6270results about How to "Play a limiting role" patented technology

The invention discloses a safe self-destroying medical injector, which comprises the following parts: hollow cylinder, snap coil, needle seat and core bar, wherein the plug is assembled in the core bar head; a coil of flute is set in the head of cylinder; the boss is set on the top of core bar with upper round boss and lower round boss under the boss; the easy-breakpoint is set under the lower round boss; the needle seat is composed of separable conical seat and support seat with an 'O' rubber ring between the excircle of conical seat bulk and cylinder; two through-grooves of central symmetry are set under the conical seat, which sets two bosses of central symmetry between two through-grooves; the boss snaps the flute on the cylinder; the flute is set on the inner hole bottom of conical seat.

The invention discloses a winding reel for textile cloth, which comprises a reel body, a groove is opened on the top of the reel body, and a cover plate is fixedly connected to the top of the left side of the inner chamber of the groove, and a cover plate is fixedly connected to the top of the groove. The bottom of the left side of the inner cavity is fixedly connected with a housing, the inner cavity of the housing is provided with a limiting plate, the left side of the limiting plate is fixedly connected with a spring, and the left side of the spring is connected to the left side of the inner wall of the groove. Fixed connection. The present invention is provided with a reel body, a cover plate, a groove, a second anti-slip pad, a baffle plate, a rotating shaft, a driving lever, an opening, a casing, a spring, a limit plate, a telescopic plate, a top plate, a first anti-slip pad and a through hole. The combined use of the textile cloth solves the problem that the existing textile cloth reel cannot fix one end of the cloth. The textile cloth reel has the advantage of being able to fix one end of the textile cloth, which is convenient for the user. The use improves the practicability of the existing winding drum for textile cloth, and is worth popularizing.

The invention relates to a viscous damper with an axial spacing device, which comprises a left spherical hinge seat, a piston rod, a piston, a damping cylinder body, a balancing bar, a right spherical hinge seat, damping medium, a combined disk spring, a spacing cylinder body, a pressure ring A, and a pressure ring B. The spacing cylinder body is arranged between the damping cylinder body and the right spherical hinge seat, internal threads are arranged at two ends of the spacing cylinder body, the left end of the spacing cylinder body is connected with the damping cylinder body via the pressure ring A, the right end of the spacing cylinder body is connected with the right spherical hinge seat via the pressure ring B, the length of the balancing bar is extended into the spacing cylinder body, a threaded small circular cylinder is arranged at the right end of the balancing bar, and the combined disk spring is installed on the small circular cylinder. Compared with the prior art, the inventive viscous damper can meet the technical requirements on dynamic energy dissipation for shock resistance, and meet the technical requirements on static load and excessive displacement limit.

The invention discloses a shock-resistant petroleum pipeline fixing base. The shock-resistant petroleum pipeline fixing base comprises a base body and a supporting seat which is located above the base body. A groove is formed in the side wall of the base body. The shock-resistant petroleum pipeline fixing base further comprises an adjusting screw rod arranged in the groove, at least three holes are formed in the upper surface of the base body, and the lower ends of the holes are communicated with the groove. The shock-resistant petroleum pipeline fixing base further comprises racks fixed at the bottom of the supporting seat. The shock-resistant petroleum pipeline fixing base further comprises gears which are sequentially fixed on the adjusting screw rod, and the gears are meshed with rack bodies on the racks. The shock-resistant petroleum pipeline fixing base further comprises elastic devices arranged on the two sides of the upper surface of the base body, one ends of the elastic devices are connected with the upper surface of the base body, and the other ends of the elastic devices are connected with the lower surface of the supporting seat. A semicircular groove is formed in the upper surface of the supporting seat. The shock-resistant petroleum pipeline fixing base further comprises a petroleum pipeline arranged in the semicircular groove. According to the shock-resistant petroleum pipeline fixing base, due to the arrangement of the racks and the adjusting screw rod, the height of the base body can be adjusted; the elastic devices with one ends connected with the upper surface of the base body and the other ends connected with the lower surface of the supporting seat achieve a certain damping effect on the base body.

