23results about How to "Eliminate shaking" patented technology

Frame reinforcing integrated type counter-pressure casting equipment comprises counter-pressure casting equipment, a left reinforcing frame, a right reinforcing frame and a connecting flange base, the counter-pressure casting equipment is formed by connecting a bottom plate, a middle plate, a movable plate and a top plate together through four large bars, a crucible furnace is located between the bottom plate and the middle plate, and a mold is located between the middle plate and the movable plate. The movable plate is connected to an oil cylinder on the top plate, and mold opening and closing are achieved through stretching and retracting of the oil cylinder. The left reinforcing frame and the right reinforcing frame are respectively connected with a connecting flange seat, and the connecting flange seat is fixed on a bottom plate and a top plate of the counter-pressure casting equipment. The rigidity of the device can be improved, shaking is eliminated, and the problems that a casting is pulled, a copper sleeve of a device platen is abraded aggravated, and a large bar lock nut is prone to loosening are solved. Meanwhile, complete standardized design is achieved, final assembly debugging is completed before delivery, the installation and debugging time is greatly shortened, and the delivery cost is saved.

A drop hammer impact testing device for anchor bolts or anchor cables includes a lifting mechanism, a main frame, a hammer-grabbing device, a guide structure, a connecting structure, an impact force transmission mechanism, a hammer body, and a lifting rod. The main frame has a top plate at its top and a bottom plate at its bottom. The guide structure is located within the main frame, and the lifting mechanism is located on the upper surface of the top plate. The output end of the lifting mechanism is connected to the hammer-grabbing device, and the hammer body is located at the bottom of the hammer-grabbing device. Both the hammer-grabbing device and the hammer body are slidably fitted with the guide structure. This drop hammer impact testing device for anchor bolts or anchor cables solves the problem that the testing of anchor bolt or anchor cable support materials in related technologies focuses on static load testing, resulting in a lack of means to test the quality of anchor bolt or anchor cable support materials under impact loads.

The embodiment of the invention provides a semiconductor wafer Mask ultra-high-cleanliness mute intelligent storage warehouse, and relates to the technical field of semiconductor manufacturing auxiliary equipment, the semiconductor wafer Mask ultra-high-cleanliness mute intelligent storage warehouse comprises a stacking station main body, a storage box body and a sliding guide mechanism, a storage cavity used for containing the storage box body is formed in the stacking station main body, and a high-efficiency air filter is arranged at the top of the storage cavity; the inner sides of the rims are in interference fit with flanges on the two sides of the I-shaped sliding rail, the magnitude of interference gradually changes in the length direction of the sliding rail, the storage box is of a double-layer hollow structure, a miniature constant-temperature and constant-humidity unit is installed on the inner wall of the box, and an intelligent monitoring module is further arranged on the stacking station body. And the intelligent monitoring module comprises a dust sensor arranged in the storage box body and a central controller arranged on the stacking station main body. The sliding mechanism has the effects of sliding stability, ultrahigh cleanliness and low noise.

This utility model discloses a miniature ball bearing for a cooling fan, comprising an outer ring, an inner ring, a cage, a dust cover, and rolling elements movably disposed between the outer and inner rings. Both the inner and outer peripheral walls of the outer ring and the inner ring have circumferentially formed grooves for the rolling elements to move. Both ends of the inner peripheral wall of the outer ring have circumferentially formed stepped grooves for installing the dust cover. The connections between the grooves of the inner ring and the outer peripheral wall of the inner ring, and between the grooves of the outer ring and the inner peripheral wall of the outer ring, have chamfered edges. A retaining spring is provided in the stepped groove for an interference fit with the stepped groove. The inner wall of the retaining spring abuts against the outer wall of the dust cover, while the outer peripheral wall of the dust cover has a clearance fit with the inner peripheral wall of the stepped groove. The curvature coefficient of the grooves of the outer ring is greater than that of the grooves of the inner ring. This utility model solves the problems of traditional miniature ball bearings, such as increased bearing ellipticity due to dust cover installation leading to out-of-tolerance bearing ellipticity, and assembly damage during rolling element installation leading to unqualified rolling element vibration during bearing operation.

