load
This invention discloses a high-speed pneumatic punch press and its control method, specifically relating to the field of metal stamping equipment. The press includes a frame, on which are fixedly connected an air tank, a first air valve, a pneumatic motor, a temporary storage tank, and another air valve. The pneumatic motor has an air inlet and an air outlet. An air supply pipe is fixedly connected between the air tank and the first air valve, and another air supply pipe is fixedly connected between the first air valve and the first air inlet. A return air pipe is fixedly connected between the temporary storage tank and the first air valve, and another return air pipe is fixedly connected between the first air valve and the first air outlet. A proportional pressure regulating valve is fixedly connected to the first air supply pipe. An output shaft is fixedly connected to the output end of the pneumatic motor. This invention achieves dual recovery of electrical energy and exhaust pressure by setting up a flywheel energy storage unit composed of a flywheel rotor and a flywheel stator, along with a temporary storage tank. This effectively reduces the unit stamping energy consumption and air source load of the equipment, enabling the device to achieve the same effect with less energy when applied to aerospace aluminum alloy forgings.
Owner:NINGBO CHENJI PRECISION MASCH CO LTD

Self-locking leg tube connector for photographic tripod

ActiveCN224497008UGuarantee stabilityensure safetyTripod (photography)Physics
This utility model relates to a self-locking leg connector for photography tripods, comprising a connector base with an mounting sleeve on its upper surface and a connecting rod inserted into the inner cavity of the mounting sleeve. The connecting rod has evenly distributed locking tongues with an arc-shaped bottom, each containing a compression spring. A corresponding insertion groove is opened on the inner wall of the mounting sleeve, into which the locking tongues are inserted. Pressing plates are evenly distributed on the surface of the mounting sleeve, with a compression rod installed on the inner side of the pressing plate at the corresponding insertion groove and inserted into the groove. When the connecting rod is inserted into the mounting sleeve, the locking tongues are compressed, the compression springs contract, and after reaching the insertion position, the springs return to their original position, pushing the locking tongues into the insertion grooves, achieving self-locking and a stable connection, ensuring the stability and safety of the photography tripod. For disassembly, pressing the pressing plate causes the compression rods to push the locking tongues out of the insertion grooves, allowing the connecting rods to be pulled out. Disassembly is simple and convenient, requiring no complex tools, improving operational efficiency and facilitating the assembly and disassembly of photography tripods.
Owner:DONGGUAN AOTONGBAO HARDWARE PRODUCTS CO LTD

Self-closing door closer

ActiveCN224300659Uavoid shakingPrevent being accidentally pushed awayBuilding braking devicesIndustrial engineeringPulley
The utility model relates to door closer technology field discloses a kind of self-locking door closers, including door seat and slide rail, the outer wall top of door seat is fixedly connected with shaft seat, the inner wall bottom of shaft seat is fixedly connected with pivot, the outer wall of pivot is rotatably connected with rotating plate, the top of rotating plate is fixedly connected with wheel shaft, the top of wheel shaft is rotatably connected with pulley, the top of slide rail is fixedly connected with two lock seats, the top of slide rail is fixedly connected with two pressure seats, the inner wall top of two pressure seats is fixedly connected with spring, the inner wall of two lock seats is slidably connected with slide axle. In the utility model, the action of left and right side inclined plane block in door opening and closing process in succession, so that pulley is locked in the specific position of slide rail when door is closed, the self-locking function of door closer is realized, so as to prevent door from shaking or being accidentally pushed open, guarantee the safety and privacy of space.
Owner:WENZHOU OUDE DOOR CONTROLLER SCI & TECH DEV CO LTD

Combined mutual inductor

The utility model provides a combined type mutual inductor which comprises a mutual inductor body, a plurality of installation supporting feet are installed at the bottom of the mutual inductor body, the installation supporting feet are symmetrically arranged, height adjusting assemblies are arranged at the bottoms of the installation supporting feet respectively, and each height adjusting assembly comprises a base block and a lifting sleeve. The base block is fixedly connected to the bottom of the mounting supporting leg, the lifting sleeve is movably connected to the surface of the base block in a sleeving mode, one end of the lifting sleeve is fixedly connected with an adjusting seat, and the end, away from the lifting sleeve, of the adjusting seat is rotationally connected with a mounting rotating plate; the height adjusting assemblies are arranged at the bottoms of the installation supporting legs, height adjusting processing can be independently conducted on the installation supporting legs according to different installation positions, then the horizontal degree of the mutual inductor body during installation is kept, the installation rotating plates are arranged, the installation rotating plates are rotated during installation, the installation hole grooves rotate along with the installation rotating plates, and therefore the mutual inductor body can be installed conveniently. The connecting piece is matched with the mounting hole, and mounting can be carried out on the premise that no connecting piece is used.
Owner:ZHEJIANG AIAO METAL MFG CO LTD

