147results about How to "Meet ergonomic requirements" patented technology

The invention discloses a wearable shoulder joint rehabilitation training device. The device has the characteristics of exercise flexibility, wearing comfort and training safety. The device is composed of a movement mechanism and a support adjustment mechanism. The support adjustment mechanism is used to adjust the position of the movement mechanism relative to the shoulder joint of the human body, and fix the entire rehabilitation training device at an appropriate position on the back of the human body. The driver of the motion mechanism is four pneumatic muscles in a vertical motion state, which can respectively control the two groups of movements of the upper arm around the shoulder joint, flexion and extension, abduction and adduction, and the compound movement of these two groups of movements. With the cooperation of the angular displacement and the tension sensor, the active and passive coordinated movement of the movement mechanism and the upper arm can also be realized. The movement mechanism drives the upper arm movement with the help of two sliders for passive movement, which overcomes the problem of upper limb movement difficulties caused by the misalignment between the movement center of the mechanism and the shoulder joint, and ensures the comfort and safety of the training during rehabilitation training .

A master end operator device of a master slave minimal invasive blood vessel interventional surgical assistant system is characterized by comprising an axial force feedback damper unit, a torsion feedback output unit, a clamp unit, an operation information unit, a catheter, a linear guide rail and a height-adjustable base; a work method of the device comprises detection, transmission, processing and action of signals; the device has the advantages that the catheter is directly operated, and the ergonomic demands are met; real-time and intuitive feedback is realized, and the surgical safety and operation demands of a doctor are met; axial operation information is obtained by a friction-free magnetic induction mode, and efficiency is realized without adding the load; the height is adjustable.

The invention discloses a master-slave minimally invasive vascular interventional surgery remote operation system and belongs to the technical field of medical equipment. The system comprises a doctor control platform, a master-end control computer, visual feedback detection equipment, a wire and tube guiding manipulator, a slave-end control computer and a slave-end pose adjusting platform. The doctor control platform conducts motion of simulating the medical behavior of guiding a tube and a wire according to operation of a doctor and transmits motion information corresponding to the motion to the master-end control computer; the master-end control computer transmits the received motion information as a motion control command to the slave-end control computer; the slave-end control computer transmits the received motion control command to the wire and tube guiding manipulator; the wire and tube guiding manipulator moves according to the received motion control command and then conducts the medical behavior on a patient. Through the system, intervention can be completed according to operation information of the doctor, haptical information can be fed back to the doctor in real time, and therefore safety and operability of interventional surgery are improved.

A master slave minimal invasive blood vessel interventional surgical assistant system is characterized in that the system is formed by a master side part and a slave side part; a work method of the system comprises detection, transmission, processing and action of signals; the system has the advantages that when the information transmitted in the catheter operation is real-time and accurate and the surgery safety can be effectively improved; real-time detection on abnormal operation and system faults is realized and the system safety is effectively ensured; the propelling error is low; a contact force sensor at the side wall of a catheter can be used for detecting the size of a contact force and distinguishing the stress direction.

The invention discloses a design method for easing a curved road section, which comprises the following steps: (1) a circular curved turning radius R and the designed vehicle speed V are determined; (2) a value of roll angular jerk J0, when the length l from a point of tangent to a calculation point of a transition curve is zero, is selected, and then an initial value of the length S of the transition curve is calculated; (3) whether values of roll angular jerk j, roll angular acceleration a, and roll angular velocity omega meet the requirement of indicators of the human engineering is checked according to the initial value of the length S of the transition curve; (4) a curvature radius r of each point on the transition curve is calculated; (5) a curve rotating angle alpha of each point on the transition curve is calculated; and (6) a plane coordinate of each point on the transition curve is calculated. The design method for easing the curved road section can ensure that an eased curved road section is more smoothly connected with linear road sections and circular curved road sections at both ends, and avoids the roll angular velocity and the roll angular acceleration of a vehicle from producing a sudden change at both ends of the eased curved road section, thereby increasing the comfort of people inside the vehicle.

The invention relates to a device for automatically regulating the height of a table top, comprising the table top, a driving system, a transmission system, a radio transceiver and a control system, wherein the driving system is a motor; the transmission system comprises a small belt wheel, a synchronous belt, a large belt wheel, a nut, a guide wheel, a screw and a push rod; the control system comprises an electronic control unit consists of a singlechip and a sensor, wherein the singlechip at least comprises an intelligent regulating mode, and the electronic control unit is directly connected with the radio transceiver; and the driving system is connected with an ultrasonic transceiver system through the control system. The invention overcomes the defect that a table can not automatically and accurately regulate the height of the table top in the background technology and has the advantages of automatic height detection, wide application range, long service life, and the like.

