833 results about "Rotation - action" patented technology

The invention belongs to the technical field of multi-stage centrifugal pump production, and particularly relates to an automatic punching system and method for a pump cover of a multi-stage centrifugal pump, all assemblies cooperate with one another, and a clamping assembly is used for clamping a pump cover body and driving the pump cover body to rotate in the horizontal circumferential direction and rotate around the axis of the pump cover body; an H-shaped groove is formed in the pump cover body in a punching mode along the cylindrical spiral line through a notching assembly; the inner spiral supporting body and the outer spiral supporting body are correspondingly conveyed to preset positions on the inner side and the outer side of the pump cover body through the supporting body feeding assembly; the locking assembly is used for bending the protruding pieces defined by the H-shaped grooves towards the inner side or the outer side in a staggered mode, and then an inner locking piece used for locking the inner spiral supporting body and an outer locking piece used for locking the outer spiral supporting body are formed. In this way, the requirements for automatic punching and assembling of the reinforced pump cover are met, the reliability of connection between the pump cover body and the inner spiral supporting body and between the pump cover body and the outer spiral supporting body is high, connection is achieved without additional tedious procedures, and the manufacturing cost is reduced.

The invention relates to a self-adaptive interference pin assembling device and method, and belongs to the technical field of intelligent manufacturing and robotics.The self-adaptive interference pin assembling device designs a three-jaw centering clamp, a rotating disc is connected with three connecting rods, the three connecting rods synchronously move around the center point of the rotating disc, and the connecting rods transmit the rotating action of the rotating disc to sliding blocks; the sliding block is pushed to move towards the center point of the top plate or away from the center point of the top plate; the sliding blocks move to drive the clamping fingers to be opened and closed, opening and closing of the clamping fingers always keep the center of the top plate aligned with the pin, the clamping force can be adjusted, it is ensured that the pin is located at the center position, and high repeated positioning precision is provided. The six-dimensional force sensor is installed at the tail end of the mechanical arm, and force tracking in the assembling process is achieved; in addition, an impedance control law is used in the assembling process, and flexible pin assembling is achieved.

The invention discloses a tail end instrument for minimally invasive surgery, and relates to the technical field of surgical robots. A bearing groove is formed in the top of the bottom base, two wrapping posts are arranged at a port of the bottom base, threading holes are machined in the bottom face of the groove and the bottom ends of the outer sides of the wrapping posts respectively, two connecting arms at the bottom of the middle connecting piece are fixedly connected with the bottom base, and forward and reverse spiral wire grooves are machined in the side wall of a rotating shaft part of the top rotating piece and rotationally connected with the bottom base and the middle connecting piece. A threading hole is machined in the bottom face of an inner cavity, a sliding block is assembled in the inner cavity of the barrel-shaped part, two rope threading channels are machined, a clamp is installed at the top ends of the two supporting arms through a pin shaft, a wire guide wheel is arranged between the two supporting arms, the bottom ends of clamp arms are hinged to the sliding block through a transmission connecting rod, and two driving ropes control opening and closing of the clamp and rotation of a top rotating piece. Only two driving ropes are adopted, one driving rope achieves opening and closing actions of the clamp at the same time, the other driving rope controls the shaft rotation action, and the structural complexity and the operation difficulty of a tail end instrument are reduced.

The present invention discloses a mining blasting drilling device, which comprises a frame, a drilling machine top, a positioning frame, and a slide. A retractable cabin is installed on the frame, a pulling rope is led downward from the side bottom of the retractable cabin, a retractable shaft is installed in the retractable cabin, and the retractable shaft rotates to control the length of the pulling rope led to the outside of the retractable cabin. A driving cabin is installed at the bottom of the drilling machine top, and a lifting seat is installed in the driving cabin. A positioning plate is hingedly installed at the end of the positioning frame. The lifting seat descends and pushes the positioning frame to rotate outward, so as to drive the positioning plate to move outward and fit against the inner wall of the drilled hole. The lifting drive assembly can push the slide and drill rod downward and cooperate with the rotation of the drill rod to complete downward drilling. In the present invention, the pulling rope is gradually retracted and extended, so that the drilling structure penetrates deep into the hole. The entire hole is drilled through multiple descents and drillings. The depth of the drilling is not limited by the length of the drill rod, and the drilling depth can be directly controlled by the pulling rope, thereby improving the efficiency of the entire drilling process.

