164results about How to "Ensure movement stability" patented technology

The present invention provides an internal knee joint prosthesis which comprises a femoral prosthesis (1) which is connected with the far end of the femoral, a tibial gasket (4) which is fixed at a tibial support (5), the tibial support which is connected with the close end of a tibia, a tibial intercondylar eminence (3) filled into the intercondylar hole (4c) of the tibial gasket (4) and the protrudent platform (5f) hole of the tibial support (5) and a bolt (2) which ensures the opposite position of the tibial intercondylar eminence (3) with the tibial gasket (4) and the tibial support (5). The inner condylar (4a) and outer condylar (4b) joint faces of the tibial gasket (4) are respectively opposite to the inner condylar (1a) and outer condylar (1b) joint faces of the femoral prosthesis (1), so as to ensure that the femoral prosthesis (1) can realize the actions of extending, bending and backwards rolling at the tibial gasket (4). The tibial intercondylar eminence (3) is extended into the condylar interval area (1d) of the femoral prosthesis, so as to ensure the knee extension stability of the knee joint. The part of the tibial intercondylar eminence (3) near the outer condyle (1b) of the femoral prosthesis (1) is excised to ensure that the femoral prosthesis (1) has larger outwards rotation angle at the bending knee position, so as to realize the deep bend of the knee joint.

The invention discloses a lever lateral mobile damping four-wheeler manned lunar rover folding system and belongs to the field of spaceflight. The system solves the problem that a four-wheeler is easily overturned integrally, difficultly climbs, runs into hollow surfaces, works cumbersomely, is high in energy consumption, low in adaptability and occupies a large space to hinder the implementation of exploration tasks and the like under the complicated geographical conditions on the surface of a star in the prior art. One side of a first rover body (1-1) is welded with two right-angled steel channels (6); the other side of the first rover body (1-1) is in folding connection with one side of a second rover body (1-2) through two middle connection folding mechanisms (8); the other side of the second rover body (1-2) is welding with two right-angled steel channels (6); the first rover body (1-1) is detachably connected with the second rover body (1-2) through a pair of rolling shaft pins (9) and pin slots (15); the lower end face of a bearing plate rover (1) is uniformly provided with four dual-wheel moving mechanisms. The system is used for a manned lunar rover.

The invention relates to a redundant drive five degrees of freedom parallel machine tool with a large rotation angle. The redundant drive five degrees of freedom parallel machine tool with the large rotation angle includes a fixed platform, a movable platform for installing a main shaft head and a first driving branch, a second driving branch, a third driving branch and a fourth driving branch forconnecting the fixed platform and the movable platform, the structures of the first driving branch and the second driving branch are similar, and the first driving branch includes a hooke hinge, a servo driving unit, a revolute pair and a compound sphere hinge; the third driving branch includes a hooke hinge, a servo driving unit and a compound sphere hinge, the fourth driving branch includes a revolute pair, a servo driving unit, a hooke hinge and a revolute pair, and the movable platform of a machine tool and the four driving branches are hinged to form a space closed-cycle parallel mechanism; and the three-dimensional translation and the two-dimensional rotation of the space can be achieved by controlling six servo motors to drive the four branches. The redundant drive five degrees offreedom parallel machine tool with the large rotation angle has the advantages that the branch structures are simple and compact, the orientation workspace is large, the flexibility is high, the rigidity is large, and the singular configuration can be prevented, and can be used for high-speed, high-precision and efficiency machining for free-form surface in complex space.

The invention relates to a multi-layer conveying belt tea leaf fragrance extraction machine and a control method. The fragrance extraction machine comprises a PLC control unit, an automatic tea leaf feeding unit, a fragrance extraction and baking unit and an automatic tea leaf discharging unit, wherein the automatic tea leaf feeding unit comprises a vertical elevator and an automatic tea leaf weighing device, and the fragrance extraction and baking unit comprises a transferring conveying belt, a transverse leaf evening device, a longitudinal leaf evening device and a multi-layer conveying beltbaking unit; and the transferring conveying belt is arranged below a discharge port of the automatic tea leaf weighing device and conveys tea leaves to the multi-layer conveying belt baking unit, thetransverse leaf evening device moves in the length direction of the transferring conveying belt to evenly scrape the tea leaves on the transferring conveying belt, the longitudinal leaf evening device moves in the width direction of the transferring conveying belt to evenly scrape the tea leaves on the transferring conveying belt, and the multi-layer conveying belt baking unit comprises a plurality of layers of conveying belts for conveying the tea leaves from top to bottom and heating baking units arranged on the two sides of the conveying belts. The multi-layer conveying belt tea leaf fragrance extraction machine and the control method solve the problem that the tea leaves are stacked on the conveying belts, and guarantees the tea leaf baking uniformity.