The invention discloses a clucking power feedback system in a touching device, which comprises a chucking part, and a power feedback realization part, wherein the chucking part comprises a shell; two chucking handles are connected with the shell through a short connecting shaft and a bearing; one ends of two chucking connecting bars are connected with the chucking handles through a short connecting shaft and a bearing; the other ends of the two chucking connecting bars are connected with a sliding block through a bearing; the sliding block is fixedly connected with a spring; and the two chucking handles rotate along the two short connecting shafts to form chucked opening-closing motions. The realization of power feedback is as follows: a controller receives a chucking power signal, and sends a control signal to a motor; the motor drives a lead screw to rotate; when power is fed back, the lead screw drives a nut to move towards the direction of compressing the spring so as to compress the spring; then the spring is deformed to generate an elastic force; then the elastic force is transferred onto the chucking handles to lead an operator to feel the chucking power. The clucking power feedback system in the touching device has the advantages of simple and compact structure, high power feedback precision, easiness for operation, and low manufacturing cost.

The invention relates to a heat-sealing mechanism of a flat-plate-type blister packaging machine. The heat-sealing mechanism comprises a heat-sealing cam, a spline spindle, a cam case, a cam case guide rod, an idler wheel seat, a lower mould guide plate, a heat-sealing lower mould, a formation material PVC, a heat-sealing aluminum foil, a blister filled with medicine, a heat-sealing upper mould and a heat-sealing heating plate. The heat-sealing mechanism also comprises an upward-downward movement mechanism which is arranged at the bottom of the cam case and can move upwards and downwards. The upper end of the upward-downward movement mechanism is provided with a cylinder piston connected with a jointing part of a pair of long connecting rods. The other ends of the long connecting rods are respectively connected with one end of a lower connecting rod and one end of an upper connecting rod. The other end of the lower connecting rod is fixed with a lower connecting rod seat connected with a heat-sealing upright post. The other end of the upper connecting rod is fixed with an upper connecting rod seat connected with the cam case. The top end of the heat-sealing upright post also comprises a buffering mechanism arranged on the heat-sealing heating plate. As a cylinder is arranged at the lowermost position of the heat-sealing mechanism, the whole height of the heat-sealing mechanism is reduced by 200 mm, the gravity center of the heat-sealing mechanism is lowered, and the stability of the operation of the heat-sealing mechanism is improved.

The invention discloses frame machining equipment of a solar module. The frame machining equipment comprises a restoration mechanism, a combined stamping mechanism, an overturning mechanism, an automatic stock bin, an automatic feeder, a piece inserting mechanism, a riveting machine and a stepping material inlet conveying line body, wherein the restoration mechanism of the frame machining equipment is arranged at the end part of the stepping material inlet conveying line body; the combined stamping mechanism, the overturning mechanism, the automatic feeder, the piece inserting mechanism and the riveting machine are arranged in the direction of the stepping material inlet conveying line body in sequence. The frame machining equipment of the solar module, disclosed by the invention, has the advantages that the product consistency is improved, the product quality is ensured, the production efficiency is increased, and the frame machining equipment is suitable for mass production; the occupied area is less, and the space is saved; material charging and material taking can be respectively carried out by one person under an automation mode, corner connector putting personnel can be allocated at random, and the labor cost is reduced; the working strength of operators is relieved, and the requirements on quality of the operators are obviously reduced; the frame machining equipment accords with the requirement of human-machine engineering, the operators are far from stamping equipment, and the safety risks are greatly reduced.

The invention provides a full-hydraulic-driven high-speed rice transplanter chassis. An oil supplementing pump is connected with a flushing shuttle valve through two oil supplementing one-way valves,and the flushing shuttle valve is connected with an oil tank through a low-pressure overflow valve and a cooling valve; oil outlets of the two oil supplementing one-way valves are connected with two oil ports of a plunger pump, and two oil inlets of the flushing shuttle valve communicate with each other; walking variable displacement motors are connected in parallel, then serially connected with arice transplanting motor and then connected with the two oil ports of the plunger pump; a series control valve group is connected between an oil suction port of the rice transplanting motor and the oil outlets of the two oil supplementing one-way valves; an oil outlet of a gear pump is connected with a steering gear and a flow divider through a priority valve separately; the flow divider is connected with an oil inlet of a profiling balance control valve and an oil inlet of a seedling box lifting control valve; two working oil ports of the profiling balance control valve are connected with two oil ports of a balance oil cylinder respectively; the two working oil ports of the seedling box lifting control valve are connected with two oil ports of a lifting oil cylinder respectively; and anoil way of a rod cavity is connected with a hydraulic control one-way valve and a one-way throttle valve in series. The chassis can meet the requirement for normal operation of a rice transplanter ona paddy field and a hard road surface.