The utility model discloses a stitching instrument for stitching an endoscope puncture hole. The stitching instrument comprises a handle part and two operating rods which are assembled on the handle part in a rotatable structure, the lower ends of the two operating rods are respectively provided with a convex needle connecting part, and the lower ends of the two operating rods extend out of the guide cylinder of the handle part; in the rotating action of the two operating rods, the needle connecting parts at the lower ends of the two operating rods are folded or unfolded; when the needle connecting parts of the two operating rods are in a folded state, the guide cylinder located at the handle part is in an axial storage coverage range of a trocar channel through which the guide cylinder needs to penetrate during surgical operation; the lower end of each operating rod is provided with a needle mounting base formed in an outward protruding mode, the needle mounting bases are connected with suture needles through detachable structures, and the suture needles are connected to the needle mounting bases in place to form an inflection assembly structure facing the handle part. According to the stitching instrument, the stitching operation is simplified, the stitching safety, flexibility and efficiency are improved, the forming structure of the stitching instrument is simplified, and the practicability is higher.

The invention provides a bottom thread winding device capable of well winding a bottom thread relative to a bobbin. A bottom thread winding device (60) is provided with: a bobbin (20) having a shaft part (23) and disk parts (21, 22) provided at both ends of the shaft part; a rotation mechanism (61) that imparts a rotation action to the spool; and a bottom thread supply mechanism (63) having a nozzle (64) for sending out a bottom thread (D) from a bottom thread supply source together with air, and winding the bottom thread on a shaft portion of the bobbin by rotating the bobbin by the rotating mechanism while sending out the bottom thread toward the bobbin by the bottom thread supply mechanism. The shaft portion of the bobbin is provided with a threading hole (231) penetrating in the direction perpendicular to the shaft portion, and the bottom thread supply mechanism winds the bottom thread after inserting the bottom thread into the threading hole.

The invention relates to the technical field of feed conveying devices, and discloses a feed raw material fine crushing pneumatic conveying device which comprises a crushing barrel shell, and a secondary screening barrel shell is fixedly mounted at the bottom end of the crushing barrel shell. By means of the crushing assembly, feed raw materials fed from the feeding pipe can be crushed again, the crushed feed can be screened through the screening net at the bottom, it can be guaranteed that the feed does not stay on the surface of the screening net while being screened through the trumpet-shaped structure of the screening net, and therefore the blocking condition is avoided; and the top ends of the spiral guiding and conveying pieces rotate around the circular track under the action of air flow, so that all feed raw materials which do not reach the crushing standard can move upwards under the rotation action of the spiral guiding and conveying pieces, and finally are discharged again from the top ends and enter the crushing assembly to be crushed again.

The invention discloses a modularized magnetic type cloth pressing guide roller of a cloth paving machine, and relates to the technical field of cloth paving machines. An adjusting assembly used for adjusting is fixedly arranged on the side face of the front end of the cloth paving machine. The modular guide roller is rotationally mounted at the top of the side face of the adjusting assembly, through physical butt joint of a conical boss and an annular groove on the side face of a guide roller body and the attraction design of a magnetic sealing ring, the modular guide roller can be quickly positioned and connected with the connecting assembly, and the distance between a telescopic pipe and the guide roller body is dynamically adjusted through an electromagnetic driving mechanism of the connecting assembly; the axial connection tightness is ensured; a magnetic suspension system controlled by closed-loop feedback of an electromagnet and the rotating action of a guide roller body are combined, non-contact and zero-friction transmission of cloth is achieved by adjusting the magnetic field intensity in real time and integrating airflow guide and heat dissipation design, and a full-circle low-friction contact interface is dynamically formed by means of a self-adaptive tension compensation structure of a metal wire assembly. And a modular guide roller structure with high reliability and dynamic self-adaptive capability is realized through the synergistic effect.

The utility model discloses a high-flexibility flexible mechanical finger supporting forward and reverse holding and a manipulator. The mechanical finger comprises a middle finger section, a base finger section and an end finger section, wherein the base finger section and the end finger section are rotationally connected with the two ends of the middle finger section respectively. Driving units are arranged in the end finger section, the middle finger section and the base finger section; bevel gear transmission units are arranged at the tail end of the end finger section, the tail end of the middle finger section and the tail end of the base finger section; the driving units are in transmission connection with the corresponding bevel gear transmission units; the driving unit drives the end finger section and the base finger section to rotate by taking the corresponding bevel gear transmission unit as a central shaft; through the structure and position design of the micro driving motor and the bevel gear transmission unit, each finger and each knuckle of the manipulator can be flexibly controlled, so that the manipulator has higher bionic flexibility and more precise grabbing capacity, and can be suitable for different scene requirements; by means of the special inserting mode between knuckles, the left-right hand grabbing function of the single mechanical arm is achieved.