The utility model discloses a gapless locking rotary damping structure, and relates to the technical field of mechanical hardware. Comprising a rotating seat, rear fork pipes are arranged at the two ends of the rotating seat, and rotating damping structures are arranged at the joints of the rear fork pipes and the rotating seat. Through matched compression of a double-step iron washer and a clearance plastic bushing in the rotary damping structure and threaded interlocking of a locking nut and a screw rod, no clearance and uniform damping are achieved when the rear fork pipe set rotates, and it is ensured that folding automatic positioning is accurate and stable; the knob screw is meshed with the stud of the rear fork pipe cap to form axial locking force, shaking in the using state is effectively eliminated, the limiting design of the linear clamping ring is matched, it is guaranteed that when the knob screw is separated from the stud, the knob screw and the rotating base are still kept connected and prevented from falling off, rapid unlocking can be achieved, the rear fork pipe can be folded, and the overall structure integrates high-rigidity fixing and convenient operation; equipment reliability and user experience are remarkably improved, and the use requirements of users are met.

The application relates to a multifunctional biped robot foot structure which can adapt to different working states, and the whole foot structure is designed in a functional modularization mode; when walking is needed, the foot structure can acquire the sole sensor information in real time and realize self-adaptive posture adjustment of the biped robot on uneven and smooth ground through two stages, the two stages include preliminary fine adjustment of anti-skid air cushions and two-side torsional springs and comprehensive adjustment of five toe joints and two side plates made by a pneumatic driving mechanism; when the biped robot is in a state needing fixed foot structure such as grabbing, a plurality of pneumatic driving devices are driven to lift the toes and the side plates, a vacuum generator is driven and the gas in an adaptive suction disc mechanism is extracted, so that the biped robot foot structure is firmly adsorbed on the ground. The application realizes the adaptability of the robot foot to the ground in different working states by utilizing the torsional spring characteristics and the pneumatic control technology and cooperatively controlling the toes, the side plates and other mechanisms.

The utility model relates to the technical field of motorcycle auto parts, in particular to a motorcycle windshield structure which comprises a connecting frame and at least one self-locking driving mechanism rotationally connected with the connecting frame, first connecting rods are rotationally connected to the two sides of the upper portion of the connecting frame, and second connecting rods are rotationally connected to the two sides of the lower portion of the connecting frame. The first connecting rod and the second connecting rod are rotationally connected with a moving frame and are arranged in parallel; the self-locking driving mechanism comprises a motor and a speed reducing mechanism rotationally connected with the motor, a driving shaft is fixedly arranged at the output end of the speed reducing mechanism, and through cooperation of the motor and the speed reducing mechanism, a first connecting rod on the single side of the motorcycle windshield structure is driven. The first connecting rod drives the other first connecting rod and the second connecting rod to achieve linkage, then the movable frame is driven to conduct height adjustment, and distortion of the connecting rods or gear damage caused by distortion of the connecting shaft and the driving shaft and uneven stress of the connecting rods are avoided.

This application discloses a push lawnmower, including a body, a leveling component, a body height adjustment component, a shift plate, a front wheel assembly, a rear wheel assembly, and a cutting component. The rear wheel assembly includes a rotating shaft and a pair of rear wheels. The two ends of the rotating shaft are connected to the rear wheels. The rotating shaft is connected to the body through two assembly points. The line connecting the two assembly points forms a first axis, and the straight line connecting the centers of the pair of rear wheels forms a second axis. The first axis and the second axis are not coaxial. The body height adjustment component drives the rear wheels to rotate around the first axis. The shift plate includes a main body and a support body. The main body is connected to the body, and the support body is provided with a leveling component for direct contact with the ground. When the body is upright, the rear wheels are tangent to the ground. In each position of the body height adjustment component, the angle β between the straight lines L formed by the contact points between the leveling component and the ground and the contact points between the rear wheels and the ground is an acute angle. This application solves the problem of poor standing stability of lawnmowers in the prior art.

The utility model provides a kind of head-mounted video recording module and multi-scene connecting structure, belong to head-mounted video recording equipment technical field, including ear clip, elastic connecting pipe, plug-in part, video recording module, plug-in positioning mechanism and elastic pressure contact mechanism, the modular assembly of video recording module is realized by double buckle structure of plug-in positioning mechanism and elastic pressure contact mechanism composition, so that in the cooperation guide plug-in strip accurate alignment of positioning slot and ear seat, utilize torsional spring drive's pressure buckle locking elastic pressure slot, realize firm connection;Not only applicable to binaural wearing, but also can be through the overturning of silica gel cover to adapt to the different width of glasses leg of glasses, effectively eliminate shaking, significantly improve the scene compatibility and wearing reliability of equipment;Elastic connecting pipe uses the composite pipe body of embedded elastic metal core, outer coating flexible silica gel layer, two ends connect ear clip, utilize self elastic restoring force to provide sustained clamping force, ensure that wearing is stable and comfortable.