The invention relates to a full automatic bearing assembly machine, a conveying device of an inner ring and an outer ring, a detecting device of the inner ring and the outer ring, a storing device of the inner ring and the outer ring, a closing device of the inner ring and the outer ring, an assembly device and a control device are sequentially arranged on the upper surface of a frame according to the processing sequence, a first shift sliding block is arranged on a linear guide track in the frame, a shift cylinder is fixed on the first shift sliding block, a telescopic rod is fixedly connected with the frame, curved mounting plates are respectively connected at the front and the back of a guide pole of a two-way cylinder which is fixed above the shift cylinder, the two curved mounting plates are respectively fixedly connected with an outer ring retainer plate and an inner ring retainer plate on the upper surface of the frame, a product shift cylinder is arranged in the position which corresponds to the assembly device in the frame, the product shift cylinder is fixed on a support above the second shift sliding block, the telescopic rod is fixedly connected with a product retainer plate on the upper surface of the frame, and the second shift sliding block is mounted on the linear guide track on the frame and connected with the shift cylinder via a connecting rod. The full automatic bearing assembly machine has reasonable structure, small volume, good running synchronization and high efficiency.

The invention discloses a viscous damping limiting method with a limiting device; the limiting device is arranged between a left ear ring and a right ear ring at one side of a conventional viscous damper; the viscous damper is limited through the limiting device when the static load deformation thereof exceeds the design stroke; the limiting device is in an elastic rubber block structure; and the elastic rubber block structure is connected with a piston rod at one end of the viscous damper, and performs the limiting function through the compression of the elastic rubber block when the static load deformation of the viscous damper exceeds the design stroke. The invention has the effects of improving the dynamic response to the structure and generating the limit resistance to the excessive displacement of the structure. Compared with the prior art, the invention has simple structure, and saves cost and installation space.

The invention relates to the technical field of battery lamination, particularly to an integrated cell laminating machine and a cell laminating method. The integrated cell laminating machine comprises a laminating station, wherein the laminating station comprises a rotary plate, a rotary plate rotating apparatus arranged below the rotary plate for driving the rotary plate to rotate, and multiple laminating apparatuses uniformly arranged on the rotary plate for performing lamination; each laminating apparatus comprises a laminating rotary platform, a laminating power mechanism for driving the laminating rotary platform to swing in a vertical plane, and a first attraction mechanism and a second attraction mechanism which are symmetrically arranged on the two sides of the laminating rotary platform for attracting and driving a positive plate and a negative plate to swing in a vertical plane, and a diaphragm material-releasing mechanism mounted above the laminating rotary platform for supplying diaphragms, wherein each laminating power mechanism is positioned at the bottom of the corresponding laminating rotary platform; and the swinging track of the laminating rotary platform is externally tangent with the swinging track of the corresponding first attraction mechanism and second attraction mechanism. The integrated cell laminating machine has high laminating efficiency, high laminating precision and good laminating quality.

The invention discloses a mining machine damping base. The mining machine damping base comprises a pedestal. The top of an inner cavity of the pedestal is movably connected with a connecting plate. The bottom of the connecting plate is connected with a supporting rod, and the outer surface of the supporting rod is sleeved with a concave stopping block. The bottom of the concave stopping block is movably connected with a limiting spring. A limiting block is installed at the bottom of the supporting rod. A first supporting plate and a second supporting plate are installed in the inner cavity of the pedestal. Supporting bases are installed at the two sides of the top of the second supporting plate. The outer surface of each supporting base is connected with a buffer spring in a sleeved mode. The tops of the buffer springs are movably connected with the bottom of the first supporting plate. According to the mining machine damping base, due to the fact that the supporting rod, the concave stopping block, the limiting spring and the limiting block are arranged and matched for use, the supporting rod can be stressed to achieve downward pressing when a mining machine is vibrated, and the concave stopping block can be driven to press the limiting spring downwards; and through the limiting spring, the concave stopping block can be driven to achieve fast resetting, and overall vibration of the mining machine can be effectively reduced.