The invention discloses a spongy cushion. A plurality of holes are distributed longitudinally on a cushion body. The holes distributed longitudinally can adjust the rigidity of a sponge; when the spongy cushion is molded, different requirements for elasticity when the sponge is applied to different situations can be determined by experiments, namely, the rigidity of the spongy cushion can be adjusted by adjusting the sizes and the distribution density of the holes so as to cause the spongy cushion to better meet the requirements of ergonomics when being applied; in addition, the holes can be formed at one time when the spongy cushion is formed and molded, and the holes can also be formed by digging after the sponge is molded; when the spongy cushion is applied to a mattress which has different rigidity requirements for all parts, the aperture or hole distribution density of each part can be adjusted so as to form a mattress that better meets ergonomics; therefore, when in manufacturing of the cushion, the process is simpler and the material cost can also be saved at the same time.

The invention relates to the technical field of rotary inputting devices, in particular to a three-dimensional rotary inputting device with high detection precision. The inputting device comprises an upper rocker arm elastic mechanism and a lower rocker arm elastic mechanism, wherein the upper rocker arm elastic mechanism and the lower rocker arm elastic mechanism are independent of each other, so that rotation of an upper rocker arm does not affect the lower rocker arm elastic mechanism and accordingly does not affect a lower rocker arm, generation of tiny error signals is avoided, the detection precision is improved, and the lower rocker arm is in the similar way. In addition, the three-dimensional rotary inputting device is provided with multiple elastic mechanisms, so that the effect that the rocker arms are stressed by different resistance when toppling in the different directions is conveniently achieved by making elastic coefficients of all the elastic mechanisms be different, and then the product meets the human engineering requirement better.

The invention relates to a direct-drive type feeding device of a milling machine, comprising a low-speed motor and a motor controller, wherein the low-speed motor is connected with a screw rod of a worktable of the milling machine in a driving mode, the motor controller is connected with the low-speed motor, the low-speed motor is a brushless DC servomotor and comprises a rotor and a stator, an inner ring shaft sleeve of the rotor is directly sleeved on the screw rod of the worktable of the milling machine and connected with the screw rod of the worktable of the milling machine by keys, an outer shell of the rotor extends out of the inner ring shaft sleeve of the rotor to form a cup-shaped rotor, the cup-shaped rotor is covered outside the stator and stopped outside a motor base, and the inner side of the outer shell of the rotor is bonded with a circle of permanent magnet steel. The direct-drive type feeding device directly drives the screw rod of the worktable of the milling machine to rotate by the low-speed motor, does not need any speed reducing device, directly uses the screw rod as a rotor shaft of an external rotor motor so as to lead the shaft output torsion of the motor to directly act on the screw rod of the worktable and has small volume, low noise, large force moment, high rotating speed, convenient installation, flexible and simple operation, attractive appearance, smooth operation, and the like.

The invention discloses a sliding limit seat which comprises a seat pan, a bracket supporting the seat pan, a handle, a braking line, two linear guide rails, a rack pair, a pressure spring and a vertical guide rail, wherein the seat pan is fixed on the bracket, wherein the seat pan is fixed on the bracket; the bracket bottom is arranged on the two linear guide rails and can slide back and forth along the linear guide rails in an unlocked state; the rack pair consists of a fixed rack and a movable locking mechanism; the rack is static relative to the linear guide rails; the vertical guide rail is fixed on the bracket; the locking mechanism is arranged on the vertical guide rail; the lower end of the braking line is connected with the locking mechanism; the upper end of the braking line is connected with the handle; a rotation fulcrum of the handle is arranged on the bracket or seat pan; an extension component for mounting the pressure spring is arranged on the bracket; and the pressure spring for reset is arranged between the locking mechanism and the extension component along the vertical direction. The sliding limit seat is simple to operate and can realize reliable limit of intensive points.

The invention provides a master controller. The master controller comprises a holding handle, a rotating mechanism and a universal-joint mechanism connected in sequence, a resetting mechanism and a cam mechanism respectively fitted with the universal-joint mechanism, and circuit boards fitted with the holding handle and the cam mechanism. The master controller, provided by the invention, has the benefits of compact and reasonable structure, accordance with ergonomics requirements, low demand on mounting space, effective prevention from false operations, high operation comfort level and long service life.

