114 results about "Slider crank" patented technology

The invention relates to the technical field of furnace shell welding, in particular to a gas industrial furnace shell welding device which integrates a radial circular seam and an axial longitudinal seam, a servo motor drives a planetary gear train through an intermittent sheave, a rotating shell drives a clamped furnace shell to rotate, and radial welding is completed; after a bottom clamping jaw instantly locks a shell, power is switched to a planet carrier, an outer mounting arm drives a driven scraping arm to grind the inner wall while axially moving, welding and grinding synchronization is achieved, a bidirectional pushing seat crank sliding block mechanism continuously rotates in a one-way mode to push and pull the furnace shell in a two-way mode, whole-circle accurate grinding is achieved during resetting, and six sets of air cylinder lead screw adjustable clamping jaws conduct internal and external synchronous supporting. The outer supporting cylinder is prevented from deformation, secondary clamping is not needed in the whole process, butt joint of multiple sections of furnace shells is completed at a time, continuous filling of a longitudinal weld bead can be completed when a circular seam is still in a high-temperature plastic stage through instantaneous switching of clamping and stopping, and the welding quality of a T-shaped connector area is improved.

A rotating shaft mechanism includes a body, a first door plate, a second door plate, an intermediate door plate, a first connecting rod assembly, and a second connecting rod assembly. The first connecting rod assembly includes a first housing connecting rod, a first gear connecting rod, and a first secondary connecting rod. The rotating shaft mechanism further includes a first meshing transmission structure. The first housing connecting rod, the first gear connecting rod, the first secondary connecting rod, the first door plate, and the body form a crank-slider structure to drive the first door plate to rotate relative to the body. The first gear connecting rod drives the intermediate door plate to move relative to the body using the first meshing transmission structure.

The invention discloses an intelligent visual deicing robot for a high-voltage power transmission line, which comprises a machine body frame, a walking mechanism, a deicing mechanism, a visual module and an unmanned aerial vehicle connecting mechanism, and is characterized in that the walking mechanism, the deicing mechanism and the visual module are all mounted in the machine body frame; the deicing mechanism comprises a deicing fan, a drill bit, a drill bit shell, a crank sliding block mechanism and a double-output-shaft motor, the deicing fan is installed at the front end of the machine body frame, the drill bit and the drill bit shell are vertically installed in the machine body frame, and the crank sliding block mechanism is installed at the front end of the drill bit shell and connected with a piston located in the drill bit shell; the double-output-shaft motor drives the deicing fan and the crank sliding block mechanism to rotate at the same time, and rotary deicing of the deicing fan and vibration deicing of the drill bit are conducted at the same time. The deicing device is compact in structure, high in automation degree, small in shaking degree, high in stability, easy to operate and convenient to install, and deicing operation on the high-voltage wire can be achieved.

The invention relates to a sewing machine and a cloth pricking stroke adjusting device thereof. The cloth pricking stroke adjusting device comprises a driving mechanism, and an output shaft of the driving mechanism rotates to drive a presser foot lifting cam and an adjusting crank to rotate to a working position; the working positions comprise at least one adjusting position of the presser foot lifting cam and at least one adjusting position of the adjusting crank; the adjusting position of the presser foot lifting cam corresponds to the upper limit position and the lower limit position of the foot lifting module; the adjusting crank is hinged to the adjusting connecting rod, the adjusting position of the adjusting crank corresponds to the target angle of the adjusting crank, and the driving mechanism drives the adjusting crank to swing to the target angle, so that the position of the fixed end of the adjusting connecting rod changes along with the target angle of the adjusting crank. By adjusting the position target of the fixed end of the connecting rod, the target cloth puncturing stroke is correspondingly adjusted, the cloth puncturing stroke adjusting device is applied to the sewing machine, and the sewing machine with the cloth puncturing stroke adjusting function is obtained.