The invention discloses a minimally invasive surgical instrument, and belongs to the technical field of medical instruments, the minimally invasive surgical instrument comprises a tail end tool, an operating part, a power transmission part and a connecting part, the connecting part comprises a linear part connected with the tail end tool, a bending part connected with the operating part and a spherical pair mechanism used for connecting the linear part and the bending part; the inner side of the spherical pair mechanism is provided with an inner path for smooth transition of a jaw wire, the spherical pair mechanism is provided with a rotary limiting shaft and a locking assembly, the rotary limiting shaft is configured to enable the bent part to do pitching rotation action relative to the linear part, the locking assembly comprises a locking unit and a control unit, and the locking unit is configured to provide locking force for the spherical pair mechanism. The control unit is a locking wire for connecting the locking unit and the locking operation part, and the locking operation part is reversely interlocked with the spherical pair mechanism. By adjusting the angle between the linear part and the bent part, the wrist of a doctor is located at a comfortable moving position, so that the flexibility of the wrist in the operation process is improved, and the fatigue feeling of the doctor is reduced.

Embodiments of the present technology may include a system for coating surfaces. The system can include a rotatable nozzle. The rotatable nozzle can include a plurality of output ports. The plurality of output ports can dispense liquid material on surfaces. The system can also include a housing enclosure. The housing enclosure can include a motor. The motor can rotate the rotatable nozzle. The housing enclosure can also include a solid straight pipe passing through the motor. The solid straight pipe can continuously provide the liquid material to the rotatable nozzle concurrently with rotational action.

The invention discloses a vertical corn straw leaf and ear removing device, which belongs to the field of agricultural equipment accessories, comprises a main rotating rubber roller, an auxiliary rotating rubber roller, a transmission device, a motor and other components, and is characterized in that a 75-degree included angle is formed between the plane where the main rotating rubber roller and the auxiliary rotating rubber roller are located and the horizontal plane; the main rotating rubber roller comprises a rapid leaf removing section, a U-shaped ear picking section and a U-shaped ear picking claw, the surface of the rapid leaf removing section is coated with a rubber layer with patterns, the patterns are coarse patterns and can rapidly break skins, and the U-shaped ear picking section adopts a linear groove design parallel to a roller shaft and the protruding U-shaped ear picking claw. Under the relative rotation action of the driving rotating rubber roller and the driven rotating rubber roller, the corn straw leaves and ears are removed through friction force provided by the protrusions of the driving rotating rubber roller and torque of radial transmission, corn ears and leaves are removed at the same time, conditions are provided for subsequent straw skin and pulp separation, and the corn ear and ear removing efficiency is improved. The resource utilization of corn stalk skins and stalks is increased.

The utility model relates to the technical field of steel quality detection, in particular to a quality detection device for high-strength steel, which comprises a shell and an impact component. Through the cooperation of the screw rod and the rotating nut, the impact hammer head can be accurately controlled to move, so that the impact strength is adjusted, through the engagement of the upper end of the screw rod and the rotating nut, the impact hammer head can be controlled to move up and down through simple rotating action, and through the design of a ball and a handle arranged in the rotating nut, the impact strength is adjusted. According to the utility model, through the design of the magnetic attraction clamping seat and the chamfer of the striking hammer head, the transmission path of force is optimized, and the design of the chamfer of the striking hammer head and the magnetic attraction clamping seat is helpful for reducing the stress concentration in the striking process, and the high-strength steel detection device allows the detection of high-strength steel of different specifications and types, and improves the detection efficiency. The problem that the accuracy of evaluating the impact resistance and the fracture toughness of the material is poor due to insufficient detection strength is effectively solved.