The invention discloses a wishbone shaped bell-less blast furnace distributor. The distributor is characterized in that: the distributor comprises a distributor casing, a top cover, a water cooling disc, an upper slewing bearing, a rotation sleeve, trunnion rings, a lower slewing bearing, trunnions, trunnion cranks, a chute carriage, chutes, a venture, and a horizontal transmission device for controlling the beta angle of the chutes; the lower part of the trunnion ring is connected with the fixed ring of the lower slewing bearing; and two sides of the chute carriage are respectively hinged to the lower end of the rotation sleeve through two trunnions. A key improvement of the distributor is characterized in that: the distributor comprises a trunnion ring anti-tilting mechanism and a trunnion ring driving device for driving the trunnion ring to up-down move, and the trunnion ring anti-tilting mechanism comprises a rigid driving arm and a rigid balance arm. The distributor has the following advantages: a shortest driving chain is used to realize the radial component force-free and symmetrical two-point driving of the trunnion ring by a hydraulic cylinder, and the anti-tilting mechanism can effectively prevent the trunnion ring from tilting to all directions in the up-down movement process.

The invention discloses a rail-self-adaptive motion trolley adjusting device and a using method thereof. The device comprises a motion rail, a movable trolley and a control device, wherein the motion rail comprises a bottom plate, an inner rail, an outer rail and a rack, wherein the bottom plate is fixed on the ground by ground bolts; the inner rail is arranged on the inner side of the bottom plate; the outer rail is arranged on the outer side of the bottom plate; the rack is positioned on the bottom plate and fixed in the middle of the bottom plate; the movable trolley comprises a movable flat panel, a follower plate and a driving device; the driving device comprises a driving gear, a driving gear driving shaft, a driven gear, a driven gear driving shaft, a first guiding wheel, a first guiding wheel guiding shaft, a first rolling wheel, a second rolling wheel, a third rolling wheel, a second guiding wheel, a second guiding wheel guiding shaft, a third guiding wheel and a third guiding wheel guiding shaft; the control device comprises a motor and a speed reducer; rotation motion of the motor can be changed into linear or circular motion along the rack. The device has a simple and novel structure, and the design is easy for machining, the cost is relatively low, and the reliability is high.

An exhaust nozzle 9 has nozzle vanes 15 interposed between front and rear exhaust introduction walls 10 and 51. A space 19 is between the wall 51 and a turbine housing 1. A sealing device 25 is arranged upstream, in a direction of exhaust gas, of each through hole 24 provided in the wall 51 for penetration of a vane shaft 16a to prevent exhaust gas in a scroll passage 8 from leaking through the space 19 to a turbine impeller 4. Each of the walls 10 and 51 is disk-shaped, the turbine housing 1 being formed with a shoulder 50 to which the wall 51 is fitted with the space 19.

The invention discloses a multi-linked clamp which can be automatically opened and closed, comprising a clamp beam, two ends of which are pivotally connected with a pulling rod respectively; each pulling rod is pivotally connected with a turning arm, the other end of the turning arm is pivotally connected with a connecting rod mechanism installation frame and a clamping jaw simultaneously; the clamp beam is connected with a heavy connecting rod by a hinge; the hinge hole where the upper end of the heavy connecting rod is pivotally connected with the clamp beam is a long round hinge hole with the aperture more than that of a pin shaft; the lower end of the heavy connecting rod is pivotally connected with an automatic unhooking device which can rotate by 90 degrees automatically after being pressed; the connecting rod mechanism installation frame of the self-gravity clamp is provided with a groove which is matched with the automatic unhooking device; the automatic unhooking device and the groove which are connected on the clamp beam and the connecting rod mechanism installation frame and matched with each other can automatically control the opening and closing of the clamping jaw of the self-gravity clamp when supporting carbon blocks; and the long round hinge hole at the upper end of the heavy connecting rod can be wholly lifted up with the connecting rod mechanism installation frame and the automatic unhooking device, thus compensating the horizontal position error of the clamped carbon blocks.