The application provides a self-locking hydraulic jacking device and a use method thereof, and belongs to the technical field of heavy load lifting equipment. The hydraulic jacking unit is used for hydraulic lifting operation on the pressure bearing plate. After the pressure bearing plate is lifted to a preset height, the first lock body unit, the second lock body unit, the third lock body unit and the fourth lock body unit form a multiple interlocking mechanical safety bearing state, so as to provide mechanical locking protection independent of the power source for the hydraulic jacking unit, and the hydraulic system pressure maintaining is not needed. The inherent risk of low safety redundancy and dependence on system pressure maintaining in the prior art is effectively solved, and the safety guarantee is provided for various high-safety construction heavy load lifting operations including hanging basket jacking.

The utility model discloses a smart voice control card dealer mainly relates to the field of card dealer. Including base, casing, be equipped with first motor in the casing, the rear side of casing top is equipped with card store, the front side of casing is equipped with the card dealer mouth with card store intercommunication, one side of main part member is equipped with second motor, and the output of second motor is respectively transmission connection has the card dialing rubber roll and the card issuing rubber roll, and the fixed gear is fixedly connected with through a plurality of arc grooves and screw fixed connection in the bottom of base, and the fixed gear is connected with the overshoot reset tension spring between base, and is equipped with encoder assembly on first motor, and the rear side of main part member is equipped with voice control assembly. The utility model has the beneficial effect that can realize the card dealing of arbitrary angle, solve the problem of the irregularity of multiple player seats, and the rotation positioning precision is higher, and the transmission efficiency is high, can also realize the smooth single card, avoid the problem of multiple card, card, and simplify the operation process through voice control, is favorable for the use of popularization.

The utility model discloses a kind of photolithography dense array microlens fusion soft light myopia prevention lens, it includes lens main body, the lens main body inside is equipped with functional area, the functional area includes inside and is equipped with central optical correction area and photolithography supermicro multifunctional structure area, the photolithography supermicro multifunctional structure area is located central optical correction area outside setting, the photolithography supermicro multifunctional structure area outside is equipped with annular blank area, the photolithography supermicro multifunctional structure area includes inside annular microstructure area, middle arrangement spoke-like microstructure area and outside dense array microstructure array area, in the gap of photolithography supermicro lens, through nanometer grade photolithography process production dot matrix soft light structure area.The utility model has the advantages compared with prior art in that: 1, reduce the significant attenuation that appears with time elapsing to prevention and control effect;2, almost no outstanding comfort;3, multiple mechanism synergy, prevention and control effect maximization.

This case relates to a liftable screen workstation, including a screen assembly comprising a vertical support frame and a decorative panel snapped onto the outer layer of the support frame; at least four uprights are provided within the support frame; an embedded groove is provided on the decorative panel; a lifting mechanism is fixed between two of the uprights; a tabletop assembly comprising a desktop and a supporting structure; the supporting structure includes a supporting cantilever fixedly connected to the inside of the lifting mechanism; the supporting cantilever moves up and down under the drive of the lifting mechanism, causing the desktop to move up and down; wherein a protective shell assembly is provided on the embedded groove. In this liftable screen workstation, the lifting tabletop and screen assembly work together, and the optimization of the protective shell assembly and supporting structure allows the screen desk to create an independent workspace while ensuring load-bearing reliability; the built-in power supply system is equipped with a multi-zone socket module, avoiding the mess of external power strip cables that affect the tidiness of the desk.

The utility model discloses a kind of reel transmission structures, it is related to reel transmission technical field, including driving sprocket and driven sprocket, the driving sprocket and driven sprocket are arranged in parallel, driving sprocket and driven sprocket are tensioned and provided with synchronous belt, the side coaxial fixed with one reel of driving sprocket, the same side coaxial fixed with two reels of driven sprocket, the wheel rim of one reel and two reels is evenly distributed with pin column convex column, the upper level of one reel and two reels is provided with flow channel plate, the flow channel plate is fixed in machine tool workstation by bolt mounting mode. The utility model is ensured that product can be strictly conveyed according to preset path and position by the cooperation of pin column convex column and product round hole, realizes accurate step type conveying.