The invention relates to a building-block multifunctional heat dissipation base of a notebook computer, comprising a heat dissipation plate, a fan module, fasteners, a USB power supply adapter, a USB concentrator, support bases and stay rods, wherein a raised skidproof stopper is arranged on the rear end of the heat dissipation plate, both ends of the heat dissipation plate are provided with rotation shafts, a heat dissipation grid plate is arranged in the heat dissipation plate, and stay rod slots are arranged below two side plates; the rear ends of the support bases are provided with rotation shaft holes, the outer side surfaces are fixedly connected with the USB concentrator, a group of arm brace holes is arranged in the inner side surfaces, and the fasteners are connected to the front ends ; the heat dissipation plate is movably connected with the support bases at two sides by inserting the rotating shafts at two sides into the rotating shaft hole of the support base, and is positioned and connected by the stay rods one ends of which are fixed in the arm brace holes of the support base and the other ends are supported the stay rod slots of the heat dissipation plate; and the heat dissipation grid plate of the reverse side of the heat dissipation plate can be detachably connected with the fan module. The invention is suitable for being assorted with the notebook computer of any type and size, preferably with the notebook computers of 10-15 inches. According to different requirements, different function modules can be configured, and various forms of combination are carried out.

The invention relates to an automatic feeder of a surface grinder, which comprises a brushless direct-current motor, a master controller, a motor driver and a travel module. The brushless direct-current motor consists of a stator, a cup-shaped rotor, a front edge cover, a shell and an outer connecting shaft, the stator is fixed onto a shaft sleeve of a driving shaft of the grinder, a shaft sleeve of an inner ring of the cup-shaped rotor is directly sleeved on the driving shaft of a worktable of the grinder in a key joint manner, action instructions are emitted by the master controller and are processed by a microcomputer chip in the motor driver, and accordingly the brushless direct-current motor connected with a driving circuit is driven to start and stop by the driving circuit; and two travel switches of the travel model control shift motion of the worktable, directions are automatically changed when the travel switches act, and accordingly automatic feeding of the surface grinder is realized. The automatic feeder of the surface grinder is simple in structure, long in service life, convenient in installation and flexible, simple and convenient in operation, and is safe and reliable.

The invention relates to a multi-purpose safety belt fixed step stool frame, a step frame comprises step legs which are in mirror symmetry and support each other and cross bars which are uniformly distributed between the step legs, and the innovation points are as follows: (1) a U-shaped fixed foot plate is respectively horizontally hinged between ground feet at the lower end of each step leg, and the opening of each U-shaped fixed foot plate is outward; and (2) step stool components are respectively hinged on the outer sides of the two step legs on the same side in the same direction, each step stool component comprises a universal hinge seat, a step stool pedal plate and a step stool vertical plate, the inner ends of the step stool pedal plates are hinged on the step legs through the universal hinge seats, the outer ends of the step stool pedal plates are hinged with the step stool vertical plates through hinge seats, and openings in the same direction with the U-shaped fixed foot plates are arranged at the lower ends of the step stool vertical plates. The whole multi-purpose safety belt fixed step stool frame is made of a high-strength nylon insulating material and light-weight super-hard aluminum, the step frame is designed to be lighter, convenient to carry, good in safety and in line with ergonomic requirement, and the multi-purpose safety belt fixed step stool frame can not only meet the related work of high-voltage testing, but also be used by part of electric power maintenance staff when 110KV and 35KV knife gates are maintained.

The invention relates to a display screen supporting frame with an adjustable tilt angle. In the prior art, torsional springs are sleeved on supporting leg rotating shafts to balance the screen weight, so that the defects that thick torsional springs are required, attractive appearances of whole machines are affected seriously, the hand feeling is poor, and 'mouse trap' phenomena of high-speed rebounding shocks of supporting legs exist, or the problem that operation is inconvenient and unnatural caused by the fact that supporting legs are required to be pressed by hand at the backs of screens due to the fact that supporting legs are raised by the friction force when screens are lifted exists. According to the display screen supporting frame, a unidirectional rotating clutch and transforming rotating friction are adopted, the spring force which serves as the main balance force is cancelled, a plurality of defects in the prior art are overcome, functions of normal balanced supporting, inclination angle adjustment and supporting leg retraction of a screen are implemented, supporting legs are close to a table board all the time when the screen is lifted, the specific 'mouse trap' phenomena of spring type structures or unnatural actions of pressing of supporting legs by hand are thoroughly eliminated, the operation is natural and convenient, and a comfortable usage and operation environment is provided for users.