35results about How to "The transmission structure is stable and reliable" patented technology

The invention provides a five-degree-of-freedom artificial hand mechanism, relates to an artificial hand mechanism and aims to solve the problems that the conventional artificial hand has single degree of freedom and cannot realize independent movement of each finger. Five drivers, five reducers and a palm circuit board are all integrated in a cavity of a palm; a thumb driver and a thumb reducer are arranged along a width direction of the palm, the four drivers except the thumb driver and the four reducers except the thumb reducer are arranged along a length direction of the palm, and a wrist and the palm are rotatably connected relatively; each driver is in transmission connection with the corresponding reducer, and the reducer is in transmission connection with a corresponding transmission mechanism; and a rotating part of each potentiometer is connected with the corresponding transmission mechanism, and the transmission mechanism is supported on a corresponding substrate. The five-degree-of-freedom artificial hand mechanism has five degree-of-freedom, and improves the flexibility of the artificial hand; and due to the simple and reliable transmission, relative motion of each finger is realized, and adaptive grasping of objects of different shapes and sizes is also realized.

The invention relates to an intelligent lock and a method. The intelligent lock comprises a shell, a lock tongue, a handle, a main lock driving mechanism, an auxiliary lock driving mechanism and a control unit. The main lock driving mechanism and the auxiliary lock driving mechanism are connected with the control unit, the control unit is connected with an electronic key in a wireless mode, and the main lock driving mechanism is connected with the handle; the lock tongue is transversely installed in the shell, the main lock driving mechanism and the auxiliary lock driving mechanism are installed on the portions, at the two sides of the lock tongue, in the shell respectively, a lock cylinder is installed on the portion, at one side of the auxiliary lock driving mechanism, in the shell, a cam is coaxially installed on the lock cylinder, the main lock driving mechanism and the auxiliary lock driving mechanism are connected with the lock tongue and can drive the lock tongue to move transversely to achieve unlocking. The intelligent lock integrates electronic and mechanical unlocking modes, an electronic lock body is used normally, and when the electronic lock breaks down, a mechanical lock body is started. By means of the unlocking mode of the intelligent lock, technological lock picking mechanically carried out on the lock cylinder transmission part can be effectively prevented. The safety and reliability of the lock are improved, and application of the lock becomes wider increasingly.

The invention discloses a rocking recovery type traction bed which comprises a bedstead, a bed surface and a traction device. The bed surface comprises a bed board arranged at the top of the bedstead, an upper body fixing board is arranged on the upper half portion of the bed board, an arc rail and an arc groove are transversely formed in the lower half portion of the bed board in parallel, a lower body fixing board is arranged on the arc rail, and the two sides of the lower body fixing board are provided with lower body traction boxes. The traction device comprises an upper body traction motor and motor and retarding mechanisms, wherein the upper body traction motor is arranged in a bedside box at the head of the bedstead, the motor and retarding mechanisms are arranged on motor supporting boards at the bottom of the bedstead and connected with one end of a crank, a sliding block with a hole is arranged at the other end of the crank and arranged on a long rocker in a sleeved mode, one end of the long rocker penetrates through the arc groove to be fixedly connected with the lower body fixing board, and the other end of the long rocker is connected with the bed board. According to the rocking recovery type traction bed, longitudinal traction movement is separated from rocking of the horizontal plane, longitudinal traction stretching of the upper body of a patient is achieved through a pair of bandages, and horizontal rocking of the lower body of the patient is achieved through one bed board.