The invention discloses a rubbish recycling treatment device. The rubbish recycling treatment device comprises a shell body, the midpoint position of the top of the shell body is provided with a material feeding mouth, the positions, corresponding to the material feeding mouth, of the top of the shell body are fixedly connected with material feeding baffles, and the positions, located on the leftside and the right side of the material feeding mouth, at the top of the inner wall of the shell body are both fixedly connected with arc-shaped concave blocks. According to the rubbish recycling treatment device, by means of mutual coordination of the arc-shaped concave blocks, smashing teeth, a smashing motor, a smashing rotating shaft, a smashing gear, a squeezing box, a triangular block, firstfilter plates, vibrators, ultraviolet sterilizing lamps, cutting motors, cutting rotating shafts, cutting blades, a threaded rod, a driven bevel gear, a forward and reverse motor, a forward and reverse rotating shaft, a driving bevel gear, a threaded sleeve, a first stretching and contracting rod, a fixed plate, a pulverizing wheel and a supporting spring, the function that the rubbish treatmenteffect is good is achieved, solid-liquid separation can be effectively performed on rubbish, the situation that the rubbish breeds germs and threatens health of staff is avoided, and subsequent rubbish incineration operations are greatly facilitated.

The invention discloses a deep foundation pit supporting structure, and relates to the technical filed of foundation pit excavation engineering. According to the key points of the technical scheme, the deep foundation pit supporting structure comprises a side plate, a bottom plate, a supporting rod, two supporting bases, first inserted-connection anchoring rods, second inserted-connection anchoring rods and fixing anchoring rods; the two supporting bases are hinged to the two sides of the supporting rod correspondingly and fixedly mounted on the side plate and the bottom plate, mounting holesare formed in the side plate and the bottom plate correspondingly, and the first inserted-connection anchoring rods and the second inserted-connection anchoring rods each comprise a hollow body, a threaded rod, a driving disc and a plurality of inserted-connection plates slidably connected to the circumferential side wall of the driving disc; sliding grooves corresponding to the inserted-connection plates in an one-to-one mode are formed in the circumferential side wall of each body, the inserted-connection plates are slidably connected into the sliding grooves in an inserted mode through thedriving discs, and the first inserted-connection anchoring rods and the second inserted-connection anchoring rods are mounted on the side plate and the bottom plate correspondingly. A deep foundationpit is supported through the deep foundation pit supporting structure, and thus the purposes of improving the construction quality, the firm degree of the supporting structure and the stability are achieved.

The invention relates to an automatic positioning, grinding and correcting machining die for a hub of an electric automobile. The die comprises a supporting base plate, a rotating device, a fixing device, a clamping device, a drilling device and a correcting device, wherein the rotating device is arranged on the top of the supporting base plate, a fixing device is arranged at the top of the rotating device, the clamping device is connected to the supporting base plate, the drilling device is arranged on the clamping device, and the correcting device is arranged on the left side of the front end of the supporting base plate. According to the die, the problems that when some existing plants carry out valve hole drilling and flatness detecting on the hub of the electric automobile, the quality of a hub is affected due to the facts that the hub cannot be fixed aiming at the structure of the hub, deviation of positioning of the hub can occur, the hub is not fixed firmly, deviation can occurwhen the hub is controlled to rotate, valve holes are ground manually, and errors occur when a tire seat of the hub is detected can be solved.

The invention provides an integrated dynamic weighing system for rectifying illegal driving. The system comprises an integrated weighing platform used for bearing weighed vehicles which drive by, six perpendicular force sensors used for detecting perpendicular force applied on the integrated weighing platform, two horizontal force (pulling force / pressure) sensors used for detecting horizontal force applied on the integrated weighing platform, and a data acquisition controller used for processing weighing data. By installing the horizontal force (pulling force / pressure) sensors on a pull rod stop device and through the data acquisition controller for processing signals detected by the pulling force sensors and a weighing sensor, cheating vehicles are identified and final weight values is corrected. Cheating behaviors such as jumping pounds, S shape, snub and the like are inhibited effectively. Thus, vehicle weighing accuracy is raised. The invention provides an integrated dynamic weighing method for rectifying illegal driving. According to the method, vehicle weight is calculated by difference, axial position computing method and integral axis group weight algorithm.

