147results about How to "Compact and ingenious structure" patented technology

The invention discloses an automatic mahjong machine. The automatic mahjong machine comprises a shuffling mechanism, a conveying mechanism, a tile stacking, lifting and pushing mechanism, a rail mechanism, a tile sending driving mechanism and a tile sending mechanism; the conveying mechanism, the tile stacking, lifting and pushing mechanism, the rail mechanism, the tile sending driving mechanism and the tile sending mechanism are arranged at the periphery of the mahjong machine; an input end of the conveying mechanism is arranged at the edge of the shuffling mechanism; an output end of the conveying mechanism is connected with an input end of the tile stacking, lifting and pushing mechanism; the rail mechanism is arranged above the stacking mahjong pushing mechanism; an input end of the rail mechanism is connected with an output end of the tile stacking, lifting and pushing mechanism; an output end of the rail mechanism is connected with an input end of the tile sending mechanism. The automatic mahjong machine has the advantages of being compact and skillful in structure, stable in operation, reasonable in cost control and long in service life.

The invention discloses an article defect detection system and method based on machine vision. The system comprises a feeding device, a conveying device, an image obtaining device and a control and image processing module. The feeding device and an inlet of the conveying device are in butt joint, the feeding device and the conveying device are installed on a rack, the feeding device is used for conveying an article to be detected to the conveying device, and the conveying device is used for conveying the article to be detected to a detection station. The action of the feeding device and the action of the conveying device are controlled by the control and image processing module. The image obtaining device is arranged on the rack and used for obtaining an image of the article to be detected at the detection station and transmitting the image into the control and image processing module for image processing so as to judge whether the corresponding article to be detected has a defect or not. The system is compact in structure, abundant in function, capable of detecting various defects of articles, ingenious in concept and capable of being easily implemented on a high-speed detection line.

The invention discloses an outdoor and indoor dual-purpose multifunctional bodybuilding chair, which comprises handrails, a seat plate, chair legs, a backrest, a leg building mechanism and a backrest force transferring mechanism, wherein the leg building mechanism comprises a first rod, a second rod, a third rod, a fourth rod, a semicircular fixed rocker bar bearing, a torsion spring and an arc-shaped limiting block; and the backrest force transferring mechanism comprises a compression spring, a spring guide rod, a rotating-moving mixed hinge and a triangular rocker bar bearing. When the bodybuilding chair is in use, the lower body muscles of a human body are exercised by lifting legs under the action of the reaction torque of the torsion spring, and the upper body muscles of the human body are exercised by performing sit-up under the compressive reaction force of the compression spring. By performing repeated exercise, the effect of building the whole body is achieved. The bodybuilding chair is accordant with the human body sport dynamics. Local fatigue of a user is prevented. Moreover, all stress members are arranged on the back face of the seat plate of the bodybuilding chair, so that the bodybuilding chair has a compact and skillful structure, has the characteristic of compact appearance, and can be taken as an indoor household bodybuilding instrument, an outdoor public bodybuilding instrument as well as an office chair.

The invention discloses a kitchen waste integrated processing method and equipment thereof. According to the method, kitchen waste is naturally filtered for the first time, and naturally filtered-out liquid is removed; the kitchen waste with high viscosity is squeezed and filtered through a screw for the second time, the liquid capable of being separated out through squeezing is separated out, and waste residues are obtained; the obtained waste residues and basal feed with adsorbability are mixed to form a mixture containing oil and water, and animal feed is obtained after drying and forming; and the naturally filtered-out liquid and the liquid separated out through squeezing are subjected to oil and water separation. The equipment comprises a machine frame, a pre-processing system and an oil and water separation system, wherein the pre-processing system and the oil and water separation system are arranged on the machine frame. The equipment is compact and ingenious in structure and small in size. When the kitchen waste is rapidly converted into the animal feed, high-degree dehydration before forming is not needed, proper oil and water in the residues are reserved, nutrition of the animal feed is improved, and excessive consumption of resources caused by high-degree dehydration is avoided. The processing equipment is simplified, the process steps are reduced, the process period is shortened, the cost is low, and the conversion efficiency is high.