The invention discloses a hydraulic piling machine pile controller which comprises a pile controller box body and a pile controller verticality adjusting mechanism connected with the pile controller box body. The pile controller box body comprises a control box body. A left swing arm hinge lug and a right swing arm hinge lug are arranged on the two sides of the control box body in a mirror-image mode. Clamping mechanisms are arranged on the left swing arm hinge lug and the right swing arm hinge lug. The pile controller verticality adjusting mechanism comprises a lower flange disc matched with the control box body in a rotating mode. The lower flange disc is connected with an upper flange disc through a periphery-arranged bolt. A longitudinal-shaft-surrounding verticality adjusting hydraulic cylinder is arranged on one side of the lower flange disc. One end of the longitudinal-shaft-surrounding verticality adjusting hydraulic cylinder is connected with a first longitudinal-shaft-surrounding verticality adjusting hydraulic cylinder hinge lug fixed at the bottom of the lower flange disc. The hydraulic piling machine pile controller is simple in structure, a left swing arm and a right swing arm are used for clamping and guiding a precast pile, the whole transmission structure stability and reliability are guaranteed, guiding performance is high, when a first pile is implanted, clamping locating is carried out through the pile controller, a guiding function is achieved during a precast pile implanting process, when a following pile is implanted, clamping of the ends of the two precast piles can be carried out through the pile controller, and coaxial connecting between the piles is carried out.

The invention provides efficient palletizing equipment for corrugated boards. The palletizing equipment can achieve automatic palletizing, so that the working efficiency is greatly improved, and the labor intensity of workers is reduced. The palletizing equipment comprises a main rack and an auxiliary rack, wherein a first conveyor belt is arranged on the auxiliary rack; a feeding mechanism for the corrugated boards, a turnover mechanism and a conveying mechanism are arranged on the main rack; an inclined second conveyor belt is also arranged below the conveying mechanism; a material receivingbox is arranged at one side of an outlet of the second conveyor belt; the turnover mechanism comprises a roller, connecting shafts, bearings, U-shaped limiting plates and a driving assembly; the connecting shafts are fixed to two ends of the roller; the bearings are arranged on the connecting shafts in a sleeving manner and rotatably connected with the main rack; and the multiple U-shaped limiting plates are symmetrically arranged at the two ends of the roller respectively; the conveying mechanism can convey one end of each corrugated board into a U-shaped notch of each U-shaped limiting plate; and the driving assembly is fixed to the side surface of the main rack.

The invention relates to an intelligent lock system and an intelligent lock method. The intelligent lock system comprises a shell and an internal control circuit, wherein a handle is arranged on the shell; the control circuit comprises a control unit, a main lock driving module, an auxiliary lock driving module and an electronic lock; the electronic lock is connected with the control unit by a wireless communication module; the control unit is respectively connected with the main lock driving module and the auxiliary lock driving module; the control unit is connected with a switch module. The system integrates two unlocking modes, namely, electronic unlocking (the main lock driving module) and mechanical unlocking (the auxiliary lock driving module), the electronic lock is convenient and quick and high in safety in normal conditions, and the mechanical lock is in an idling condition at the moment; only when the electronic lock is low in power or has failure, the mechanical lock is started. The unlocking mode of the system can effectively prevent technical lock picking to the driving part of a lock cylinder in a mechanical manner. The system is simple in structure, smart in design, and steady and reliable in driving structure, so that the safety and reliability of lockset can be greatly improved, and the application is increasingly wide.

The invention discloses a mixed-flow turbocharger variable nozzle ring comprising an active shifting fork (4), a shifting fork plate (3), driven shifting forks (14), driven shifting fork tapered gear shafts (15), vaned tapered gear shafts (5), a nozzle ring vane (8), rolling wheels (13), rolling wheel shafts (12), a mounting plate (1) and a vaned tapered gear shaft positioning sleeve (9). The working surface of the nozzle ring vane (8) is a two-dimensional or three-dimensional surface and concentric spherical surface, the center of the sphere is outside a turbine housing, the bottom and top faces of the nozzle ring vane can be sealed to the vaned tapered gear shaft positioning sleeve (9) and a turbine housing inner gas flow inlet (6) respectively, so that the end of the gas flow inlet matches with a turbine blade (11). The mixed-flow turbocharger variable nozzle ring can well match with turbine wheels of a mixed-flow turbocharger, so that gas flow in the passages of the mixed-flow turbocharger is well organized, the loss of the gas flow is reduced, and efficiency is improved; according to the low speed ratio of the mixed-flow turbocharger, better matching effect is realized accordingly.