The invention relates to the technical field of rubber processing, in particular to a rotary positioning, weighing and stacking device for cold-cut rubber sheets, which comprises a movable base frame comprising a base body, a frame bottom plate and an electric telescopic rod, the base body and the frame bottom plate are in sliding connection, the electric telescopic rod drives the base body to move horizontally, and a mechanical arm is fixedly arranged on the base body; the pallet base component group comprises a top plate, a bottom plate and a bottom plate; the top of the top plate is provided with a bearing pallet; and the wagon balance assembly is used for weighing the load of the top plate. Through a pure mechanical linkage mechanism formed by a lower gear piece, a vertical lead screw piece and the like, switching and resetting of a top plate support between a weighing assembly and a bearing assembly are automatically achieved through rotation action, continuous and stable supporting is guaranteed accurately and synchronously through a gear, a rack and the like, meanwhile, an electric telescopic rod of a movable base frame drives a mechanical arm to avoid, and the mechanical arm is fixed. And the space interference with the rotary pallet is solved.

The invention discloses a dust-raising-preventing unloading machine which comprises a body, the top of the body is in rigid connection with a front girder, an I-shaped steel rail is arranged at the bottom of the front girder, two sets of lifting tractors are slidably connected into the I-shaped steel rail, and the bottoms of the lifting tractors are connected with telescopic steel wire ropes. The tail end of the steel wire rope is fixedly connected with a lifting lug of a discharging grab bucket through a universal joint, the discharging grab bucket slides in the I-shaped steel rail through a lifting tractor to achieve horizontal movement, lifting motion is achieved through stretching and retracting of the steel wire rope, a discharging hopper is arranged in the middle of the body, the upper portion of the discharging hopper is connected with a fully-sealed dustproof mechanism, and the lower portion of the discharging hopper is connected with a material conveying belt. An inductive detector is installed on the body, the inductive detector is in linkage with the servo motor through a PLC, and when the discharging grab bucket enters the detection range of the inductive detector, the rotary opening and closing door is triggered to rotate. And efficient and environment-friendly ship unloading operation is achieved.

The utility model provides a finger mechanism. The finger mechanism comprises a first knuckle, a second knuckle and a harmonic reducer. The second knuckles are rotatably connected with the first knuckles; the harmonic reducer is arranged on the first knuckle, and an output shaft of the harmonic reducer is used for driving the second knuckle to rotate relative to the first knuckle; the harmonic reducer comprises a rigid gear, a flexible gear, a wave generator and an output shaft. The rigid wheel is fixed on the first knuckle; the flexible gear is fixedly connected with the output shaft; the output shaft is rotatably arranged on the rigid wheel; the wave generator is used for receiving the driving force and generating rotation, so that the rigid gear and the flexible gear are matched through the rotation action generated by the wave generator, and the harmonic reducer outwards outputs the decelerated driving force through the output shaft. The utility model further provides the dexterous hand.

The invention discloses a flat top material distribution device of a stocker, relates to the technical field of stockers, and aims to solve the problems of narrow material distribution range, poor flatness and high energy consumption of a traditional stocker. The device comprises a transfer assembly, a discharging assembly and a driving assembly. The transfer assembly comprises a material receiving hopper and feeding blades, and stable transfer and stasis removing of materials are achieved. The discharging assembly comprises a fixed pipe, a flexible pipe, a first discharging pipe and a second discharging pipe, the upper portion of the first discharging pipe is hinged to the first hinge seat, and the first discharging pipe is in butt joint with the fixed pipe through the flexible pipe; the second discharging pipe is arranged on the first discharging pipe in a sliding and sleeving manner, so that the discharging assembly synchronously performs swinging telescopic discharging along with the rotating action of the feeding blades, and the material distribution range is expanded; the driving assembly comprises a center gear, a driving gear and an eccentric driving assembly, feeding power is reused, and meanwhile the discharging assembly is driven to act. Large-area and high-uniformity flat-top stacking can be realized without frequently moving the stacker, and the flat-top stacking machine is suitable for bulk material stacking in multiple scenes such as mines and ports.

The invention relates to a paper roll loading system. The system comprises a truss mechanism; the transverse moving platform assembly is arranged on the truss mechanism; the lifting assembly is driven by the transverse moving platform assembly to transversely move and comprises a connecting support and lifting supports arranged oppositely in the left-right direction, the connecting support is connected to the transverse moving platform assembly, the lifting supports are driven by corresponding lifting mechanisms, the top end of one lifting support is hinged to the connecting support, and the top end of the other lifting support is hinged to the transverse moving platform assembly. The top end of the other lifting bracket is fixedly connected with the connecting bracket; the top end of the rotating assembly is hinged to the bottom ends of the two lifting supports, and the rotating assembly is lifted through the lifting assembly; and the clamping assembly is arranged on the rotating assembly, the clamping assembly is driven by the rotating assembly to rotate, and when the lifting amounts of the two lifting supports are different, the rotating assembly is driven to achieve pitching motion of the clamping assembly.