The invention discloses an automatic overturning machine for a material box. The automatic overturning machine comprises a rack, an oblique collecting hopper is arranged in the rack, and the collecting hopper is installed on the rack through a damping spring and a tensioning bolt. An overturning device is arranged at the position, corresponding to a feeding port of the collecting hopper, of the rack, and a pressing device is arranged at the position of a feeding port of the overturning device. During use, the material box containing materials is placed in the overturning device, the pressing device moves along with the overturning device after pressing the material box, and the material box can achieve discharging after being overturned in the collecting hopper. The overturning machine can replace manual operation, the operation that parts in different material boxes are transferred into other special material boxes through the overturning machine can be completed, no other manual operation and judgment link are needed, and the purpose of fast box changing of the parts is achieved. The automatic overturning machine has the beneficial effects that the structure is simple, the production cost is low, and operation is simple; and the production efficiency is improved, and the danger of box toppling is lowered.

The invention discloses a fracturing pump transmission system. The fracturing pump transmission system comprises a motor, a front transmission shaft, a gearbox, a rear transmission shaft and a fracturing pump, wherein the motor is connected with the front transmission shaft; the front transmission shaft is connected with an input shaft of the gearbox; a main output shaft of the gearbox is connected with the rear transmission shaft; and the rear transmission shaft is connected with the fracturing pump. The invention further provides an electric fracturing pry. According to the fracturing pump transmission system and the electric fracturing pry disclosed by the invention, the motor and the gearbox are combined, thus changing the traditional speed regulation principle of a motor and a frequency converter, and improving transmission stability, safety performance and transmission efficiency; and compared with a diesel engine, the fracturing pump transmission system and the electric fracturing pry are non-spark, and low in vibration and noise during working.

An electric / manual opening / closing display-type mechanical-retention electromagnetic valve comprises a valve body, a diaphragm-type valve core cover, a valve cover, a valve core rod, a valve core shell, a static iron core and an electromagnetic coil. An upper lock sleeve and a lower lock sleeve, which are sleeved around the valve core rod and engaged with each other by slant teeth, and a valve core rod mechanical retention mechanism, which is fixed on the inner wall of the valve core shell and consisting of outer lock sleeves, are arranged inside the valve body. A sealed isolation device is also arranged inside the valve body to isolate the valve core rod mechanical retention mechanism from the working media. The upper end of the valve core rod is connected with a manual handle. A valve shell is provided thereon with a dry reed tube and an indicator lamp, which are engaged with a short magnetic column inside the valve core rod. The invention has the advantages of smart and compact structure, small size, flexible and reliable operation, and less power consumption. Additionally, the electromagnetic valve can automatically display the opening / closing state, to facilitate the monitoring of work conditions. Furthermore, the valve core rod mechanical retention mechanism is independent from the working media, can work more stably and reliably with long service life. The device can be operated manually under the condition of power failure.

The invention relates to a self-adaptive laser far field power density control device. The device comprises a beam collimating assembly, a focusing assembly with a focusing lens, a fixed concave mirror, a combination lens, a fast mirror and an off-axis paraboloid mirror which is used for emitting laser in parallel, wherein the beam collimating assembly, the focusing assembly with the focusing lens, the fixed concave mirror, the combination lens, the fast mirror and the off-axis paraboloid mirror are sequentially arranged along the laser emitting direction. The combination lens is formed by sequentially gluing a meniscus lens and a plano-convex lens in the laser emitting direction, and the convex surface of the meniscus lens and the plane of the plano-convex lens are close to each other. According to the invention, a single mobile concave mirror is used as an eyepiece group; the fixed concave mirror and the combination lens composed of the meniscus lens and the plano-convex lens form an objective lens group; during a laser focusing process, the position of the objective lens group is fixed, the single mobile concave mirror arranged on a precision rail as the eyepiece group is simply moved; and the optical focusing assembly provided by the invention has the advantages of compact structure, sensitive response and high control accuracy.