A guide rail machining device comprises a working table. A drilling tool main shaft driven by a DC synchronous motor is arranged on the working table, arranged on a transverse guide rail and connected with a lead screw and nut mechanism driven by a motor. A supporting table for supporting a workpiece and a pressing cylinder for fixing the workpiece are installed on the working table. A pull rod for pulling the workpiece is arranged at the front end of the working table. By means of the structure, the guide rail is moved through the pull rod and fixed through the pressing cylinder, the drilling tool main shaft is only moved transversely without being moved longitudinally, and therefore the hopping of the drilling tool main shaft is reduced, and the machining quality of the guide rail is improved. The lead screw and nut mechanism driven by the motor mainly comprises a motor, a lead screw and a nut pair, wherein the motor drives the lead screw to rotate and drives the nut pair to move as well.

The invention belongs to the field of platform screen doors of high-speed railways / intercity railways and discloses a high-speed railway platform door based on a dislocation structure and a control method thereof. The high-speed railway platform door comprises at least two slide rails which are parallel to each other and are arranged in the length direction of the platform edge, and a plurality ofmovable unit doors which are provided with driving units and are capable of sliding along the respective slide rails are arranged on the slide rails; and each movable unit door comprises a bearing plate at the bottom and a door body unit vertically arranged on the bearing plate, a moving wheel and guide sliding blocks are arranged on the bearing plate, the bearing plate is arranged in each sliding rail through the guide sliding blocks in a sliding mode, the moving wheel is driven via each driving unit to drive the whole movable unit door to move on the ground of the platform in the directionof the sliding rails. The high-speed railway platform door is based on the dislocation structure, a plurality of movable unit doors are arranged on a plurality of rows of slide rails in a staggered manner, and the door opening position is adjusted in real time according to the specification of the incoming vehicle type so as to adapt to various vehicle types on the high-speed railway platform.

The invention discloses a four-legged bionic robot platform based on biological characteristics. The four-legged bionic robot platform comprises a trunk and four lower limbs. The four lower limbs areevenly and symmetrically distributed at the four corners of the lower portion of the trunk, and the structures of the four lower limbs are identical. The trunk comprises four driving units, a trunk bottom plate used for supporting the driving units, a depth visual apparatus and a laser radar. The lower limbs comprise ankle joints, foot soles and leg parts. The upper ends of the leg parts are fixedly connected with the driving units, and the lower ends of the leg parts are rotatably connected with the upper ends of the ankle joints. The lower ends of the ankle joints are rotatably connected with the upper ends of the foot soles. According to the four-legged bionic robot platform, the adaptability and anti-jamming ability of a bionic leg-foot-type robot to different terrains can be improved,the stability and reliability of making contact with the ground are enhanced, a robot deep vision technology is fused to make a reasonable path plan on the travelling track of the robot, a laser radar technology is fused to further enhance the interaction ability between the robot and the environment, the mechanical complexity of the trunk and the lower limbs is simplified, the control difficultyis lowered, and the control accuracy is improved.

The invention discloses a fusing device for a strapping tape baler. The fusing device comprises a strapping tape welding mechanism and a welding state switching mechanism. The strapping tape welding mechanism forms friction welding connection at the overlapping position of a strapping tape loop, and comprises a welding frame, welding upper teeth positioned on the welding frame, and welding lower teeth connected to a machine base. The welding upper teeth on the welding frame are driven by a first driving mechanism to vibrate back and forth relative to the welding lower teeth for welding. The welding state switching mechanism is driven by a second driving mechanism, and comprises an eccentric wheel driven by the second driving mechanism, a swing support driven by the rotating of the circumferential surface of the eccentric wheel, and a pressing column arranged on the swing support. The swing trajectory of the bottom of the pressing column passes through the top face of the welding frame.The swing support is driven to swing up and down by the rotating of the eccentric wheel. The welding frame is pressed at the welding position or the return stop position through the pressing column.The strapping tape welding mechanism and the welding state switching mechanism are independently driven, the maintenance difficulty and cost of the fusing device are reduced, and the control precisionis improved.