The invention discloses a network security system and method based on big data, and belongs to the technical field of intelligent traffic. The network security system comprises a traffic integrated management system, an information acquisition module, a control management module and a control terminal module; the information acquisition module is used for transmitting acquired traffic informationon roads corresponding to an intersection to be monitored to the traffic integrated management system; the traffic integrated management system controls the control terminal module located on the corresponding intersection through the control management module; the control terminal module comprises a handrail, a traffic light, a broadcaster and a screen; and the handrail is arranged at the intersection, corresponds to the traffic light information and is used for controlling the passage of the traffic flow. According to the network security system and method, the traffic signal lamp is controlled to realize targeted evacuation and guidance of the traffic flow, and evacuation and guidance can be carried out on special emergency vehicles in advance in a targeted mode; and for some major accidents, vehicles can be reminded to detour, and rescue can be carried out in time.

The invention belongs to the technical field of material conveying equipment, in particular to a strip-shaped material veering and conveying device capable of freely changing the strip-shaped materialconveying direction. The device comprises at least three conveying rollers, the conveying rollers are arranged on the two sides of the strip-shaped material in a staggered mode, and the rotating directions of the conveying rollers on the two sides of the strip-shaped material are opposite; a roller surface of each conveying roller is provided with an annular groove used for containing strip-shaped material; all conveying rollers are arranged on the same rotating disc in a rotating mode, and the rotating disc is rotationally arranged on a machine frame; and the rotating disc and the conveyingrollers are driven by the same driving component, and a power switching mechanism is arranged between the driving component and the rotating disc and the conveying rollers. According to the device, the revolution and rotation of a planetary gear mechanism are ingeniously utilized to realize the conveying and veering of the strip-shaped material, and the transmission structure is simple and reliable; and the device only needs one set of motor to drive, the use cost is low, and the maintenance is convenient.

The invention discloses a front and back four wheel driving tractor of a single speed changing box. The front and back four wheel driving tractor of the single speed changing box only needs to operate one speed changing box for performing gear shifting front wheel independent driving and front wheel and rear wheel same-gear driving, a synchronous output gear is added on a shaft II of a traditional speed changing box, a shaft VIII is increased simultaneously, a switching gear and a rear output gear are arranged on the shaft VIII, and the two driving modes of front wheel independent driving and front wheel and rear wheel same-gear driving can be achieved. The front and back wheel driving tractor of the single speed changing box solves the problem that the tractor is poor in gradeability, the tires can slip under loading and parts can be damaged due to different gears and is particularly suitable for using in severe environments of mountains, slopes, forestry, pasture, roadlessness areas and the like.

The invention discloses a multifunctional chain-free integration power output assembly for a dense frame. The multifunctional chain-free integration power output assembly comprises an output shaft, and further comprises a multifunctional complex conversion transmission device. The multifunctional complex conversion transmission device comprises a polygonal input shaft, a conversion reset gear mechanism arranged between the polygonal input shaft and the output shaft and a conversion control mechanism arranged between the conversion reset gear mechanism and the polygonal input shaft. The multifunctional chain-free integration power output assembly for the dense frame is simple, scientific and reasonable in structural composition, integrates speed change and brake locking and can achieve a variety of transmission functions, and the power input and output speed change transmission structure and method carried out on the same axis by the multifunctional chain-free integration power output assembly have high transmission efficiency.

The invention discloses a paper shredder for large-scale surface flow field measurement. The paper shredder comprises a case (1), a drive motor which is installed outside the case (1), and a paper cutting mechanism, a paper storage mechanism and a paper output mechanism which are driven by the drive motor. A bottom plate (2) is arranged at the bottom of the case (1). The paper cutting mechanism includes a positioning seat (3) arranged in the case (1). A paper inlet (a) and a paper outlet (b) for paper to pass through are reserved between the bottom edges of the two sides of the positioning seat (3) and the bottom plate (2). The paper shredder can be erected on a river channel to realize uniform distribution of paper scraps. If there is a need to scatter a large number of paper scraps all at once, the paper shredder can be dragged at constant speed to scatter a large number of paper scraps. The overall transmission structure is stable and reliable. The overall mechanical failure rate is low.