The invention discloses an FRP (Fiber Reinforced Plastic) pipe confined cement based composite material reinforced pier column structure applied to reinforcement of pier columns with all structures. The FRP pipe confined cement based composite material reinforced pier column structure comprises a pier column, a fiber reinforced composite material base arranged at the bottom of the pier column, a fiber reinforced composite material pipe arranged around the pier column, a limiter fixing the position of the fiber reinforced composite material pipe, and an engineering cement based composite material filling a gap between the fiber reinforced composite material pipe and the pier column. The advantages of the fiber reinforced composite material base, the fiber reinforced composite material pipe, the engineering cement based composite material and fiber grid meshes are integrated and can be fully played, the excellent performance of a single material can be greatly improved under the action of mutual adhesion of the fiber reinforced composite material base, the fiber reinforced composite material pipe, the engineering cement based composite material and the fiber grid meshes, and the bearing capacity, the erosion resistibility, the anti-seismic property, the ductility, the fatigue resistance and the durability of the pier column structure are effectively improved.

The invention relates to an adjusting valve capable of adjusting fire linearly. The adjusting valve comprises a valve body; the valve body is provided with a valve cavity defined by a valve wall; the valve wall is provided with an air inlet hole and at least one air outlet hole; the adjusting valve is characterized in that outlets of all the air outlet holes formed in the inner wall of the valve cavity are arranged in the same plane, and a moving part is matched with the outlet of each air outlet hole in a sealing way; each moving part is provided with a strip-shaped hole communicated with the valve cavity of the valve body; when the moving parts slide, the strip-shaped holes synchronously slide relative to the outlets of the air outlet holes formed in the inner wall of the valve cavity along the striking direction of the strip-shaped holes, so that the gas flow rate in the corresponding air outlet holes can gradually change; furthermore, each moving part is also connected with a driving device. Compared with the prior art, the adjusting valve has the advantages that the adjusting valve is simple in structure; when the adjusting valve is used, the driving devices are only needed to be rotated, and the valve body can slide in the plane formed by the outlets on the inner wall of the valve cavity by the strip-shaped holes formed in the moving parts, so that the sectional areas of the outlets on the inner wall of the valve cavity can be changed, and the aim of controlling the flow rate linearly can be achieved.

The invention discloses a mechanical clamping device with magneto-rheological fluid shock absorption, which includes a base, the upper end of the base is fixedly connected with baffle plates symmetrically on both sides, and a circular card slot is provided on one side of the outer wall of the baffle plate , and a circular block is arranged in the circular card slot, a lead screw is connected between the two circular blocks, and the middle outer wall of the lead screw is sleeved with a rotating block, and the outer walls of both ends of the lead screw are A clamping plate is socketed, and the clamping plate is threadedly connected with the lead screw. The bottom of the clamping plate is provided with a slider, and the upper end of the base is provided with a chute corresponding to the slider. The inner wall of the baffle is a A sleeve is fixedly connected to the side, and the inner cavity of the sleeve is filled with magnetorheological fluid. The inner wall of the sleeve is provided with a piston block, and one end of the piston block is connected with a support rod. The invention is simple in structure, easy to operate, has better stability, and keeps the clamping force constant within a certain range at the same time, avoiding damage to the workpiece.

The invention relates to an injection-molding mould rotary-type-core de-molding mechanism comprising upper and lower doubling plates. A sprue bush is arranged in the upper doubling plate. A fixed mold plate is arranged below the upper doubling plate. A fixed mold core is arranged in the fixed mold. Mold feet are arranged on the lower doubling plate. A bearing plate is arranged on the mold feet. A moving mold plate is arranged on the bearing plate. A moving mold core is arranged in the moving mold. Injection-molded threaded plastic parts are arranged among the moving mold core, the fixed mold core, the fixed mold plate, and the moving mold plate. Rotation-stopping ribs are provided on the plastic parts. The mechanism is characterized in that a straight rack is arranged below the upper doubling plate. A baffle is arranged on one side of the lower doubling plate. A gear shaft is arranged in the baffle and mold feet. A transmission gear and a large bevel gear are arranged on the gear shaft. The straight rack is engaged with the transmission gear. A driving shaft is arranged in the bearing plate. A small bevel gear and a driving gear are arranged on the driving shaft. The small bevel gear is engaged with the large bevel gear. A driven shaft is arranged below the moving mold core. A driven gear is arranged on the driven shaft. The driven gear is engaged with the driving gear.