The invention discloses a radio-controlled robot suitable for a narrow reducing pipeline. The radio-controlled robot comprises a plurality of power plants which are connected in series through a flexible wire rope, wherein a radio control device is connected between two adjacent power plants; each power plant comprises a telescopic rod; two support sleeves are arranged at the two ends of each telescopic rod; a plurality of DC brushless motor sets and support rods, which are alternately arranged, are hinged to the peripheral edges of the support sleeves; the brushless motor sets and the supports rods on the two support sleeves of each telescopic rod are hinged together; a planetary reducer is connected to the output end of each DC brushless motor set; a driving wheel is externally connected to each planetary reducer; a spring is arranged in each telescopic rod; and the two ends of each spring are fixedly connected to the two support sleeves of the corresponding telescopic rod. The radio-controlled robot is simple in structure and high in reliability, can adapt to complicated changes of the diameter and the angle of the pipeline, can also run freely in a vertical pipeline, and can realize medium-distance and long-distance radio control for pipeline operation.

The invention discloses a pull-type follow-up bearing device of a long lead screw of a machine tool, which consists of a lead screw, a nut seat, a left follow-up bracket, a right follow-up bracket, a bracket guide rail, a guide rail slider, a traction pulley and the like. The pull-type follow-up bearing device is characterized in that traction wheels are disposed at one side of the left follow-up bracket and the right follow-up bracket respectively; a steel rope is installed on the pulling wheel; one end of the steel rope is fixed on a pressure block on the bottom surface of a worktable, and the other end is fixed on a compaction seat of the machine tool body; and the bottoms of the left and right follow-up brackets are connected with the guide rail slider on the bracket guide rail. The invention not only solves the problem regarding the flexibility of the long lead screw and improves the motion rigidity of a transmission pair, but protects the lead screw and the nut seat against impact during high-speed movement and keeps the motion stability of the transmission pair; therefore, the working stability during precision grinding is ensured and the workpiece processing precision and the surface quality of the workpiece are effectively improved.

The invention discloses a vacuum interaction system applicable to a laser desorption / ionization time-of-flight mass spectrometer. The vacuum interaction system comprises a vacuum chamber provided witha vacuumizing device on the outer side, wherein a sealing cover plate of the vacuum chamber is provided with a pressure detection unit, and a sample entrance / exit of the sealing cover plate is provided with a sample incoming and outgoing cabin door in a sealed manner; and the vacuum chamber is internally provided with a sample target holder driven by means of a power unit, the power unit comprises a horizontal driving mechanism and a lifting mechanism, the horizontal driving mechanism drives the sample target holder to move horizontally, the lifting mechanism drives the sample target holder to move vertically, the lifting mechanism comprises a fixed base connected onto the bottom wall of the vacuum chamber by means of limiting screws, a jacking boss corresponding to the sample entrance / exit vertically is connected above the fixed base by means of a scissors-shaped lifting frame driven by a first power source, and reset springs are arranged in a compression gap between the fixed base and the bottom wall of the vacuum chamber at intervals. The vacuum interaction system has the advantages that the structure is simple, the running stability of the lifting mechanism is good, the replacement of samples is ensured to be conducted smoothly, and the machine failure rate is reduced.

A cassette for storing sheet media includes a box body with an opening, wherein the cassette further includes a pressing plate located in the box body, and a self-driven mechanism for driving the pressing plate to move towards the opening; the self-driven mechanism includes a support frame connected with the pressing plate, a driving shaft arranged on the support frame and driven by an elastic energy storage element, travelling gears synchronously moving on the two sides of the support frame, and guide racks matched with the travelling gears and extending along a stacking direction of the sheet media; and the travelling gears are driven by the driving shaft.

The present disclosure relates to an image forming apparatus and a development device. An image forming apparatus includes a toner container and a development device. The toner container includes a container main body being provided with a discharge port configured to discharge a toner. The development device includes a development device main body being provided with a replenishment port configured to receive a toner discharged from the discharge port and a shutter configured to open / close the replenishment port. The shutter opens / closes the replenishment port by turning along the outside face of the development device main body. According to the invention, the operation operation stability of the shutter can be secured, while the number of components is reduced.