A traditional common mould used for carrying out bending-compression assembly between two parts comprises two moulds: a transversal bending mould and a longitudinal bending mould, which has a fussy and complicated assembly process and low production efficiency. The invention provides a bending-compression mould, which comprises a lower positioning concave die and a lower punching die matched withthe lower positioning concave die for use, and is characterized in that an upper push plate and a connecting block are arranged above the lower punching die; the bottom part of the connecting block is fixedly arranged on the upper surface of the upper push plate; the lower punching die and the upper push plate are connected through a plurality of guide posts penetrating through the upper push plate; the bottom part of each guide post is fixedly connected onto the lower punching die; the top part of the guide post is provided with a stop block; a plurality of booster springs and a plurality ofpre-stressing springs are arranged between the upper push plate and the lower punching die; a plurality of transversal bending tools are fixed at the bottom part of the lower punching die; a plurality of longitudinal bending tools penetrating the lower punching die are fixed on the upper push plate; and the tool bits of the longitudinal bending tools are arranged next to the side walls of the transversal bending tools. By adopting the bending-compression mould, the process is simplified, and the production efficiency is improved.

The invention provides a method for disconnecting a lead by a live-line work robot. Based on a main mechanical arm, an auxiliary mechanical arm and a camera used for collecting image data of a workingscene on a robot platform, the mechanical arms are controlled through a control room to complete the following work: the auxiliary mechanical arm clamps the lead; the main mechanical arm firmly grasps a wire clamp, a pneumatic wrench at the tail end of the main mechanical arm aligns to a nut on the wire clamp and unscrews the nut; the auxiliary mechanical arm clamps the lead, enables the lead tobreak away from the wire clamp and then clamps the lead to be away from the working area; and the main mechanical arm enables the wire clamp to break away from a wire and places the wire clamp in a toolbox. According to the invention, the lead supported and connected to the wire is disassembled through the mechanical arms of the live-line work robot under the condition that the power is not interrupted, so that negative effects brought about by power interruption are avoided, and the reliability of power supply is improved.

The invention discloses a tile stacking, lifting and pushing system of a mahjong machine. The tile stacking, lifting and pushing system of the mahjong machine comprises a machine head box, a motor frame, a motor, a tile pushing scored pulley, a swing piece, a vertical sliding rod, a vertical sliding block, a tile receiving seat connection rod, a tile receiving seat, a horizontal sliding rod, a horizontal sliding block, a tile pushing head connection rod, a tile pushing head and a mahjong blocking seat; one side of the tile pushing scored pulley drives the swing piece to drive the vertical sliding rod to perform lifting motion; the other side of the tile pushing scored pulley drives the horizontal sliding rod to perform horizontal motion. According to the tile stacking, lifting and pushing system of the mahjong machine, the purpose of sending mahjong tiles into a guide rail above a tile pushing component and a conveying component is achieved easily and ingeniously due to matching of the tile-pushing scored pulley and the like, a tile lifting motion is added between a tile stacking motion and a tile pushing motion, the structure is compact and ingenious, the tile stacking motion, the tile-lifting motion and the tile-pushing motion can be achieved just through one motor, the operation is stable, and cost control is reasonable. In addition, signal magnetic steel is matched with a Hall element, so that automatic detection and intelligent control can be achieved, overload operation of the motor can be prevented, and service life of the device can be prolonged.

The invention provides a pipe feeding device which comprises a rack, an electric control module, a storage bin, a pipe jacking assembly and a pipe pushing assembly. The pipe jacking assembly comprisesa lifting plate and a first power part; the first power part is arranged on a first side plate of the rack and connected with the lifting plate, and the lifting plate is driven to ascend and lifts pipe bodies provided at the storage bin; the pipe pushing assembly comprises a first pushing block and a second power part; a first side plate of the rack is provided with a through hole, and the through hole is higher than the stacking height of the pipe bodies; the first pushing block is inserted into the through hole; the second power part is in transmission connection with the first pushing block and drives the first pushing block to stretch and retract in the through hole; and during the lifting process of the lifting plate, when the distance between the lifting plate and the first pushingblock is larger than the outer diameter of one pipe body and smaller than the sum of the outer diameters of the two pipe bodies, the second power part drives the first pushing block to extend out fromthe through hole firstly and then retract. The device is compact and ingenious in structure, full-automatic pipe feeding is realized, the condition of excessive feeding is effectively avoided, and the production efficiency is greatly improved.