The invention discloses a rust removal device of an artware. The rust removal device comprises a box body; a first partition board and a second partition board are arranged inside the box body correspondingly, the outer side faces of the first partition board and the second partition board are fixedly connected with the inner side wall of the box body correspondingly, the left side and the right side of the inner bottom wall of the box body are fixedly connected with first driving motors correspondingly, and rotating rods are fixedly connected to the top ends of the output shafts of the two first driving motors correspondingly, and the top ends of the two rotating rods penetrate through and extend to the upper part of the first partition board. According to the device, an acid washing liquid is used for reacting with rusty chips on the artware, so that the rust chips on the artware can fall off conveniently, and cleaning water can be used for washing the rust chips and the acid washingliquid on the artware; and two electromagnetic valves are controlled, so that the washing water is closed when the acid washing liquid is needed, and the acid washing liquid is closed when the washing water is used; and the purposes of economical using the acid washing liquid and the washing water are effectively achieved.

The invention discloses an X-ray electronic device detection system which comprises a case, a two-dimensional moving worktable arranged in the case, an X-axis stepping motor and a Y-axis stepping motor which drive the two-dimensional moving worktable to move, an X-ray generator arranged below the two-dimensional moving worktable, an X-ray image intensifier arranged above the two-dimensional moving worktable, wherein the two-dimensional moving worktable mainly consists of a bearing sliding plate, a movable table rack, a longitudinal sliding rail, a longitudinal belt, a transverse sliding rail, a transverse belt and a fixing frame; a movable table rack moving and limiting device mainly consists of two metal proximity sensors, a metal sheet and a controller. With the adoption of a bearing sliding plate moving and limiting device and the movable table rack moving and limiting device, movement of the worktable is limited, so that the machine is safe and reliable in operation, and the service lives of the belts and the stepping motors are prolonged.

The invention discloses a power conversion device. The power conversion device comprises a device base. A protection casing body is arranged on the device base. A processor is arranged on one side of the protection casing body. One end of the protection casing body is provided with a liquid inlet, a liquid outlet and an inlet base. The other end of the protection casing body is provided with an outlet base. The inlet base and the outlet base are electrically connected with a conversion box arranged in the protection casing body. The lower part of the conversion box is connected with a slide base through a group of vertical damping springs. Both ends of the slide base are provided with lateral damping springs. A group of semiconductor cooling plates and a group of fans are arranged in the protection casing body. A serpentine heat exchange tube is arranged on the surface of the conversion box. The power conversion device has the advantages of easy and labor-saving movement, flexible positioning and reliable fixation, is provided with water cooling and air cooling, and has a good damping effect. The conversion box is prevented from being damaged by bumping. The service life of the device is prolonged. The failure rate is reduced.

The invention relates to a waste fiber and product pre-treatment system, and belongs to the technical field of wire rod machining. The waste fiber and product pre-treatment system comprises a rack, a hopper, a material pressing roller, wire feeding wheels, a power driving mechanism and a compression compaction machine; the hopper is located on the rack, one end of the hopper is provided with a lifting arm, and the other end of the hopper is located in front of the material pressing roller, and the hopper supplies materials to the material pressing roller; the wire feeding wheels comprise an upper wire feeding wheel and a lower wire feeding wheel, and the upper wire feeding wheel and the lower wire feeding wheel are both located behind the material pressing roller and connected though a conveying belt; the power driving mechanism comprises a motor, an eccentric gear, a transmission belt, a knife rest, a fixed cutter and a movable cutter; and the compression compaction machine is located behind the movable cutter. The waste fiber and product pre-treatment system is applied to cutting pre-treatment of waste like waste silks, and has the beneficial effects of being less in energy dissipation, high in efficiency and the like.