The utility model provides a portable twisted pair twisting device. The portable twisted pair twisting device comprises a shell, a driving assembly arranged in the shell, a clamping assembly and a manual opening and closing assembly, the clamping assembly and the manual opening and closing assembly are arranged outside the shell, the manual opening and closing assembly controls the clamping assembly to perform opening and closing actions, and the driving assembly controls the clamping assembly to perform circumferential rotation actions. The manual opening and closing assembly and the driving assembly can control the clamping assembly to act independently or cooperatively. The portable twisted pair twisting device provided by the utility model solves the problems of low efficiency and easy finger scratching of the existing twisted pair untwisting mode.

The invention relates to a door cover production line double-layer clamp warehouse, and belongs to the technical field of mechanical conveying equipment, the door cover production line double-layer clamp warehouse comprises a three-dimensional warehouse location, the three-dimensional warehouse location is provided with at least two layers of warehouse locations, and each layer of warehouse location is internally provided with a clamp storage device; and the storing and taking unit comprises a lifting frame and a lifting driving module used for driving the lifting frame to ascend and descend, and a push-pull device used for bearing the clamps and a rotating device used for driving the push-pull device to rotate so as to be in butt joint with the clamp storage device are arranged on the lifting frame. Through mutual cooperation of the three-dimensional storage positions and the access units, efficient storage of multiple sets of clamps can be achieved, the occupied area is effectively reduced, and the space utilization rate is increased. The lifting frame and the rotating device cooperatively operate, vertical lifting and horizontal rotating actions of the clamp can be completed, and each layer of clamp storage device is accurately in butt joint. And the push-pull device can pull the clamp from the external platform to the access unit and can also push the clamp to the specified storage device, so that the switching efficiency is remarkably improved.

The stainless steel pipe multi-dimensional bending equipment comprises a rack, a pipe fitting feeding mechanism and a pipe fitting bending mechanism, the pipe fitting feeding mechanism is arranged on the upper portion of the rack, and the pipe fitting bending mechanism is arranged at one end of the rack; the multi-dimensional stainless steel pipe bending machine has the beneficial effects that the rotating component of the pipe feeding mechanism drives the pipe to rotate around the axis of the pipe, multi-dimensional bending of the stainless steel pipe in different planes can be achieved in cooperation with the cooperative action of the multi-pipe-bending component and the clamping component in the bending mechanism, the posture of the pipe does not need to be manually adjusted, the complex bending requirement is met, and the working efficiency is improved. Each component adopts a sliding rail sliding block or lead screw transmission structure, so that the stability of moving and rotating actions is ensured; meanwhile, the arc groove of the pipe bending block and the clamping groove of the clamping block are both matched with the outer diameter of the pipe fitting, displacement or deformation of the pipe fitting in the machining process can be avoided, and machining errors are reduced; the equipment integrates automatic feeding and bending functions, manual intervention steps are reduced, and continuous machining of pipe fittings can be achieved; and the overall processing efficiency is improved.

The utility model discloses universal joint line polishing equipment which comprises a polishing table, a positioning and supporting device, a polishing mechanism and a horizontal truss, the positioning and supporting device is arranged in the middle of the polishing table along the Y axis, a plastic shell workpiece is clamped on the positioning and supporting device, and the positioning and supporting device can drive the plastic shell workpiece to move along the Y axis. The positioning and supporting device can further drive the plastic shell workpiece to turn over and rotate, and a joint line on the plastic shell workpiece is adjusted to face the position over the plastic shell workpiece; a horizontal truss in the X-axis direction is arranged on the polishing table, a polishing mechanism is installed on the horizontal truss, the polishing mechanism can move on the horizontal truss along the X axis, the polishing mechanism moves along the Z axis to adjust the position, and the surface of a plastic shell workpiece below is automatically polished; the equipment can adjust the angle of a plastic shell product in real time, so that a joint line faces upwards all the time in the machining process and is aligned with a grinding head, full-automatic deburring and grinding machining can be achieved, and high grinding precision is achieved.