The invention belongs to the technical field of mechanical transmission and particularly relates to a parallel gear shifting mechanism of a transfer case. A piston A, a piston B and a piston C are disposed in a cylinder body and can move freely. The piston A is located on the right of the cylinder body. The piston C is located on the left of the piston A. The piston B is connected with the piston C through a spigot. One end of a gear shifting shaft is fixed to the piston A, the piston B and the piston C. The other end of the gear shifting shaft is inserted into the inner hole of a cylinder cover and integrally fixed with a conical sleeve. A signal switch is disposed on the cylinder cover. A shifting fork is located in the middle of the gear shifting shaft and integrally fixed with the gear shifting shaft. A locking mechanism is disposed on the shifting block and in the middle of the cylinder cover. Three inflating inlets I, II and III respectively corresponding to the piston A, the piston B and the piston C are formed in the cylinder body. When inflation is performed respectively through the inflating inlets I, II and III, the corresponding pistons are pushed to move by air pressure, the gear shifting shaft and the shifting fork are then driven to move, and the contact of the signal switch contacts with the conical sleeve to give out corresponding indications when corresponding gears are reached.

An explosive and powder flaking production system comprises a rack (1), an explosive charging and distributing device connected with the rack (1), a material transferring device connected with the rack (1), a compression molding device and a flake discharging device. The explosive charging and distributing device comprises a conveying rail (2), a medicine box case conveying frame (3), a medicine box case conveying air cylinder (4), a medicine box case (5), a medicine box (6), a rotating air cylinder (7), a first jacking air cylinder (8), a second jacking air cylinder (9), a charging rotating air cylinder (12), a charging shifting air cylinder (13), a clamping air cylinder (14), a distributing plate (16), a medicine hopper (17), a distributing quantifying plate (18), a distributing quantifying plate transposition air cylinder (19) and a receiving jacking air cylinder (20). The material transferring device comprises a servo motor (29), a rotating lower platform (30), a rotating platform jacking air cylinder (31), a rotating upper platform (32) and a charging mechanism.

The invention discloses a pressure transmission sealing coupler. The coupler comprises a base in which an axial cavity is formed, wherein a rotating shaft which is provided with an input shaft interface and an output shaft interface passes through the axial cavity; the output shaft interface is positioned above the whole mechanism, and the input shaft interface is positioned below the whole mechanism; a bearing component and a base oil seal positioned above the bearing component are arranged between the rotating shaft and the base; and the base oil seal is provided with a waterproof pressure reducing sealing component which is compacted with the base oil seal, has an annular integral structure and is sleeved at the periphery of the rotating shaft and connected with the base. The waterproof pressure reducing sealing component is arranged, so that the bearing component in the coupler smoothly rotates and is prevented from being blocked, worn and burnt out even if the coupler works in an environment filled with particle impurities, and the service life of parts is prolonged; zero leakage is achieved, and the coupler has a good pressure reducing effect and a good axial movement prevention effect when working in a pressure transmission mode; and the coupler has a smart and compact structure and a wide application range, and can be applied to various shaft coupling occasions.

The invention aims to provide a ceiling fan with changeable fan blades so as to make the structure of the ceiling fan more attractive and reduce accumulated dust on the fan blades. The ceiling fan comprises a motor, a flange hanging head, a fixed blade fork cover and fixed fan blades. The ceiling fan is characterized in that the ceiling fan further comprises a movable blade fork cover and movable fan blades fixed to the movable blade fork cover; the movable blade fork cover and the fixed blade fork cover are arranged in the axial direction of the motor and rotationally connected with each other; the number of the fixed fan blades is equal to that of the movable fan blades, and the distribution angles of the fixed fan blades and the distribution angles of the movable fan blades are the same; the ceiling fan is provided with a limiting structure, so that the fixed fan blades and the movable fan blades are in a staggered state when the motor rotates; and the ceiling fan is further provided with a reset structure, so that the fixed fan blades and the movable fan blades are in an aligned state when the motor stops rotating. The ceiling fan with the changeable fan blades is provided with the fixed fan blades and the movable fan blades, and the ceiling fan is ingenious and compact in structure, convenient to mount, reliable in operation and excellent in practicability.