The invention discloses a centrifugal pump for conveying a viscous medium. The centrifugal pump is mainly characterized in that a static ring assembly for mechanical sealing of the centrifugal pump is composed of a static ring base, a static ring, a static ring base sealing ring, a corrugated pipe assembly, a corrugated pipe front end ring sealing ring, a corrugated pipe rear end ring sealing ring, a compensation spring, a static ring sleeve and a gland; and the columnar compensation spring is installed on the outer circle of the static ring sleeve. The left end pressure of the columnar spring acts on a corrugated pipe front end ring, the corrugated pipe is a large-spacing corrugated pipe, mechanical sealing parameters are set, and the columnar compensation spring is sealed and protected. The corrugated pipe and the columnar spring are combined to provide compensation force, and the phenomenon that the medium forms condensation products in wave plate grooves to affect the telescopic change of the corrugated plate grooves is not likely to occur. The moving end face following fitting performance of the compensation static ring is not affected, the working condition using requirements that the medium viscosity is larger than 10000 CPS, the temperature reaches 275 DEG C and the pressure reaches 2 Mpa can be fully met, the mechanical sealing effect of the centrifugal pump is improved, and the service life of the centrifugal pump is prolonged.

The invention discloses a fascia gun. The fascia gun comprises a shell, a driving assembly, a transmission assembly and a connecting assembly, wherein a first cylindrical hole extending along the transverse axis is formed in the shell; the driving assembly is arranged in the first cylindrical hole and comprises a rotatable driving shaft, and the driving shaft is parallel to the transverse axis; the transmission assembly is arranged in the first cylindrical hole and comprises a transmission shaft, and the transmission shaft is parallel to the driving shaft; and the connecting assembly is arranged between the driving shaft and the transmission shaft and converts the rotation motion of the driving assembly into the reciprocating motion of the transmission assembly, and the connecting assemblycomprises an eccentric wheel installed on the driving shaft, a swing rod rotationally connected to the shell, a double-rotation-freedom-degree connecting rod connected between one end of the swing rod and the eccentric wheel, and a connecting rod rotationally connected between the other end of the swing rod and the transmission shaft. The fascia gun is stable and reliable in transmission structure, and the performance and service life of the product are guaranteed.

The invention discloses a hydraulic piling machine pile controller which comprises a pile controller box body and a pile controller verticality adjusting mechanism connected with the pile controller box body. The pile controller box body comprises a control box body. A left swing arm hinge lug and a right swing arm hinge lug are arranged on the two sides of the control box body in a mirror-image mode. Clamping mechanisms are arranged on the left swing arm hinge lug and the right swing arm hinge lug. The pile controller verticality adjusting mechanism comprises a lower flange disc matched with the control box body in a rotating mode. The lower flange disc is connected with an upper flange disc through a periphery-arranged bolt. A longitudinal-shaft-surrounding verticality adjusting hydraulic cylinder is arranged on one side of the lower flange disc. One end of the longitudinal-shaft-surrounding verticality adjusting hydraulic cylinder is connected with a first longitudinal-shaft-surrounding verticality adjusting hydraulic cylinder hinge lug fixed at the bottom of the lower flange disc. The hydraulic piling machine pile controller is simple in structure, a left swing arm and a right swing arm are used for clamping and guiding a precast pile, the whole transmission structure stability and reliability are guaranteed, guiding performance is high, when a first pile is implanted, clamping locating is carried out through the pile controller, a guiding function is achieved during a precast pile implanting process, when a following pile is implanted, clamping of the ends of the two precast piles can be carried out through the pile controller, and coaxial connecting between the piles is carried out.

The invention discloses a transmission structure applied to an endoscope. The transmission structure is arranged in an endoscope handle and comprises an upper gear module and a lower gear module; theupper gear module is located at the lower end of a handle control part, the lower gear module is located at the upper end of a handle replacement part, the upper gear module is connected with an operation handwheel, the lower gear module is connected with an upper chain wheel of the endoscope, and the upper gear module and the lower gear module are connected and fixed through a connection structure so that the connected upper gear module and lower gear module can drive the upper chain wheel to rotate when a user rotates the operation handwheel. The transmission structure makes the handle control part and the handle replacement part easily disassembled and firmly and reliably connected, and meanwhile the transmission structure is reliable and simple, high in accuracy and small in space occupancy. In addition, the invention further provides the endoscope handle.