The invention discloses an energy-saving full-automatic meat cutting device which comprises a cutting table, a frame, a conveying belt, a fascia removing assembly, a cutting assembly, a separating and connecting assembly and a transmission assembly, the cutting table is used for bearing and installing all the assemblies, and the frame is used for supporting the whole device and guaranteeing the operation stability of the device; the conveyor belt transports the streaky pork through rotation and enables the streaky pork to be processed in a series. The fascia removing assembly can extrude and clamp streaky pork under opposite rotation of the rotating part, the streaky pork is driven by friction force to slide forwards, and in the process, the fascia cutting and collecting part synchronously strips and collects fascia on the streaky pork, so that the fascia is prevented from winding a cutter to influence the cutting precision, the risk of equipment blockage is reduced, and the cutting efficiency of the streaky pork is improved. Meanwhile, the eating taste of the streaky pork can be improved, and the tearing feeling caused by the toughness of fascia during chewing is avoided.

The utility model belongs to the technical field of clothes hanger equipment, and particularly relates to a telescopic rotating type clothes hanger which comprises a mounting plate and a telescopic rod, and a telescopic mechanism and a rotating mechanism are arranged below the mounting plate; the telescopic mechanism is positioned above the rotating mechanism; the telescopic mechanism comprises a pull rope, and the telescopic mechanism achieves the purpose that the pull rope pulls the telescopic rod to ascend and descend in the vertical direction. The rotating mechanism comprises a rotating shaft, and the rotating mechanism achieves the rotating action of the rotating shaft. According to the telescopic rotating type clothes hanger, the rotating mechanism is arranged, one ends of the two connecting rods are rotationally connected with the surface of the connecting block, the other ends of the two connecting rods are rotationally connected with the surface of the sleeve, the sleeve slides up and down along the guide groove, the angle of the connecting rods can be adjusted, the gear is meshed with the rack after the telescopic rod is stretched, and the rotating shaft rotates by 90 degrees; the illumination area of clothes is enlarged, and the problem that the angle of the clothes hanger cannot be adjusted is solved.

The invention provides a full-automatic intelligent loading and unloading vehicle crane pipe, and relates to the technical field of loading and unloading vehicle crane pipes, the full-automatic intelligent loading and unloading vehicle crane pipe comprises a three-axis mechanical arm assembly and a control cabinet, and the control cabinet is arranged on the three-axis mechanical arm assembly; a conveying unit and an oil receiving unit are installed on the three-axis mechanical arm assembly, and a protection unit is installed on the oil receiving unit. The conveying unit comprises a liquid phase part, a gas phase part and a plugging part, and the liquid phase part comprises a tail end oil conveying pipe; the oil receiving unit comprises an oil receiving part and a transmission part; in the process that the three-axis mechanical arm assembly drives all the components to reset, the vertical cylinder reversely slides along with the pushing column and reversely rotates, the oil receiving cup is driven to synchronously reset to the position under the tail end oil conveying pipe, and residual oil dripping from the tail end oil conveying pipe is collected. According to the three-axis mechanical arm assembly, the driving force of the electric cylinder serves as a power source to synchronously drive linkage of the rotation action of the oil receiving cup and the opening and closing action of the arc-shaped movable baffle, and control over the actions of the oil receiving cup and the arc-shaped movable baffle can be achieved without additionally arranging a power source.

The invention relates to a gantry type multidirectional steel and iron dual-purpose rotary pouring type pouring machine, and relates to the field of pouring machines. A slewing mechanism of the casting machine is mounted on a transverse moving vehicle and supports the rotating action of a casting ladle tilting mechanism; the stream inoculation mechanism is located above the casting ladle tilting mechanism and comprises a fixed mounting frame, a horizontal moving frame, a feeding machine, an inoculation pipe lifting frame and a liftable inoculation pipe. The inoculant hopper is arranged at the top of the feeding machine, and the blanking pipe is in butt joint with a feeding hole of the inoculation pipe, so that communication can be kept even when the inoculation pipe ascends and descends; the horizontal moving frame moves in the radial direction of the casting ladle, it is guaranteed that the discharging opening of the inoculation pipe can synchronously move along with the pouring opening of the casting ladle, the relative positions of the discharging opening and the pouring opening are kept unchanged, and the problems of inaccurate molten iron or molten steel pouring and inoculant distribution deviation are solved. In addition, the equipment allows the casting ladle to rotate horizontally, so that the equipment can serve two casting conveying lines which are arranged face to face, and multi-point and multi-azimuth safe and efficient casting operation is achieved.