The invention discloses an ultrasonic riveting system for a motor carbon brush sleeve. The ultrasonic riveting system comprises a supporting base, wherein a transfer mechanism which can perform rotarymotion is arranged on the supporting base; four carbon brush positioning mechanisms are uniformly distributed on the transfer mechanism in sequence, and each positioning mechanism corresponds to onestation in distribution; the four stations are separately a loading and unloading station, a preparing station, a riveting station and a detecting station; an in-place identifying mechanism for detecting a carbon brush rack and the carbon brush sleeve is arranged at one side of the loading and unloading station; a riveting mechanism is arranged at one side of the riveting station; a carbon brush height automatic detecting mechanism is arranged at one side of the detecting station; and the riveting mechanism, the carbon brush height automatic detecting mechanism and the in-place identifying mechanism are fixedly arranged on the upper surface of the supporting base. Targets of being precise in riveting point positions, improving detecting precision, improving process capability, improving production efficiency and the like are realized by adopting a multi-point synchronous ultrasonic riveting mode for an assembly of the motor carbon brush rack and the carbon brush sleeve and adopting anautomatic detecting and judging method for height of the carbon brush sleeve.

The invention discloses a tree-like layered breeding cage. A net cover of the breeding cage is fixed between a top cover and a bottom disc and connected with a support column through a connecting bolt. A connecting column is located in the net cover, the connecting column is provided with upward inclined attaching layers which face the two sides of the connecting column and face outward, and the attaching layers are distributed in an intersected mode in a tree-like shape. To-be-bred abalone can be placed on the several attaching layers to be bred, feed is put in from a feeding hole when the abalone is fed with the feed, the feed falls from the attaching layer on the upper portion and is distributed layer by layer, in this way, the abalone in each layer can be fed and the abalone does not need to crowd to be fed. The cage is compact and ingenious in structure, through the tree-like layered structure and the attaching layers, the breeding rate in the unit area of the breeding cage can be greatly improved, the aquaculture water area and the capital investment of breeders can be reduced, and the profits of aquaculture enterprises can be effectively improved.

The invention discloses a conveying and self-rotating device and method for a cylindrical or columnar object. The conveying and self-rotating device comprises a chain type conveying mechanism. The chain type conveying mechanism comprises chains (62), chain drive wheels (61), axles and conveying rollers (63). The chain drive wheels are installed on a rack through the axles. The two chains are arranged, the multiple conveying rollers are arranged between the two chains, the arrangement direction of the conveying rollers is perpendicular to the moving direction of the chains, one to-be-conveyed cylindrical or columnar object can be contained between every two adjacent conveying rollers, and at least two sets of chain drive wheels are arranged. The two chain drive wheels are arranged in each set, the two chains are tensioned on the chain drive wheels, and the chain drive wheels drive the two chains so that the conveying rollers can be driven to cyclically move so as to convey the cylindrical or columnar object. The conveying and self-rotating device further comprises a self-rotation drive mechanism used for driving the cylindrical or columnar object to rotate by itself. The conveying and self-rotating device can guarantee that the cylindrical or columnar object can smoothly enter a detection station, and the structure is novel and compact.

The invention discloses a foreign body net tongs structure for use in surgical operation. The foreign body net tongs structure comprises a pneumatic control handle, a tongs body and a connection tube, wherein the connection tube is used for connecting the tongs body with the pneumatic control handle; the tongs body consists of an oval bag body and a circular tube joint b which is integrally connected to one end of the bag body in a long-axle direction; the bag body has a hollow structure; a circular nip is formed in the wall surface of the other end of the bag body in the long-axle direction; the diameter of the nip is smaller than the length of a short axle of the bag body; a telescopic tube is molded on the inner circumference of the nip; a plurality of support tubes are uniformly molded on the inner wall of the bag body in the long-axle direction; one end, which is far away from the tube joint b, of each support tube is communicated with the telescopic tubes; one end, which is close to the tube joint b, of each support tube is connected together, and is communicated with the tube joint b. The tongs body structure is compact and skillful, one-step machining and molding can be realized through 3D (three-dimensional) printing, the outer wall of the tongs body is smooth and oval, the stimulation and injury to in-vivo tissue vessels are small, and different sizes of tongs bodies can be machined in order to adapt to different positions.