This invention relates to a continuous-body soft tissue insertion actuator and surgical robot system based on flexible transmission, belonging to the field of medical device technology. The insertion actuator includes a base with a first through hole at its center; an insertion plate rotatably connected to the base; a drive rod passing through the first through hole and slidably connected to the base, one end of which is connected to a drive unit; a pull rod connected to the drive rod; and a transmission link, both ends of which are rotatably connected to the insertion plate and the pull rod, respectively. The drive unit drives the drive rod to move. When the pull rod moves away from the base, it drives the transmission link, causing the insertion plate to close inward, forming a conical structure. When the drive rod moves the pull rod closer to the base, the insertion plate opens under the push of the transmission link. This actuator utilizes a hyperelastic rod to transmit push and pull forces within a curved channel, combined with an offset crank-slider mechanism, to achieve powerful soft tissue insertion and separation.

The utility model belongs to the technical field of detection equipment, and discloses an automatic detection device for an electrode plate, which comprises a frame body, and a detection module, an overturning module and a material taking module which are arranged on the frame body, and the material taking module is used for grabbing a first surface of the electrode plate; the overturning module comprises a slider-crank mechanism, a first chain transmission mechanism, a first fixing frame and a second fixing frame, wherein the first fixing frame and the second fixing frame are fixed to each other. The material taking module is rotationally connected to the second fixing frame. The crank sliding block mechanism comprises a crank and a sliding block, the sliding block is slidably connected to the first fixing frame, and the crank is rotatably connected to the first fixing frame; the first chain transmission mechanism comprises a first driving wheel, a first driven wheel and a first chain wound around the first driving wheel and the first driven wheel, the crank is rotationally connected with the first fixing frame, the first driving wheel is fixed to a rotating shaft of the crank, and the first driven wheel is fixed to the material taking module; the crank rotates to drive the material taking module to turn over through the first chain transmission mechanism, so that the second surface of the electrode plate faces the detection module for detection, and the structure and detection steps are simplified.

This invention relates to the field of marine propulsion device manufacturing, specifically a design method for a fully azimuth-controlled adjustable-pitch ducted propeller. This method extracts the basic parameters of the ship's main engine and existing rudder propeller, and establishes an integrated arrangement scheme to replace the fixed-pitch propeller with an adjustable-pitch propeller while maintaining the original power parameters unchanged. Based on the theoretical diagram of the fixed-pitch ducted propeller, a hydrodynamic calculation program is executed, introducing correction factors for increased shell diameter ratio and slightly reduced disk area ratio, and forcibly lowering the theoretical thrust coefficient by 5%, to obtain the corrected target open-water characteristic curve. The overall rotational characteristics of the fully azimuth-controlled rudder propeller are utilized to provide thrust for reversing and steering, strictly limiting the pitch adjustment authority to adaptability requirements for low-speed navigation and providing maximum drag under multiple operating conditions. A single-crank slider mechanism is configured inside the propeller hub as the core rotor component, and a three-dimensional spatial layout is completed. An electro-hydraulic integrated servo control system, dominated by a PLC and incorporating a dual-pump parallel architecture and a built-in hydraulic lock, is established. This significantly reduces the frequency and physical amplitude of the propeller blade rotation angle.

The utility model relates to a steel wire rope fatigue testing machine which comprises a machine frame, a wire fixing base is vertically connected to the machine frame in a sliding mode, two opposite wire clamping bases are arranged on the wire fixing base, a plurality of wire fixing blocks are arranged on the opposite sides of the two wire clamping bases in a protruding mode at intervals, and the wire fixing blocks on the two wire clamping bases are arranged in a staggered mode to clamp and fix a steel wire rope. Wherein the back side of one wire clamping seat is in sliding connection with a fixing block through a guide rod, a bolt is connected to the fixing seat in a threaded mode, the end of the bolt abuts against the wire clamping seat, the bottom of the wire clamping seat is driven by a slider-crank mechanism to slide on the machine frame in a reciprocating mode, the other end of the steel wire rope is sequentially wound around a plurality of wire spools, and a balancing weight is connected to the end of the steel wire rope in a hanging mode. The steel wire rope fatigue testing machine is simple in structure, convenient and stable.