The invention provides a ball joint mechanism and a photographing holder adopting the ball joint structure, the ball joint mechanism comprises a ball body and a shell, a containing cavity extending in the axial direction is formed in the ball body, an adjusting block, an elastic piece and a ball are sequentially installed in the containing cavity, and the ball can be exposed to the outer surface of the ball body from an opening in the first end of the containing cavity; a curved surface seat is arranged at the inner bottom of the shell, the curved surface seat is provided with an inner concave surface matched with the ball, and a non-uniform gap with a deep center and a shallow edge is formed between the inner concave surface and the outer surface of the ball body; a ball handle is arranged on the ball body, an axial through hole communicated with the containing cavity is formed in the ball handle, an adjusting rod is installed in the axial through hole, the lower end of the adjusting rod is in threaded connection with an adjusting block, and the compression amount of the elastic piece is changed by operating the adjusting rod and the adjusting block. When the ball body rotates under the action of external force, rolling contact is formed between the balls and the inner concave surface of the curved-surface seat, so that the smoothness of rotation can be ensured, blockage is avoided, and a relatively large damping feeling is obtained.

The utility model relates to the technical field of hoisting equipment, in particular to hoisting equipment for loading and unloading port containers, which comprises a hoisting machine, a fixed frame, a hydraulic cylinder, a connecting plate, a rotating shaft and the like, two cantilevers are symmetrically installed on the left side and the right side of the hoisting machine, fixing frames are connected to the sides, away from each other, of the front cantilever and the rear cantilever of the hoisting machine, hydraulic cylinders are installed in the fixing frames, connecting plates are connected to piston rods of the hydraulic cylinders, and rotating shafts are rotationally connected to the sides, away from the hydraulic cylinders, of the connecting plates. The lifting machine is provided with the hydraulic cylinder, the connecting plate, the rotating shaft and the guide plate, and under the action of the connecting plate and the hydraulic cylinder, the lifting machine can be supported during shaking, so that shaking is quickly eliminated, a container can be more accurately unloaded at a specified position of a cargo hold, the requirement for readjusting the position is reduced, potential safety hazards are reduced, and the working efficiency is improved. And the time for waiting for the stability of the container can be shortened, so that the loading and unloading speed of the container is increased, and the operation efficiency of a port is improved.

The present application relates to the technical field of industrial special robots, and discloses a multi-directional visual coverage inspection robot, which comprises a mobile chassis, a horizontal rotation mechanism is arranged on the top of the mobile chassis, a pitching scanning mechanism is arranged above the horizontal rotation mechanism, and a multispectral visual sensor is arranged on the pitching scanning mechanism; the horizontal rotation mechanism comprises a rotary support and a rotary base fixedly connected to the top of the rotary support; the pitching scanning mechanism comprises an arc-shaped guide rail beam in an arch shape and a sliding shell slidingly arranged on the arc-shaped guide rail beam, both ends of the arc-shaped guide rail beam are fixedly connected to the top of the rotary base through mounting foot bases, and the multispectral visual sensor is mounted on the sliding shell. Through the composite motion of horizontal rotation and arch-shaped spanning sliding, complete visual coverage of the hemispherical space above the device is realized, and the problems of zenith blind area and cable winding of the traditional holder are solved.

The invention discloses an accessory with a replaceable lens bayonet, and the accessory comprises a lens and a camera device, and the lens comprises a male clamping ring, a lens signal terminal group, a positioning pin, and a limiting column. The camera equipment comprises a female clamping ring, a camera equipment signal terminal group, a positioning pin clamping hole, a floating block, a release button and an elastic anti-backlash structure. The male clamping ring is provided with at least one floating clamping jaw and a plurality of fixed clamping jaws, the number of the clamping jaws on the female clamping ring is equal to the sum of the number of the fixed clamping jaws and the number of the floating clamping jaws, and the fixed clamping jaws and the floating clamping jaws on the male clamping ring are buckled with the clamping jaws of the female clamping ring to achieve axial limiting. The floating clamping jaw is arranged between the two fixed clamping jaws, can stretch out and draw back in the direction perpendicular to the axis and is used for eliminating radial gaps and enhancing installation firmness. The lens signal terminal group is butted with the camera equipment signal terminal group to realize control and signal interaction; the technical problems that an existing replaceable lens is large in bayonet connection gap, insufficient in installation firmness, unstable in signal transmission and inconvenient to disassemble are solved.