The invention discloses a foreign body net clamp for surgical operation. The clamp comprises a pneumatic control handle, a clamp body, and a connection pipe connecting the clamp body with the pneumatic control handle, wherein the clamp body is formed by an ellipsoid capsule and a circular tubular pipe joint b which is integrally connected to one end of the long axial direction of the capsule; the capsule is of a hollow structure; a round clamp opening is shaped in the wall surface of the other end of the long axial direction of the capsule; the diameter of the clamp opening is smaller than the length of the short shaft of the capsule; a telescopic pipe is shaped in the inner circumference of the clamp opening; multiple supporting pipes are uniformly shaped in the inner wall of the capsule along the long axial direction; one end, far away from the pipe joint b, of each supporting pipe is connected with the telescopic pipe, the ends, close to the pipe joint b, of the supporting pipes are connected and are communicated with the pipe joint b. The clamp body is compact and ingenious in structure; once processing shaping can be realized through 3D printing; the external wall of the clamp body is smooth and in an elliptical sphere shape; the stimulation and damage to in vivo tissue pipelines is little; the size of the clamp body can be processed into various sizes so as to adapt to different parts.

The invention discloses a screw tightening shaft device capable of rotating and conducting reciprocating linear movement and relates to the field of screw assembling tools. The screw tightening shaft device comprises a rotating and reciprocating linear movement mechanism, a screw distance limiting mechanism and a screw capturing mechanism. The rotating and reciprocating linear movement mechanism is installed in a rotating plate, a first oil-free lining and a second oil-free lining. A first compression spring completes automatic returning after a screw tightening shaft moves. The screw distance limiting mechanism is connected with a guiding pipe through a positioning guiding sleeve and descends along with the screw tightening shaft, and when the screw distance limiting mechanisms descends by a fixed distance, the limiting plate prevents the screw distance limiting mechanism from descending continuously, a second compression spring works, and a screwdriver descends continuously and makes contact with a screw. The screw grabbing mechanism is connected with the positioning guiding sleeve through a magnetic ring fixing part, and the screw is grabbed magnetically. The screw tightening shaft device is ingenious and compact in structure, is applied to an assembling line of domestic electric appliances, and is capable of achieving automatic assembling, effectively improving the product assembling quality and production efficiency and lowering the production cost.

The invention discloses an automatic feeding device for an industrial production line and a control method. The feeding device comprises a feeding platform and a feeding mechanism, wherein the feeding mechanism comprises a straight vibration base, a feeding channel, a blocking cylinder, a turntable and a pushing mechanism, wherein the feeding channel is arranged on the straight vibration base mounted on the feeding platform; the blocking cylinder is located at the outlet end of the feeding channel; the edge of the turntable is provided with a circumferential arc-shaped channel, and the central angle where the arc section of the arc-shaped channel is relative to the circle center of the turntable is 90 DEG; an inlet of the arc-shaped channel is abutted with the outlet end of the feeding channel; and an outlet of the arc-shaped channel is provided with the pushing mechanism used for pushing materials output from the arc-shaped channel to detecting equipment. The feeding device is novel and compact in structure, capable of realizing automatic feeding of the materials and high in efficiency and automation degree.

The invention discloses an optical fiber grating-based acoustic emission detection device. The optical fiber grating-based acoustic emission detection device comprises an acoustic emission device, anoptical fiber detection module, a piezoelectric sensor, a preamplifier and a data acquisition module; (1), an acoustic emission module comprises an exciter for generating an acoustic signal and a substrate as an acoustic propagation medium; (2), the optical fiber detection module comprises a light source, an optical coupling module, an optical fiber grating sensor and a photoelectric conversion module; (3), the acoustic emission detection device further comprises an alternative analog switch; the optical fiber grating sensor and the piezoelectric sensor are arranged on the substrate. The optical fiber grating-based acoustic emission detection device is compact in structure, can flexibly select the sensor, and has rich functions.

In order to ensure the technological process safety, a switch valve for an energy-containing liquid material conveying pipeline reduces the force stimulating effect as much as possible during valve core action, and a pipe clamp valve is generally selected. For the common pipe clamp valve, a sleeve is arranged inside a valve body, and the conditions of sleeve abrasion degree and whether the leakage exists or not are difficult to be directly observed, so that certain potential safety hazard exists when energy-containing liquid materials are conveyed. For the existing pipe clamp valve, under the unexpected conditions such as driving force loss (such power supply or gas source cutting off), the valve opening state is difficult to determine, and the accident occurrence can be caused. The invention provides a normally closed pneumatic pipe clamp tightly locked by the spring force, and solves the problems. The normally closed pneumatic pipe clamp comprises slide sleeves (1), guide shafts (2), a connecting plate (3), a case (4), regulating pins (5), springs (6), an air cylinder (7), an air cylinder installing plate (8), press heads (9) and position limiting sleeves (10).