The invention discloses a logistics trolley track commutation retracking device which comprises a commutation track and a retracking device frame. The retracking device frame is provided with a lead screw and a motor. A belt drive unit is connected with the lead screw and the motor. A cross beam is fixed below the retracking device frame. A composite bearing is matched with a guide sliding chute in the cross beam. A common linear bearing is matched with an unthreaded shaft on the other side of the cross beam. The composite bearing and the common linear bearing are fixed to the commutation track. The lead screw is matched with a driving nut on the commutation track to form a lead screw drive mechanism. By means of the logistics trolley track commutation retracking device, the problems that the retracking device is inconvenient to produce, install and maintain, high in cost, short in bearing life, high in operation noise and unsteady to move are solved. The retracking device has the advantages that the composite bearing is long in service life, and no maintenance work at the later period is required. The installation process is simple, operation is steady, noise is small, and movement is steady and reliable.

The invention provides a full-view probing robot monobody for a complex region at the ferromagnetic environment, which belongs to the technical field of a probing robot moving with multiple degrees of freedom. The robot monobody comprises left and right feet and a main body; each of the left and right feet comprises a steering engine A, a steering engine B, a steering support A, a steering support B and an electromagnet; and the left foot and the right foot adopt the same connecting way and are in mirror symmetry when in assembly. The main body comprises a front cross beam and a rear cross beam; a battery box and a main control case are respectively processed at the outer side of each of the front cross beam and the outer side of the rear cross beam; and the main control case is internally provided with a single chip microcomputer. The robot monobody provided by the invention has a creative and simple mechanical structure with double coupling and 4 degrees of freedom and is high in reliability; and the robot monobody has various modes of motion, can rapidly realize the switchover between rolling motion and feet motion, can efficiently adjust gait and step pitch, can accurately and rapidly realize adjustment of moving direction in the range of 0-360degree, can realize stereoscopic motion in total space and can achieve multiple objectives of crossing obstacles and ravines, turning corners and changing directions.

The invention relates to an energy recycling valve group and a hydraulic excavator. The energy recycling valve group comprises a switch assembly, a compensating valve (3) and a main reversing valve (5); the switch assembly is communicated with an oil outlet of a to-be-recycled oil way; the compensating valve (3) is connected between the switch assembly and the main reversing valve (5), and is usedfor controlling opening or closing of the energy recycling valve group; the compensating valve (3) is used for keeping the before and after pressure difference of the main reversing valve (5) constant; and the main reversing valve (5) can be communicated with an oil inlet of a receiving oil way, so that hydraulic oil of the to-be-recycled oil way can be recycled to the receiving oil way. According to the energy recycling valve group, by means of the switch assembly, the compensating valve and the main reversing valve, the hydraulic oil of the to-be-recycled oil way can be recycled into the receiving oil way and an executing element connected with the receiving oil way, energy recycling is achieved, and energy waste is avoided; and the compensating valve can guarantee that the before and after pressure difference of the main reversing valve constant, the flow of the main reversing valve is made stable, and therefore the action stability of an oil supply element is guaranteed.

The invention provides an automatic turnover device for a printed circuit board, and belongs to the technical field of printed circuit board preparation. The device comprises a linear mechanism, a rotating mechanism, a width adjusting mechanism and a clamping mechanism; the rotating mechanism comprises a seat body arranged on the linear mechanism and a rotating air cylinder arranged on the seat body; the width adjusting mechanism comprises a shell, a gear, a width adjusting motor and a rack, the shell is connected with a rotating shaft of the rotating air cylinder, two strip-shaped through holes are formed in one side face of the shell, the rack is in sliding fit with a horizontal guide rod, the horizontal guide rod is arranged on the inner wall of the shell, connecting strips are arranged on the top face of the rack, and penetrating rods are connected to the connecting strips, the two penetrating rods extend out of the strip-shaped through holes respectively and are connected with L-shaped frames located outside the shell respectively; the clamping mechanism is installed on the L-shaped frames. According to the automatic turnover device, automatic turnover is achieved to replace manual operation, conveying of a front silk-screen procedure and a rear silk-screen procedure is carried out; the automatic turnover device is high in flexibility and can adapt to circuit boards of different sizes and can adapt to the situation that conveying slightly deviates and is high in practicability.