The invention relates to the technical field of flower planting, and discloses multifunctional layered cultivation equipment for flowers. Comprising a box body, a supporting plate and a control panel, a module design mechanism is arranged at the top end of the supporting plate and comprises a bearing frame, a handle, a first inclined block, a fixing block, a second inclined block, a spring and a limiting assembly, the first inclined block drives the second inclined block to drive the limiting assembly to retract from a supporting plate clamping groove through inclined surface transmission along with downward pressing of the handle, and independent disassembly and assembly of the bearing frame are achieved. A protective shell and a uniform spraying mechanism are arranged above the box body, the uniform spraying mechanism comprises a motor, a rotating arm, a sliding column, a limiting column, a sliding block, a sliding frame and a cleaning plate, and the motor is matched in a sliding groove through the rotating arm and the sliding column. According to the invention, rapid disassembly and assembly of single flowers are realized through modular design, the problem that the whole laminate is strenuous to pull is solved, reciprocating spraying is realized by using a crank-slider mechanism, the problems of uneven irrigation and dead angles are solved, and the device has the beneficial effects of convenient maintenance, wide irrigation coverage and stable operation.

The application provides an automatic decoration fabric three-dimensional printing device and a use method thereof, and relates to the technical field of three-dimensional printing equipment. The device comprises a U-shaped driving frame horizontally slidingly arranged between a lower mold plate and a supporting plate, two groups of connecting rods are rotationally connected to the two long side rods of the U-shaped driving frame in the length direction; each group of connecting rods comprises two connecting rods arranged symmetrically in the up-down direction, the first end of the upper connecting rod is rotationally connected to the lower mold plate, and the first end of the lower connecting rod is rotationally connected to the supporting plate; a hydraulic oil cylinder is arranged in the U-shaped track frame, the supporting plate reciprocatingly slides along the U-shaped track frame under the extension and retraction of the hydraulic oil cylinder, and the lower mold plate is lifted and lowered to perform pressure printing. The automatic feeding and conveying action and the lifting and pressure printing action of the application completely rely on a pure mechanical structure composed of eight crank slider mechanisms and springs and are driven by a single hydraulic oil cylinder, so that the implementation cost of the automatic function is low.

According to the technical scheme, the automatic lens cleaning machine is characterized in that the automatic lens cleaning machine comprises a machine frame and a first track plate arranged above the machine frame, a second track plate is arranged below the first track plate, and a first crank sliding block mechanism for driving the second track plate to move left and right is arranged on the first track plate; a frame device is arranged below the second track plate, a second crank sliding block mechanism for driving the frame device to move front and back is arranged on the second track plate, and an upper brush plate and a lower brush plate in the frame device can do lifting motion to clamp a clamping jaw lantern ring and do horizontal reciprocating motion to clean a lens in the lantern ring; according to the method for cleaning the lenses, except that manual work is used during feeding and discharging, other processes are all automatic, one person can watch multiple machines, efficiency can be greatly improved, cleaning quality can be improved, and influences on health of workers can be reduced.

The utility model provides an obstacle-crossing motion object-carrying platform based on a crank-slider mechanism, and belongs to the field of motion object-carrying platforms. The problem that an existing object carrying platform cannot guarantee stable transportation of important materials such as precise instruments, optical equipment and medical drugs on the uneven ground is solved. The platform comprises a platform body and six walking components, the six walking components are arranged at intervals, each walking component comprises a fixing rod, a rolling wheel, a spring and a crank sliding block mechanism, each crank sliding block mechanism comprises a rocker, a connecting rod, a sliding block and a sliding way, one end of each fixing rod is fixedly arranged below the platform body, and one end of each rocker is rotationally connected to the other end of the corresponding fixing rod; one end of the connecting rod is rotationally connected to the sliding block, the other end of the connecting rod is rotationally connected to the rocker, the sliding block is arranged on the sliding way in a sliding mode, the sliding way is fixedly arranged below the platform and extends in the walking direction, one end of the spring is connected with the sliding block, and the other end of the spring is connected with the end, away from the rocker, of the sliding way. The robot can realize stable obstacle crossing.