This utility model proposes a suspended platform for bridges, comprising: a platform body, a swing arm, a damping wheel, and a spring rod. The platform body is suspended from the lower part of the bridge by steel cables. A guardrail is provided around the outer perimeter of the platform body, and a mounting base and an extension rod are provided on the guardrail. One end of the swing arm is hinged to the mounting base, and the damping wheel is mounted on the other end of the swing arm. One end of the spring rod is hinged to the end of the extension rod. This utility model, by setting a swing arm on the guardrail, presses the damping wheel against the bottom of the bridge under the action of the spring rod. When the platform body sways, the damping wheel rotates. The damper can resist the rotation of the damping wheel, converting kinetic energy into internal energy, allowing the platform body to quickly eliminate swaying. The swing arm's swing allows the damping wheel to adjust itself according to the curvature of the bridge bottom, adapting to different bridge types. The pressure of the damping wheel on the bridge is controlled by the spring rod to maintain appropriate pressure, preventing swaying while avoiding excessive pressure that could cause safety hazards.

The utility model relates to the technical field of a connecting rod bushing rotation wear test device, and solves the problems that a bushing easily shakes on the surface of a rotating rod due to centrifugal force generated by rotation, a structure is lacked for limiting installation of the bushing, and the wear test accuracy is prevented from being influenced. The device comprises a workbench, a driving assembly is fixedly connected to the top surface of the workbench, a polishing structure is arranged in the workbench, a magnetic suction pad is fixed to the position, adjacent to the polishing structure, of the top surface of the workbench, and a detachable protective cover is connected to the top surface of the magnetic suction pad in a magnetic suction mode. The surface of the workbench is fixedly connected with a frame, the frame is arranged on the top face of the workbench in a striding mode and fixes detection equipment, the driving assembly comprises a driving motor, a mounting rod, an annular air bag, an extrusion plate and an air inlet one-way valve, the driving motor is fixed to the top face of the workbench, the output end of the driving motor is connected with the mounting rod, and the annular air bag is fixed to the surface of the mounting rod. Multiple extrusion plates are distributed on the outer surface of the air bag in an annular array.

This utility model relates to the field of diamond grinding and processing technology, and in particular to a fixture for diamond grinding and processing. It solves the problem that in the prior art, due to the uneven surface of diamond tools, traditional fixtures are difficult to use for positioning and clamping, making it difficult to achieve a secure hold, leading to tool wobbling during grinding and affecting processing quality. A fixture for diamond grinding and processing includes a processing table, a support base fixedly mounted on the top of the processing table, a rotating component fixedly mounted on the top of the support base, and a positioning component fixedly mounted on the top of the rotating component. This utility model uses a first cylinder and a second cylinder to drive the fixture assembly with an elastic buffer structure. Utilizing a telescopic rod, a return spring, and rubber chucks, it can adapt to the uneven surface of the diamond grinding tool, achieving a tight fit at multiple contact points, thus solving the problem of unstable fixation caused by poor surface adaptability in traditional fixtures.

This utility model discloses an aluminum profile that is easy to quickly assemble, belonging to the technical field of aluminum profiles. The easy-to-assemble aluminum profile includes a first aluminum square tube and a second aluminum square tube, which are fixedly connected by a connecting member. A connector is fixedly connected to the connecting member, and a telescopic column is movably installed on the connector. A fixing rod is fixedly connected to the side of the telescopic column. In use, after the connector of the connecting member is connected to the first and second aluminum square tubes respectively, the fixing rod slides into the positioning rubber ring, making the aluminum profile easy to quickly assemble. Furthermore, the fixing structure is located inside the aluminum profile, preventing personnel from touching it again, thus improving the stability and safety of the connection structure. When the connector shakes within the first and second aluminum square tubes, the fixing rod moves outward, pressing against the inner walls of the first and second aluminum square tubes, thereby eliminating the shaking of the connector and improving ease of use.

The utility model discloses a water pollution control water surface floating object fishing device, including the collecting jar, the top intercommunication of collecting jar has the bellows, the top fixedly connected with the connecting ring of bellows, the connecting ring is lower than water level height, the bellows has elasticity, the bellows can change the height of connecting ring through the mode of contraction or expansion, the top of connecting ring is provided with transmission structure, transmission structure can control connecting ring to go up and down, transmission structure includes the transmission motor of setting at the top of connecting ring, the output fixedly connected with the shuttle screw of transmission motor, the surface of connecting ring is equipped in the shuttle screw and is connected with the shuttle screw screw thread connection. The utility model discloses through the elastic expansion and transmission structure control connecting ring of bellows to go up and down, make the collecting mouth always lower than water surface and can dynamic change liquid level difference, avoid the tension loss of traditional fixed device because of the water level change, improve fishing stability significantly.