The invention discloses a spring operation mechanism which is labor-saving, small in size and compact in structure. The spring operation mechanism comprises an installation frame as a rack, an energy storage spring, a returning spring, a moving contact spring, a cam and a parallel four-bar linkage, wherein the parallel four-bar linkage comprises a first rack rod, a second rack rod, a first connecting rod, a second connecting rod which can be used for forming a connecting-rod limit state with the first rack rod, a third connecting rod which can be used for forming a connecting-rod limit state with the second rack rod, and a support bracket; the lengths of the second connecting rod and the third connecting rod are equal, and the second connecting rod and the third connecting rod are arranged in parallel to each other; one end of the second connecting rod, one end of the first rack rod and one end of the first connecting rod are all hinged to a first point; and one end of the third connecting rod, one end of the second rack rod and one end of the first connecting rod are all hinged to a second point, and the other end of the second connecting rod and the other end of the third connecting rod are hinged with the support bracket.

The invention discloses a multifunctional feeding device for a vertical screen vibrating sand making machine, which comprises a feeding box body, a material distribution plate and elastic parts; the upper end of the feeding box body is an incompletely closed feeding The lower end surface is a fully-opened discharge port; in the feed box, a distribution plate is arranged transversely relative to its axis; an elastic member is axially arranged between the distribution plate and the feed box; The feed box is located on the square of the impeller of the sand making machine, and the material distribution plate, the impeller, the feed pipe of the sand making machine, and the vibrating mechanism of the sand making machine are arranged correspondingly on the same axis from top to bottom; The material distributing mechanism and the vibrating mechanism on the vertical vibrating vibrating machine work together to make the material make full use of the collision force, and the crushing strength is greater. The above structure can effectively solve the problem of unsmooth discharge of materials in the vibrating vibrating vertical vibrating mechanism and sand making. The problem of low crushing efficiency and insufficient crushing of materials has greatly improved the crushing efficiency and quality of materials, and reduced the energy consumption of crushing.

The invention discloses an active compliance control method for a foot-type robot under complex terrains. The method comprises the steps that a joint angle correction amount and a joint angular velocity correction amount are generated at the same time through an impedance filter; a joint angle instruction and a joint angular speed instruction are outputted to a joint PD controller based on the joint angle correction amount and the joint angular speed correction amount; after the output, the adjustment amount of the length of a supporting leg is calculated through the attitude angle error of amachine body; based on the adjustment amount of the length of the supporting leg, a leg length correction instruction is generated through the impedance filter, and the leg length correction instruction is outputted to the joint PD controller; and through the joint PD controller, the foot type robot under the complex terrains is actively and flexibly controlled. In the embodiment of the invention,the method prevents foot ends of the robot from slipping, and guarantees the motion stability of the posture of a robot trunk.

The invention relates to the technical field of high-rise building external wall cleaning machines, in particular to a crawler type obstacle crossing high-rise building external wall cleaning machine.The crawler type obstacle crossing high-rise building external wall cleaning machine comprises a high-rise building simplified schematic model and a hand-held remote controller, the front end of theouter wall of the high-rise building simplified schematic model is connected with cross bar obstacles, a building bottom counterweight trolley is mounted at the front ends of the cross bar obstacles,a water and electricity bundled pipe is mounted above the building bottom counterweight trolley, a cleaning machine body is mounted on the upper part of the water and electricity bundled pipe, a steelwire rope lifting rope is connected to the upper part of the cleaning machine body, and nylon rope soft guide rails are mounted on the left side and the right side of the steel wire rope lifting ropecorrespondingly. The crawler type obstacle crossing high-rise building external wall cleaning machine adopts crawler rolling type obstacle crossing, structure and control system design is simple, safety is better achieved during working in the scene with the high-risk environment by adopting the obstacle crossing mode of a mechanical structure, and the practical value and significance are also better achieved; and compared with obstacle crossing realized by a control system and a sensor, the crawler type obstacle crossing high-rise building external wall cleaning machine is more suitable andpractical.

The invention relates to the technical field of robots, in particular to a marine ranch netting brushing robot which comprises a rack, walking mechanisms, a rotary brushing mechanism, a propeller thrust mechanism and a monitoring mechanism, and the walking mechanisms are installed on the end faces of the two sides of the rack; at least one rotary brushing mechanism and at least one propeller thrust mechanism are respectively mounted on one side, facing and deviating from the to-be-brushed surface, of the rack; the rotary brushing mechanism is used for cleaning a to-be-brushed surface through which the rack walks, and the propeller thrust mechanism is used for adjusting the pose of the robot; the monitoring mechanism is used for monitoring the movement condition of the walking mechanism and controlling work of the walking mechanism, the rotary brushing mechanism and the propeller thrust mechanism according to monitoring information. The marine ranch netting brushing robot has the beneficial effects that the arranged propeller thrust mechanism can guarantee the motion stability of the robot, and meanwhile the underwater posture of the robot can be adjusted; and the rotary brushing mechanism adopts a cavitation jet flow technology, so that the brushing efficiency and the cleanliness are high.