A transmission structure with a square shaft matched with a sliding seat comprises the square shaft, a square shaft rotation driving mechanism, a sliding seat assembly and a sliding seat assembly translation driving mechanism. The two ends of the square shaft are installed on a fixing component of the box sticking machine in a pivoted mode, and the square shaft is provided with the sliding seat assembly in a matched mode. The sliding seat assembly comprises a sliding block, a roller seat, a roller and a baffle connecting seat, a square shaft penetrating hole is formed in the sliding block, the roller seat is assembled in the square shaft penetrating hole in a rotatable mode, the roller seat is provided with a cross-shaped groove which is through in the front-back direction, roller shafts which are transversely and longitudinally arranged are installed in the cross-shaped groove, the roller shafts are provided with the rollers, and the baffle connecting seat is provided with a baffle. The idler wheel seat is provided with a cross-shaped groove, an avoiding channel is defined by the idler wheel in the cross-shaped groove, the square shaft penetrates through the avoiding channel, the baffle connecting seat is fixed on the idler wheel seat, and the baffle connecting seat is connected with an upper baffle of the box sticking machine through an additionally-arranged crank sliding block structure. The paper sheet aligning and deviation rectifying device meets the aligning and deviation rectifying requirements of paper sheets with different specifications and sizes, and ensures continuous operation of box sticking machine equipment.

The utility model relates to sewing machine equipment, and discloses a crank sliding block thread trimming mechanism of a sewing machine and the sewing machine, the crank sliding block thread trimming mechanism comprises a motor, a thread trimming crank and a cutter driving crankshaft, the thread trimming crank is installed on an output shaft of the motor, and a sliding block is installed at the end of the thread trimming crank; a sliding groove is formed in the end portion of one end of the cutter driving crankshaft, the sliding block is matched with the sliding groove, and when the thread trimming crank drives the cutter driving crankshaft to rotate, the sliding block slides along the sliding groove; the other end of the cutter driving crankshaft is connected with the shear assembly in a fastening mode, and a reset element for driving the shear assembly to reset is installed on the cutter driving crankshaft. When the reset element loses efficacy and the cutter is stuck, the motor can drive the thread trimming crank to enable the sliding block to move reversely in the sliding groove, the cutter driving crank shaft is driven to rotate reversely, and forced cutter returning of the scissor assembly is achieved. Therefore, sewing work interruption, cloth damage or damage to other parts of the sewing machine due to cutter clamping are avoided, normal operation of the sewing machine is guaranteed, and economic loss of a user is reduced.

The utility model provides a planing and milling device for concrete pavement patching, which relates to the technical field of concrete planing and milling devices and comprises an active driving shaft and two planing and milling wheels, and the active driving shaft is symmetrically sleeved with the two planing and milling wheels; a small-diameter retaining ring, a large-diameter retaining ring and a protective ring which are sequentially embedded from inside to outside are welded to the annular end face of the outer side of the planing and milling wheel, and a circle of six-edge inserting shaft which is pushed and positioned through a spring is installed on the small-diameter retaining ring and the large-diameter retaining ring in a penetrating and sliding mode; the protruding part of the head end of the circle of six-edge inserting shaft is matched with the end part of the active driving shaft in an inserting manner; a cover plate is welded and plugged at the open end of the protective ring, and a fence ring is welded to the outer side of the center of the cover plate. Through a circle of crank sliding block mechanism, the loosening and unlocking operation of the planing and milling wheel can be efficiently and conveniently completed at a time only through the simple operation of positively twisting the star-shaped driving frame, operation and use are easy, convenient and time-saving, and the dismounting efficiency of the planing and milling wheel which is pulled up at intervals is improved.

The utility model discloses a sliding plate type air conditioner air door mechanism and vehicle, the sliding plate type air conditioner air door mechanism swing setting in air conditioning air duct assembly is close to the place setting of air outlet, the sliding plate type air conditioner air door mechanism includes air door assembly, the air door assembly includes swing setting at least two air door spare on air conditioning air duct assembly and is used for driving air door spare air door drive spare, air door drive spare adopts connecting rod mode and drives air door spare, and through air door drive spare, adopts connecting rod mode and drives air door spare to present the sliding track activity, that is traditional crank slider mechanism or cam connecting rod mechanism principle, makes the air door folding, increase the cross -sectional area of ventilation duct, saves internal space simultaneously.