The invention discloses a rocking recovery type traction bed which comprises a bedstead, a bed surface and a traction device. The bed surface comprises a bed board arranged at the top of the bedstead, an upper body fixing board is arranged on the upper half portion of the bed board, an arc rail and an arc groove are transversely formed in the lower half portion of the bed board in parallel, a lower body fixing board is arranged on the arc rail, and the two sides of the lower body fixing board are provided with lower body traction boxes. The traction device comprises an upper body traction motor and motor and retarding mechanisms, wherein the upper body traction motor is arranged in a bedside box at the head of the bedstead, the motor and retarding mechanisms are arranged on motor supporting boards at the bottom of the bedstead and connected with one end of a crank, a sliding block with a hole is arranged at the other end of the crank and arranged on a long rocker in a sleeved mode, one end of the long rocker penetrates through the arc groove to be fixedly connected with the lower body fixing board, and the other end of the long rocker is connected with the bed board. According to the rocking recovery type traction bed, longitudinal traction movement is separated from rocking of the horizontal plane, longitudinal traction stretching of the upper body of a patient is achieved through a pair of bandages, and horizontal rocking of the lower body of the patient is achieved through one bed board.

The invention provides a conveniently-controlled teapot and belongs to the field of life drinking utensils. The conveniently-controlled teapot comprises a pot body, a tea making cup and a filter cup. A guiding opening is formed in the bottom wall of the tea making cup, the filter cup is sleeved with the tea making cup and is matched with the tea making cup through a sliding groove, a connecting ring body is arranged at the upper end of the filtering cup, and a drive ring is arranged in the connecting ring body. From the upper end face of the drive ring, opposite axial sunken grooves are formed in the front side and the rear side. Corresponding to the lower portions of grooves bodies of the axial sunken grooves, radial clamping grooves are formed in the inner walls of the left side and the right side of the drive ring. An axially extending convex ring is arranged on the inner side of a convex boss of the lower end of a pot lid, and the pot lid is put on the drive ring, and then the convex ring is inserted into the drive ring. Fins corresponding to the radial clamping grooves are arranged on the convex ring at the lower end of the pot lid. Radial arms distributed peripherally and evenly are arranged at the lower portion of the filter cup, filter screens are arranged among the radial arms, and the free ends of the radial arms extend to the central position of the filter cup and are connected to the outer wall of a plate body. A plug valve is arranged on the lower end face of the plate body. The conveniently-controlled teapot can control the tea making time and freely achieve tea-water separation control operation and is convenient to use, and a drive structure is reliable and long in service life.

An electric locking mechanism, comprising a motor (29), two sets of mirror-symmetric transmission mechanisms and two mirror-symmetry output assemblies, the two sets of transmission mechanisms are driven by a single motor (29), and the transmission mechanism transmits the kinetic energy of the motor (29) To the output assembly; the output end of the motor (29) is provided with a drive gear (28), and the drive gear sleeve (28) is on the output shaft of the motor (29); the two groups of transmission mechanisms all include an input gear (26), two input gears (26) are face gears, and the rotating shafts of two input gears (26) are parallel to each other, and the rotation direction of two input gears (26) is opposite; A driving gear (28) meshes with two input gears (26) respectively. The motor (29) drives the output of the output assembly through the transmission mechanism, and is driven by a motor (29), so the volume is smaller; on both sides of the door lock, when the transmission mechanism on one side is driven, the other side is not driven, realizing a single motor ( 29) Drivers for two unrelated systems.

The invention discloses a rotor wing propelling device and a control method. The rotor wing propelling device comprises an upper power mechanism, a lower power mechanism, a middle shaft inclination driving assembly, an upper vector inclination rotor wing assembly and a lower vector inclination rotor wing assembly. According to the rotor wing propelling device and the control method, the rotor disc of the rotor wing is directly subjected to inclined control, the structure is relatively simplified, the number of parts is relatively small, and control is simpler. Compared with a common vector rotor mechanism, the rotor mechanism is higher in maneuverability, faster in response and higher in efficiency.