Multi-point supporting self-locking type lifting device

The utility model discloses a multi-point supporting self-locking type lifting device. According to the device, the multiple supporting assemblies are used for supporting the supporting plate, the supporting plate is used for bearing and supporting lifted objects, and uniform and stable stress is guaranteed through multi-point supporting; a left-handed screw rod sliding block is arranged on the left-handed screw rod, and a right-handed screw rod sliding block is arranged on the right-handed screw rod; according to the device, the distance between a left-handed screw rod sliding block and a right-handed screw rod sliding block in each supporting assembly is adjusted through rotation of a screw rod, and lifting and descending of a supporting plate are achieved; the self-locking function of the sliding blocks and the screw rods is achieved through friction force and a connecting structure of the left-handed lead screw sliding blocks and the left-handed screw rods and friction force and a connecting structure of the right-handed lead screw sliding blocks and the right-handed screw rods, the screw rods in the multiple sets of supporting units are matched, and when operation of the hand-cranking tool is stopped, due to the synergistic effect of the multiple sets of screw rods, the screw rods can be driven to rotate, so that the hand-cranking tool is convenient to operate. And all the screws can offset the moving trend of any single screw together, so that an integral self-locking mechanism is formed.
Owner:SHANXI FENXI HEAVY IND CO LTD

Circular screen self-locking structure

ActiveCN224419111URealize self-locking functionSolve installation problemsInterior spaceStructural engineering
The utility model relates to a kind of round screen self-locking structure, including round screen whole and equipment shell;Round screen whole is composed of COF structure round screen, plastic shell and debugging board.Liquid crystal is wrapped COF structure round screen by plastic shell side wrapping screen, and the recess for sticking firm COF structure round screen is provided in the wire arrangement position and is hollowed out;There is movable arch-like buckle outside, and the side of buckle close to screen has ridge, and the other side is smooth;Far from screen side is equipped with the structure of locking debugging board;Equipment shell hollow size is slightly larger than the actual size of plastic shell (except buckle position);When assembling, positioning is carried out through buckle, buckle is embedded in equipment shell, and equipment shell is clamped on ridge to realize self-locking;The structure solves the problem that COF structure round screen installation has no positioning reference and is easy to install deviation, and debugging board is difficult to install when in the limit of equipment internal space, with the advantages of accurate assembly, strong space adaptability etc.
Owner:HUBEI DANJIANGKOU RUNJING WATER IND CO LTD

Self-locking heavy-duty AGV used for glass transfer

This utility model discloses a self-locking heavy-duty AGV for glass transport, including an AGV chassis and a self-locking clamping device mounted on the AGV chassis. The self-locking clamping device comprises several clamping units evenly spaced along the length of the AGV chassis. Each clamping unit includes a pair of self-locking clamps arranged opposite each other along the width of the AGV chassis. The distance between the clamps is adjustable, and they cooperate to clamp and fix a piece of glass. This AGV not only has efficient transport capabilities but also ensures the stability and safety of the glass during transport. By employing self-locking technology, it can stably clamp large or heavy glass pieces, preventing shaking and slippage during handling, thereby effectively reducing the glass breakage rate. Simultaneously, this AGV also has heavy-duty capabilities, enabling the transport of multiple pieces of glass at once, significantly improving transport efficiency.
Owner:CHONGQING COLLEGE OF ELECTRONICS ENG

Lifting winch with self-locking function

ActiveCN224185762UAchieve normal lifting operationsimprove securityCleaning using toolsWinding mechanismsRatchetRotational axis
The utility model relates to the technical field of hoisting winches, and discloses a hoisting winch with a self-locking function, which comprises a device main body, a cleaning mechanism is arranged close to the upper end of one side of the device main body, the cleaning mechanism comprises a hairbrush, a sliding plate, two springs and two fixing columns, a clamping mechanism is arranged on one side of the device main body, and the clamping mechanism is arranged on the other side of the device main body. The clamping mechanism comprises a plurality of clamping blocks, a fixing seat, a plurality of pressure springs and a plurality of clamping grooves, a rotating shell is rotationally arranged on one side of the fixing seat, a mounting seat is rotationally arranged on one side of the rotating shell, and a self-locking mechanism is arranged in the device body. The self-locking mechanism comprises a rotating shaft, two screw rods, two ratchet wheels, two pawls, two fixing blocks, two rotating shafts and a motor. According to the winch self-locking device, self-locking of the winch is achieved through a ratchet wheel and a pawl in the self-locking mechanism, the cleaning mechanism can clean a steel cable outside the winch, and the clamping mechanism in the device body can clamp a rotating shaft in an emergency.
Owner:GAOTAI COUNTY HONGYUAN FLUOROSPAR CO LTD

Hinge self-locking structure

ActiveCN224621348URealize self-locking functionSimple and reliable structure
This utility model relates to the field of hinge technology and discloses a hinge self-locking structure, including a fixed page, a movable page, and a pivot. A first bushing is provided on the fixed page, and a second and third bushings are provided on the movable page. The pivot passes sequentially through the second, first, and third bushings. A first keyway is provided on the inner wall of the first bushing, and a second keyway is provided on the inner wall of the second bushing. A transmission key cooperating with the second keyway is provided at the first end of the pivot, and a stop is provided at the second end of the pivot. An elastic element is provided between the stop and the third bushing, and the elastic element exerts a force on the stop away from the third bushing. This hinge self-locking structure enables axial movement of the pivot when the movable page rotates relative to the fixed page to a set position. The transmission key is simultaneously located in the first and second keyways, thereby locking the movable page and the fixed page, achieving a self-locking function. Unlocking only requires triggering the pivot to reset.
Owner:WUXI HAIHE EQUIP TECH CO LTD