The application is a fixing mechanism for shell processing and its using method, which relates to the field of luggage production and processing technology, and comprises a shaped shell and a mounting frame table. Four first longitudinal telescopic rods are arranged on the four sides of the mounting frame table to support the inner side of the shaped shell. A correction assembly is arranged on the upper side of the mounting frame table to outwardly expand and tightly press the four sides of the shaped shell. Four first longitudinal telescopic rods with adjustable height can support and place the inner side of the shaped shell with different height and size. The principle of the crank slider is adopted to make the rotating pipe synchronously push and pull the four correction push plates to outwardly expand and inwardly shrink. In the expansion state, the shaped shell supported by each first longitudinal telescopic rod can be synchronously pushed to the middle correction positioning, and the shaped shell is stably tensioned. This method can also be suitable for the shaped shells with different width and size, and then the suction plate on the top of the suction rod is used to secondarily adsorb and fix the middle part of the shaped shell.

The utility model discloses a pet food bag quick puncher, including the bottom plate, the bottom plate upper end is provided with the punch mechanism for the packaging bag punch, the punch mechanism includes the mounting bracket, punch rod, limit ring, spring, mounting bracket, permanent magnet, electromagnet, the bottom plate upper end fixedly arranged with mounting bracket, the surface one side of mounting bracket is movably inserted and arranged with punch rod, the middle part fixed setting of punch rod outside surface limit ring, the spring is set up on the limit ring upper end of punch rod outside surface, the mounting bracket upper end fixedly arranged with mounting bracket. The utility model uses effectual, relative to traditional crank slider's punch equipment, and this device can reduce the friction loss greatly, and the device adopts the spring action energy storage to punch simultaneously without rigid connection, even if the misoperation punch rod impact to the staff's hand, also can not cause the big damage, and at most produces the skin trauma.

The invention provides an air spring crimping machine, which belongs to the field of air spring manufacturing, and comprises a rack, a table disc assembly, a driver and a slider-crank mechanism with a pressure head, the outer ends of the multiple sets of crank sliding block mechanisms arranged in an annular array are pivoted to the inner circumferential face of the table disc assembly rotating part, and the inner ends of the crank sliding block mechanisms are connected to the pressing head. The slider-crank mechanism comprises an outer pivot assembly, an outer connecting rod, an inner pivot assembly, an inner connecting rod, a lower sliding guide assembly, a back sliding guide assembly and a buckling pressure detector. The stability of the slider-crank mechanism is improved and the service life of the slider-crank mechanism is prolonged through the arrangement of the back sliding guide assembly. According to the air spring crimping machine, the crimping device with the pressure detection function is adopted, and the pressure head calibration mechanism is provided, so that the uniform crimping and the sealing effect of the air spring are ensured, the intelligent degree is high, and the air spring crimping machine is convenient to popularize and apply in the processing field of the air spring.

A rotating shaft apparatus is provided, where the rotating shaft apparatus includes an adapter member, a spindle, and a crank-slider mechanism. The adapter member is fixedly connected to a load. The spindle is fixedly connected to the adapter member. The crank-slider mechanism acts on the spindle to provide a torque. The torque partially or completely counteracts a gravitational torque of the load. A compression spring is disposed in the crank-slider mechanism. A spring force of the compression spring acts on the spindle, so that the spring force changes with rotation of the spindle.

The invention discloses a large-span current-carrying acceleration test device for evaluating the durability of a connection point, belongs to the technical field of mechanical detection, and is suitable for evaluating the durability of the connection point of a power transmission and distribution line under a wind-induced vibration and current-carrying heating coupling working condition. The device integrates a main body structure, a wire clamp test module, a driving module and a wire tensioning module, constructs a main wire longitudinal pre-tightening-auxiliary wire dragging force adjustment-sine reciprocating excitation three-field coupling integrated platform, realizes stepless adjustment of main wire tensioning force through a spring tightener, and outputs high-frequency sine excitation by adopting a cam and crank slide block combined mechanism. The auxiliary line dragging force and posture are accurately regulated and controlled in cooperation with an air cylinder, current carrying is synchronously connected, and multi-dimensional test data are collected. The defects that an existing device is insufficient in loading dimension, poor in parameter adjustability and low in working condition reduction degree are overcome, the repeatability of test results and the test efficiency are remarkably improved, and a reliable experiment basis is provided for connection point fatigue life evaluation, failure mechanism research and structure optimization.