The invention relates to a spiral ball speed reducer and belongs to the field of speed reducers. A base is fixed to the ground or a fixing part, an input shaft assembly is arranged on an input shaft groove of the base, and an output shaft assembly is arranged on an output shaft core of the base; the input shaft assembly and the output shaft assembly are limited in the radial direction through the outer edge of the base and the outer edge of the output shaft assembly respectively, friction is reduced through contact of deep groove ball bearings and the inner side face of the outer edge of the output shaft assembly, and balls in the input shaft assembly is meshed with a spiral slideway in the output shaft assembly to achieve a universal pure rolling transmission mode; and the base and the output shaft assembly are connected through a limiting connecting assembly for axial limiting, an movable limiting rings can rotate relative to supports. The spiral ball speed reducer has the advantages that meshing transmission of the balls and the spiral slideway is adopted, friction between the balls and the spiral slideway is greatly reduced through the universal pure rolling transmission mode of the balls, friction is further reduced through the movable limiting rings capable of rotating relative to the supports, abrasion and heat production are reduced, and the service life is prolonged; and no return difference exists and the precision is high.

The invention belongs to the technical field of medical devices, and discloses a transmission structure for a syringe, comprising a mounting shell, a cavity is arranged inside the mounting shell; a composite sleeve, the composite sleeve includes an external sleeve and a built-in sleeve sleeve, the outer sleeve is set on the outside of the inner sleeve, the outer sleeve is rotatably connected with the inner sleeve, and the composite sleeve is installed inside the installation shell, so The composite sleeve is slidably connected with the installation shell in the axial direction. The invention also discloses a syringe with the above-mentioned transmission structure. The present invention reduces the type of kinematic connection between the transmission parts, so that there is only one mutual motion relationship between the parts, so that the transmission structure is more reliable, and the syringe can provide users with a more textured sense of pause and a more crisp rotation sound.

The invention discloses a thread take-up mechanism of an industrial sewing machine, and relates to the technical field of thread take-up mechanisms of sewing machines. Specifically, the thread take-upmechanism comprises a base, a four-bar linkage mechanism, a thread take-up device, a thread arranging device and an adjusting device, wherein the four-bar linkage mechanism is mounted above the base;a fourth connecting arm is connected to one side of the upper part of the four-bar linkage mechanism; the thread take-up device is mounted on the fourth connecting arm; the thread arranging device ismounted on the other side of the upper part of the four-bar linkage mechanism; the bottom driving end of the four-bar linkage mechanism is connected with the adjusting device; the thread arranging device comprises a mounting frame, connecting rods, a thread arranging frame and a thread arranging plate; the connecting rods are mounted in the centers of the outer walls of the two sides of the mounting frame; vertical plates are vertically welded to the two sides of the upper part of the thread arranging frame; and a thread twisting mechanism is composed of a seat cylinder, a movable column anda curved sponge bar. According to the thread take-up mechanism of the industrial sewing machine, the thread arranging device is arranged, so that the problems that weaving threads are easily wound andknotted and fluffs around thread bodies of the weaving threads are relatively numerous are solved.

The invention relates to an intelligent lock and a method. The intelligent lock comprises a shell, a lock tongue, a handle, a main lock driving mechanism, an auxiliary lock driving mechanism and a control unit. The main lock driving mechanism and the auxiliary lock driving mechanism are connected with the control unit, the control unit is connected with an electronic key in a wireless mode, and the main lock driving mechanism is connected with the handle; the lock tongue is transversely installed in the shell, the main lock driving mechanism and the auxiliary lock driving mechanism are installed on the portions, at the two sides of the lock tongue, in the shell respectively, a lock cylinder is installed on the portion, at one side of the auxiliary lock driving mechanism, in the shell, a cam is coaxially installed on the lock cylinder, the main lock driving mechanism and the auxiliary lock driving mechanism are connected with the lock tongue and can drive the lock tongue to move transversely to achieve unlocking. The intelligent lock integrates electronic and mechanical unlocking modes, an electronic lock body is used normally, and when the electronic lock breaks down, a mechanical lock body is started. By means of the unlocking mode of the intelligent lock, technological lock picking mechanically carried out on the lock cylinder transmission part can be effectively prevented. The safety and reliability of the lock are improved, and application of the lock becomes wider increasingly.