The invention discloses a tile stacking, lifting and pushing system of a mahjong machine. The tile stacking, lifting and pushing system of the mahjong machine comprises a machine head box, a motor frame, a motor, a tile pushing scored pulley, a swing piece, a vertical sliding rod, a vertical sliding block, a tile receiving seat connection rod, a tile receiving seat, a horizontal sliding rod, a horizontal sliding block, a tile pushing head connection rod, a tile pushing head and a mahjong blocking seat; one side of the tile pushing scored pulley drives the swing piece to drive the vertical sliding rod to perform lifting motion; the other side of the tile pushing scored pulley drives the horizontal sliding rod to perform horizontal motion. According to the tile stacking, lifting and pushing system of the mahjong machine, the purpose of sending mahjong tiles into a guide rail above a tile pushing component and a conveying component is achieved easily and ingeniously due to matching of the tile-pushing scored pulley and the like, a tile lifting motion is added between a tile stacking motion and a tile pushing motion, the structure is compact and ingenious, the tile stacking motion, the tile-lifting motion and the tile-pushing motion can be achieved just through one motor, the operation is stable, and cost control is reasonable. In addition, signal magnetic steel is matched with a Hall element, so that automatic detection and intelligent control can be achieved, overload operation of the motor can be prevented, and service life of the device can be prolonged.

The invention discloses a head-wearing OCT (optical coherence tomography) imaging system for a free moving animal, which comprises a base, a bracket, an optical fiber for conducting light, a focusing lens and an MEMS (Micro Electro Mechanical System) scanning mirror, wherein the base is provided with a light transmission channel vertically arranged in an extending manner; the bracket is fixed at the upper part of the base in a detachable manner; one end of the optical fiber is connected with an external OCT system and the other end of the optical fiber is connected to the bracket; the focusing lens is fixed on the bracket and is positioned above the light transmission channel; the MEMS scanning mirror is mounted on the bracket and can reflect the light conducted by the optical fiber from the external OCT system to the position of the focusing lens. The imaging system is light and small in body form, can be worn at the head of the animal, can implement clear cortex structure and function imaging in a free motion state, and the head-wearing OCT imaging system for the free moving animal appears for the first time in a current OCT imaging technology in the application field.

The invention discloses an automatic mahjong machine. The automatic mahjong machine comprises a shuffling mechanism, a conveying mechanism, a tile stacking, lifting and pushing mechanism, a rail mechanism, a tile sending driving mechanism and a tile sending mechanism; the conveying mechanism, the tile stacking, lifting and pushing mechanism, the rail mechanism, the tile sending driving mechanism and the tile sending mechanism are arranged at the periphery of the mahjong machine; an input end of the conveying mechanism is arranged at the edge of the shuffling mechanism; an output end of the conveying mechanism is connected with an input end of the tile stacking, lifting and pushing mechanism; the rail mechanism is arranged above the stacking mahjong pushing mechanism; an input end of the rail mechanism is connected with an output end of the tile stacking, lifting and pushing mechanism; an output end of the rail mechanism is connected with an input end of the tile sending mechanism. The automatic mahjong machine has the advantages of being compact and skillful in structure, stable in operation, reasonable in cost control and long in service life.

The invention discloses a delivery table transmission method and an electric delivery table. The delivery table transmission method includes transmission methods of a lifting table and an auxiliary table. The transmission method of the auxiliary table includes that a motor drives a screw to rotate clockwise, and the auxiliary table is enabled to integrally move in a guide groove of a middle tank by the aid of elasticity of air rods; when the auxiliary table moves to the required position, an outer frame of the auxiliary table stops moving, an inner frame of the auxiliary table keeps moving under the action of the screw, the air rods are compressed to allow a scissors fork lifting mechanism to rise and thus drive the auxiliary table to rise. The motor rotates anticlockwise, the scissors fork lifting mechanism descends under the action of stretching of the air rods and the anticlockwise rotation of the screw, the screw keeps rotating anticlockwise to pull the stretched air rods, and thus the auxiliary table moves back and stops at the required position. The delivery table comprises a base, a lifting table is arranged on the base and provided with an adjustable back plate and a cushion plate, and an auxiliary table transmission structure is arranged on the inner side of the lifting table. The delivery table can automatically operate and is convenient in use, simple in operation and stable to operate.