The application discloses a docking mechanism which can be used for underwater robot reconfiguration and relates to the technical field of underwater robot reconfiguration. The docking mechanism comprises a T-shaped screw copper nut mechanism, waterproof steering gears, a T-shaped screw and a copper nut. The copper nut is driven by the waterproof steering gears to move linearly along the T-shaped screw. A plurality of crank slider mechanisms are uniformly connected around the copper nut in a circle and swing simultaneously under the drive of the copper nut, so that the umbrella type contraction and opening are realized, and the docking is guided. A plurality of one-way clamping mechanisms are uniformly connected around the T-shaped screw copper nut mechanism in a circle, and the robots for docking are axially limited. The docking mechanism is easy to manufacture, stable and reliable, convenient to disassemble and assemble, can be remotely controlled, has the functions of guidance and one-way clamping, and has a high docking success rate.

The invention discloses a gas density relay for a density meter, and the relay comprises a housing which is fixedly provided with a dial plate; the indicating mechanism comprises an arc-shaped pipe and a pointer; one end of the arc-shaped pipe is closed, mounted in the shell and capable of linearly moving; the other end of the arc-shaped pipe is communicated with the density meter; one end of the pointer is in transmission connection with the closed end of the arc-shaped pipe; the pointer rotating plane is parallel to the linear moving direction of the arc-shaped pipe; the slider-crank mechanism is fixed on the outer wall of the shell, and a slider of the slider-crank mechanism is in transmission connection with the closed end of the arc-shaped pipe so as to convert linear movement of the arc-shaped pipe into torque and drive the pointer to deflect; the thermal bimetallic strip is in transmission connection with a crank of the crank sliding block mechanism so as to compensate the temperature drift of the arc-shaped pipe; the reference air bag is fixed at one end, far away from the dial plate, of the shell to compensate the temperature of the action point. The problems that a rated point and an action point of a traditional density meter cannot achieve equal high-precision temperature compensation at the same time, the qualified rate of finished products is low, and vibration resistance is poor are solved.

A kind of leather skiving device, to solve the leather due to own softness and appear deviation and appear some wrinkles in the process of skiving leather, so as to cause the subsequent cutting processing of the whole piece of leather to be processed cannot produce normal use leather, and the waste produced in the process of skiving is easy to accumulate on skiving device, easy to affect the processing precision of leather, also increase the time of cleaning workbench Technical problem, including workbench, box is fixedly arranged on workbench, lifting assembly is arranged on box, expansion block is arranged on lifting assembly, a skiving knife is arranged on expansion block, first guide assembly is arranged on the bottom of lifting assembly, second guide assembly is arranged in the bottom of box, and first guide assembly and second guide assembly are opposite, driving assembly is arranged on the rear wall of box, driving assembly is fixedly connected with one track wheel, crank slider mechanism is also arranged in box.

A small volume courtyard water ripple lamp, including perturbation mirror one, front cover, die-casting radiator, effect module, power module, back cover, one side of the perturbation mirror one includes a plurality of continuous smooth transition or discontinuous transition flat convex lens, the perturbation mirror one is installed in the groove of the upper part of the front cover, the effect module includes perturbation mirror two, drive assembly, scattering mirror, support plate, LED light source and radiator in turn, the drive assembly is installed on the support plate, the distance D1 between the scattering mirror and the LED light source is less than 10mm, the perturbation mirror two and the perturbation mirror one are of the same material, the area of the perturbation mirror two is less than the area of the perturbation mirror one, the drive assembly includes drive motor and drive mechanism, the drive assembly drives the perturbation mirror two to move back and forth in a straight line, the drive motor is located below the perturbation mirror two, and the principle of the drive assembly driving the perturbation mirror two is the centering crank slider mechanism mode.