The invention relates to an LED light bulb soldering machine, which comprises a machine frame, a power transmission device, a bulb-delivering device, a transmission wire device and a bulb wire connecting device; wherein, the power transmission device is arranged on the machine frame; the bulb-delivering device, the transmission wire device and the bulb wire connecting device are driven by the power transmission device, and are arranged in sequence along the welding travel direction of the LED light bulbs; the bulb-delivering device comprises a bulb-delivering mechanism, a bulb pin reshaping mechanism and a bulb inspecting mechanism, which are driven by the power transmission device and are arranged in sequence along the delivering direction of the LED light bulbs; the transmission wire device comprises a delivering wire mechanism, a wire-cutting mechanism and a wire stripping mechanism, which are arranged in sequence along the direction of leads, and are driven by the power transmission device; the bulb wire welding wire comprises a welding mechanism and a complete thermal shrinkage pipe mechanism, which are arranged in sequence along the delivering direction of the LED light bulbs and are driven by a force transmission device. The invention has substantial characteristics and remarkable improvements: the transmission wire operates smoothly and accurately; the clamping wire isreliable; the tinning quantity on the wire is uniform and stable; the efficiency of the transmission pipe is high; the coating effect on the plastic pipes is good; and the cylinder is used for controlling the operation of the clutch.

The invention relates to an automatic installing robot of an energy-saving wall material light partition plate. The automatic installing robot of the energy-saving wall material light partition platecomprises a walking support plate, walking wheels, a lifting device, limiting devices, a filling device and an aligning mechanism. The bottom of the walking support plate is symmetrically provided with the walking wheels. The middle of the walking support plate is provided with a support sliding chute. The right end of the walking support plate is provided with a push sliding chute. The filling device is installed at the top of the right end of the walking support plate. The lifting device is installed at the top of the left end of the walking support plate. One limiting device is distributedon each of the front and rear ends of the lifting device. The limiting devices are installed at the top of the left end of the walking support plate. The top of the front end of the walking support plate is provided with the aligning mechanism. The automatic installing robot is capable of solving existing problems that while a current light partition plate is installed, the partition plate needs to be artificially lifted, a position of the partition plate is changed while the partition plate is lifted, the partition plate is damaged while the partition plate is lifted, a wood wedge cannot be automatically filled, the partition plate can be driven to be moved by filling the wood wedge and the like.

The invention provides a shaft part cutting and / or grinding processing clamp and a processing method thereof. The clamp comprises a clamping disc, an upper clamping block and a lower clamping block, a part through hole is arranged in the middle of the clamping disc, the upper clamping block and the lower clamping block are mounted in a same radial direction of the clamping disc respectively and can be in linear feeding movement in the radial direction of the clamping disc, a limiting device is connected on the upper clamping block and the lower clamping block respectively and can limit position of the upper clamping block or the lower clamping block, a V-shaped opening is arranged on each of the upper clamping block and the lower clamping block, and the openings of the upper clamping block and the lower clamping block are arranged oppositely. The processing method utilizes the clamp, so that perfect circle direction or eccentricity of a part can be conveniently adjusted within an allowable range of the clamp, processing accuracy can be guaranteed within a dimensional tolerance range, and different processing condition requirements can be met. The shaft part cutting and / or grinding processing clamp is simple in structure, wide in application range and capable of meeting needs of processing of outer circles or inner circles of various shaft parts, and has good application prospect.

The invention discloses a friction pendulum support equipped with annular steel plates. The friction pendulum support comprises upper anchoring rods, an upper support plate, high-strength bolts, a ball crown, an upper wear-resisting plate, the annular steel plates, a lower wear-resisting plate, a lower support plate, lower anchoring rods and a sliding surface, wherein the upper support plate and the upper wear-resisting plate are in cylindrical surface contact; the lower support plate and the lower wear-resisting plate are in cylindrical surface contact; the ball crown is in spherical surface contact with the upper support plate and the lower support plate, the upper part of the ball crown is hinged with the upper wear-resisting plate, the annular steel plates are mounted between the upper support plate and the lower support plate, the upper ends of the annular steel plates are anchored at the bottom of the upper support plate by the high-strength bolts, and the lower ends of the annular steel plates are anchored at the top of the lower support plate by the high-strength bolts. The friction pendulum support can provide an additional damping ratio for the structure, change the natural vibration period of the upper structure, reduce the structure earthquake response, limit relative displacement between the upper structure and the lower structure and finally prevent the upper part and the lower part from being separated, so that the upper structure cannot be overturned.