Disclosed in the present application are a bionic hand and a thumb rotation driving device thereof. The bionic hand comprises a hand shell, a thumb component and at least one finger component, wherein the thumb component and each finger component are arranged on the basis of the hand shell; each finger component comprises a first driving mechanism, a first transmission mechanism and a finger mechanism; and the thumb component comprises a second driving mechanism, a second transmission mechanism and a thumb mechanism. The bionic hand further comprises a third driving mechanism, a third transmission mechanism and a rotary bearing mechanism, wherein the rotary bearing mechanism is connected to the thumb component; and the third driving mechanism is connected to the rotary bearing mechanism by means of the third transmission mechanism and can drive the rotary bearing mechanism to rotate, such that the thumb component can be driven to execute a rotation action. The bionic hand and the thumb rotation driving device thereof provided in the present application can realize electric bending adjustment and rotation adjustment of a thumb, can enrich functions of the bionic hand, and can enable control over the bionic hand to be more automated.

The utility model discloses a blanking device of a specific gravity classificator, which comprises a hopper and a chute, an upper feed port of the hopper is connected with a classificator body, and the chute is horizontally arranged at a lower discharge port of the hopper; the chute comprises a U-shaped chute body and a shaking discharging plate, the shaking discharging plate is arranged in the chute body, the right end, away from the hopper side, of the shaking discharging plate is rotationally connected into the chute body, and the left end of the shaking discharging plate is movably arranged up and down. A shaker arranged in the tank body is connected with the lower part of the left side of the shaking blanking plate; an auxiliary discharging mechanism and an anti-blocking scraping mechanism are installed in the hopper, the anti-blocking scraping mechanism comprises a scraping plate and a rotary driving assembly, and the scraping plate is movably arranged in the mode of being tightly attached to the inner wall of the hopper. A rotation driving assembly installed on the hopper is connected with the scraper and used for driving the scraper to rotate along the inner wall of the hopper. The blanking device can be effectively prevented from being blocked during use, effective conveying of seeds is guaranteed, and the working efficiency of the classificator is improved.

This utility model discloses a water-cooled automotive generator, including a generator body. A quick-connect mechanism is provided at the bottom of the generator body. The quick-connect mechanism includes a support block, a fixing plate, a plug rod, a fixing sleeve, a slider, a locking plate, a locking groove, and a limiting mechanism. The support block is fixed to the bottom surface of the generator body, the fixing plate is fixed to the bottom surface of multiple sets of support blocks, the plug rod is inserted into the fixing plate, the fixing sleeve is inserted into the plug rod, multiple sets of sliders slide within the fixing sleeve, the locking plate is fixed to the bottom end of multiple sets of sliders, and the locking groove is located on the outer wall of the plug rod. The insertion and engagement of the plug rod and the fixing sleeve achieves a quick connection between the generator and the vehicle body. The sliding engagement of the slider within the fixing sleeve, combined with the locking structure of the locking plate and the locking groove, forms a reliable locking system. Operators do not need to use traditional multiple bolts and special tools; they can complete the installation and fixing of the generator simply through insertion and rotation.

The utility model relates to the technical field of rice planting sowing, and discloses a telescopic quantitative sowing mechanism for rice planting field fertilization, which comprises a chassis, the left side of the top of the chassis is fixedly connected with a fixed support, the top end of the right side of the fixed support is fixedly connected with a motor II, and the output end of the motor II is fixedly connected with a transmission wheel. The outer walls of the two transmission wheels are in transmission connection through a transmission belt, a second sliding groove is formed in the right side of the outer wall of the fixing disc, the inner wall of the second sliding groove is in sliding connection with the outer wall of an adjusting handle, and a telescopic mechanism is arranged at the bottom of the bottom disc and used for adjusting a discharging port. According to the adjustable quantitative feeding device, the hole II and the hole I form a leakage hole under the rotation action of the adjusting handle, so that the falling amount of a fertilizer is adjusted, and the requirement of rice growth on overall nutrients can be better met through the adjustable quantitative feeding device according to specific operation requirements.