The elevator traction testing machine comprises a base, a carbon fiber belt and a sliding rod, the middle of the base is provided with a first support, the first support is rotatably provided with an experiment wheel through a rotating shaft, and the positions, located on the two sides of the first support, of the base are provided with a second support and a third support respectively; a first guide wheel is rotationally mounted on the second bracket through a rotating shaft, and a second guide wheel is rotationally mounted on the third bracket through a rotating shaft; a sliding block is installed on the sliding rod in a sliding mode, after the carbon fiber belt is arranged on the first guide wheel and the second guide wheel in a sleeving mode, the two ends of the carbon fiber belt are fixed to the two ends of the sliding block, the middle of the bottom end of the carbon fiber belt is supported through a test wheel, a fourth support is installed on the base, and a driving assembly is installed on the fourth support. The driving assembly drives the sliding block to reciprocate through the crank assembly. According to the invention, by means of the slider-crank mechanism, the motion rule of the carbon fiber belt is in a complete sine curve and has no quick-return characteristic, so that sudden change of the motion speed is avoided.

The utility model discloses a quantitative filling lubricating oil production device, which relates to the technical field of lubricating oil filling and comprises a filling base, a piston cylinder mounted at the top of the filling base and an electric crank fixed at the top of the piston cylinder. And the bottom of the piston rod is fixedly connected with a piston disc, the piston disc is slidably connected to the inner wall of the piston cylinder in a limited mode, and the bottom of the filling base is fixedly connected with a bottom storage box. The centrifugal discharging mechanism is used as a discharging mechanism capable of being opened and closed in a one-way mode, the opening and closing effect of a suction function is achieved no longer depending on pressure difference, the opening and closing functions are sequentially executed through ascending and descending of a crank sliding block in an electric crank, and the situation that opening and closing are lagged due to extremely high viscosity of lubricating oil is avoided; no matter whether negative pressure is formed in the piston cavity or not, the feeding channel can be forcibly opened, and stable material suction of high-viscosity materials or under the low-pressure working condition is ensured.

The utility model relates to a rowing machine with a foldable machine head, which comprises a bottom frame and the machine head, the machine head is slidably connected with the bottom frame, the rowing machine further comprises a supporting swing rod, the first end of the supporting swing rod is pivoted on the bottom frame, the second end of the supporting swing rod is pivoted on the machine head, and the supporting swing rod, the machine head and the bottom frame form a crank sliding block mechanism. According to the implementation of the slider-crank mechanism, through movement of the slider-crank mechanism, the machine head has a flat folded state relative to the bottom frame and an erected unfolded state relative to the bottom frame, and a stopping piece capable of adjusting the position and stopping sliding of the machine head is further arranged. And the position and the elevation angle of the machine head limited by the stop piece are adjusted by adjusting the position of the stop piece.

The present application relates to fascia gun technical field, disclose a kind of stepless amplitude reciprocating drive mechanism and its design method, fascia gun, to solve the problem of low efficiency existing in prior art design method, stepless amplitude reciprocating drive mechanism includes the slider-crank mechanism by eccentric wheel, output rod, connecting rod and slider are sequentially articulated and adjustment rod, the swing end of adjustment rod is articulated on output rod, the position of the adjustment end of adjustment rod is adjustable, and after adjustment, the swing range of second articulation point is limited, method includes: determining the first distance between first articulation point and second articulation point, the second distance between second articulation point and third articulation point, the third distance between third articulation point and fourth articulation point and the functional relationship between the position of fifth articulation point and slider amplitude, and the design of stepless amplitude reciprocating drive mechanism is carried out based on functional relationship.The present application improves the design efficiency and accuracy of stepless amplitude reciprocating drive mechanism, and is suitable for fascia gun product.

The application discloses a mechanical linkage type visual detection machine, which comprises a rotary conveying device, a die holder, a feeding device, a visual detection device, a main power device and an intermediate transmission device. The rotary conveying device comprises a rotating disc, and the die holder is arranged on the rotating disc and can rotate. The feeding device is used for pushing a single round pipe onto the die holder. The visual detection device is used for detecting surface defects. The main power device comprises a main power motor and a first helical bevel straight-angle reverser, and the intermediate transmission device comprises a cam mechanism and / or a slider-crank mechanism. The main power device can realize multi-directional distribution of main power to the main power device, the rotary conveying device and the feeding device through the first helical bevel straight-angle reverser, so that a single main power source can complete the detection of the circumferential surface defects of the round pipe workpiece. The cam mechanism and the slider-crank mechanism are used to replace program control by mechanical structure transmission, so as to realize the connection or disconnection of power and the time sequence control of various actions.