The present invention discloses a linear oscillation motor for a direct drive pump based on selfshield characteristic of Halbach array, which comprises the following components: a cylindrical outer stator, an inner rotor, permanent magnets, a supporting shaft, a coil winding, a linear bearing, resonance springs and an end cap. The inner rotor is provided in the outer stator. The inner wall of theouter stator is circumferentially provided with coil winding grooves. The inner rotor can perform oscillation motion in the outer stator. The outer wall of the inner rotor is provided with permanent magnets which are arranged according to a Halbach array arrangement mode. The inner part of the inner rotor is provided with the supporting shaft. Two ends of the supporting shaft are fixed with two ends of the outer stator through end caps. The linear bearing and two resonance springs are sleeved on the supporting shaft. The two resonance springs are provided at two ends of the linear bearing. The resonance springs and the linear bearing are relatively fixed with the inner rotor. After one end of the inner rotor passes through the end cap at the same end, connection with an outer executing mechanism through a spherical hinge joint. The linear oscillation motor has the following advantages: large output force in an axial direction, high utilization rate and compact integral structure.

The invention discloses a welding device for pipeline sealing connection. The welding device for pipeline sealing connection comprises a base, a locating plate, a rotating mechanism, a welding mechanism and clamping and locating mechanisms. The base is connected with the locating plate through a stand column and a threaded rod. First motors are arranged at the top end of the threaded rod, and a lifting plate is connected between the stand column and the threaded rod in a moving mode. The rotating mechanism is connected to the lifting plate in a rotating mode, and the welding mechanism is connected to the rotating mechanism. A lower locating platform and an upper locating platform are arranged on the top surface of the base and the bottom surface of the locating plate correspondingly, and the clamping and locating mechanisms are arranged on the lower locating platform and the upper locating platform. Two pipeline test pieces are limited in the upper clamping and locating mechanism and the lower clamping and locating mechanism correspondingly and located on the same vertical straight line. The welding device for pipeline sealing connection is simple in structure and high in practicability, can conduct clamping and locating operation on two pipelines in the up-and-down direction, and can also adjust the height and the position of a welding mechanism, the requirement for sealing welding of pipelines with different lengths is met, the practicability of the welding device is greatly improved, and the working range of the welding device is greatly broadened.

The invention relates to extrusion equipment, and in particular relates to extrusion equipment for egg tart skin forming. The technical problem to be solved is to provide the extrusion equipment for egg tart skin forming, wherein the extrusion equipment does not press hands of people and is high in safety. According to the technical scheme, the extrusion equipment for egg tart skin forming comprises a bottom plate and a servo motor; a first rotating shaft is rotatably mounted on the upper side of the bottom plate; the servo motor, a supporting rod and a supporting frame are all connected to the upper side of a bottom plate in a bolted mode; and the supporting rod is located between the servo motor and the supporting frame. Egg tart skins can be conveyed to a position under an extruding assembly through a rotating assembly, and the extruding assembly extrudes the egg tart skins, so that manual operation of people is not needed, the hands of people cannot be pressed, and safety is high;and a limiting effect can be achieved through a clamping rod, so that a limiting block and a driving rod cannot rotate too much, and the egg tart skins can be accurately rotated to a position under anextrusion block.

An oscillation buoy power generation device comprises a buoy floating on the sea surface, and power generation assemblies, and further comprises at least one limiting rod installed on the upper end face of the buoy. Spiral grooves are formed around the outer walls of the limiting rods in the length direction of the limiting rods. Each power generation assembly comprises a driving gear installed in cooperation with the corresponding limiting rod, at least one driven gear engaged with the driving gear, and a power generator connected with a hub of each driven gear. Each driving gear comprises a hollow shaft sleeve. Gears are arranged around the outer walls of the hollow shaft sleeves. Transmission pins are arranged on the inner walls of the hollow shaft sleeves. The limiting rods are inserted in the hollow shaft sleeves. The transmission pins are installed in the spiral grooves in an inserted manner and can move along the spiral grooves. According to the novel mechanical oscillation buoy power generation device, the structure of the spiral grooves is designed, rotation, along the spiral grooves, of the driving gears is converted into electric energy of the electric generators through the driven gears, and compared with a traditional wave energy power generation device, the structure is simplified, flexible and reliable, and a stable power generation effect can be achieved.