The invention provides an energy-saving and environment-friendly garbage collection automatic auxiliary device which comprises a base. An auxiliary ring is rotationally mounted on the front face of the base and located on the back face of a main ring, collection boxes are mounted in a vertical seat in a sliding manner, first magnetic blocks are fixedly connected to the front faces of the collection boxes, and a lifting rod is connected into a clamping seat in an inserting and sliding manner. A movable seat is movably connected to the outer side of the lifting rod and located in a clamping seatin a sleeved manner, and a movable stop block corresponding to the movable seat is movably connected in the clamping seat in an inserted manner. Treated garbage blocks enter the collecting boxes through a discharging opening, when the uppermost collecting box is full of garbage blocks, the collecting box moves downwards under the action of gravity and is separated from the discharging opening, the collecting box extrude a driven plate and the lifting rod to move downwards through a pressing plate, the lifting rod drives the left end of a rotating plate to deflect downwards, an inclined rod onthe rotating plate extrudes a rudder stock, then the main ring is driven to rotate anticlockwise, the filled collecting box is separated from the discharging opening, meanwhile, the empty collectingbox on the right side is rotated to be aligned with the discharging opening, and the function of automatic replacement is achieved.

The invention relates to an end face cleaner for track pin bushings. The end face cleaner for track pin bushings is characterized by comprising two cleaning support vertical plates, a cleaning support transverse plate, a split brush mechanism, a compressing cylinder and a press plate; the cleaning support transverse plate is fixed between the cleaning support vertical plates; the split brush mechanism is mounted on the cleaning support transverse plate; the compressing cylinder is vertically mounted in the middle of the cleaning support transverse plate; the press plate is mounted below the compressing cylinder. The end face cleaner for track pin bushings is scientific and reasonable in structural design, the end faces of pin bushings can be automatically cleaned by means of brushing, and the end face cleaner for track pin bushings has the advantages of compact structure, high automation level, good cleaning effect and prominent targeted level.

The invention relates to a multi-stage continuous tea fragrance-enhancing machine and a control method thereof. The tea fragrance-enhancing machine comprises a PLC control unit and a primary fragrance-enhancing feeding unit a first incense unit, a primary fragrance-enhancing unit, a cooling feeding unit, a secondary fragrance-enhancing feeding unit, and a secondary fragrance-enhancing unit arranged in the direction of tea processing in order. The machine can quantitatively supply and automatically discharge materials, not only reduces the labor intensity, but also improves the transportation efficiency, and the quantitative feeding ensures the quality of the tea fragrance-enhancing, and realizes the automatic and continuous production of the tea fragrance-enhancing; the machine realizes three-dimensional stereo heating by a up-and-down heating mode in the first fragrance-enhancing unit and the secondary fragrance-enhancing unit, and has strong complementarity, fully utilizing hot air,and has strong penetrating ability. a more uniform temperature field is created, the tea is evenly heated, the machine is not easy to produce sheet, red sheet and broken tea, enhances the quality andaroma of the tea.

The invention discloses a direct-drive circular arc movement platform structure, belonging to the technical field of measurement and automation control devices. The direct-drive circular arc movement platform structure comprises a substrate, a stator mechanism, a circular arc movement platform, a mover mechanism, a grating scale and a grating head, wherein the top of the substrate in the length direction takes the shape of a circular arc, the stator mechanism is fixed on the substrate and corresponding to the length direction side of the substrate, the circular arc movement platform is arranged on the substrate, the mover mechanism is fixed on the circular arc movement platform and matched with the stator mechanism, the grating scale is arranged on the stator mechanism, and the grating head is fixed on the mover mechanism and matched with the grating scale. The direct-drive circular arc movement platform structure has the advantages that: the movement precision and movement stability of the circular arc movement platform can be ensured, and the reliability in transverse movement of the circular arc movement platform can also be ensured; the whole structure is simple and compact thus being conducive to manufacture and assembly; a subsequent control algorithm can be simplified due to the cooperation of the grating head and the grating scale so as to satisfy operating requirements on precise detection, precise manufacture and automation control occasion.