34results about How to "Meet the requirements of ergonomics" patented technology

The invention provides an exoskeleton-based wearable lower limb rehabilitation robot comprising a waist device, two leg devices in left-right symmetry and two foot devices in left-right symmetry. The waist device is worn on a waist part of a human body and comprises a waist support part, a waist drive device, a waist movement component, a waist band and leg connecting members. The leg devices are in hinge joint with the waist device and are tightly tied to the legs of the human body via flexible tying belts, and each leg device comprises a leg drive device, a thigh part and a shank part. The foot devices are worn on the feet of the human body and are in hinge joint with the leg devices; each foot device comprises a foot drive device, a foot support and a bottom plate. The exoskeleton-based wearable lower limb rehabilitation robot can assist patients or old people in completing lower limb rehabilitation training including waist movement and improves the lower limb rehabilitation training effect; the robot is simple and compact in structure, is convenient to wear, can be worn by people of different body forms through an adjusting mechanism, and is wide in application range; the waist mechanism can meet the waist movement rules under different paces.

Disclosed is an urban rail vehicle adjustable driver pedal. The upper portion of a base of the pedal is connected with a four-linkage lifting mechanism. The upper end of the four-linkage lifting mechanism is connected with a rotating mechanism. The rotating mechanism is fixedly connected with a pedal lower cover shell. A pedal upper cover shell is fixedly connected with the upper part of the rotating mechanism. The pedal is connected with a rotating skeleton of the rotating mechanism, and the pedal and the rotating skeleton are lifted synchronously. Tension springs are arranged between the pedal upper cover shell and the rotating mechanism as well as between the base of the pedal and the lifting mechanism correspondingly. A telescopic pneumatic rod is connected with the position between the base of the pedal and a rotating shaft of the rotating mechanism. According to the urban rail vehicle adjustable driver pedal, through the lifting mechanism and the rotating mechanism, the lifting function and the angle adjusting function of the pedal are achieved, requirements of human-machine engineering of all rail vehicle drivers of different heights are met, a more comfortable working environment is provided for the foot part of each rail vehicle driver, and installation and maintenance are convenient.

The invention provides a semi-automatic box gluing machine, which comprises a paper feeding and transporting belt, a grinding and gluing mechanism, a pressing and transporting part and a paper collecting table, wherein the pressing and transporting part comprises a frame, a transporting mechanism which consists of a motor and a transporting belt and is arranged on the frame, and a pressing mechanism. The machine is characterized in that the frame of the pressing and transporting part is divided into at least two sections along the transporting direction, and has the total transporting length of at least 3 meters; the grinding and gluing mechanism is divided into separate grinding modules and gluing modules for adopting left or right gluing modules or adding left or right grinding modules.The machine has simple and compact structure, and can conveniently expand modularly to lateral paper feed version or climbing paper collection version on basic version. The machine has pressing and transporting positions easy to adjust, ensures good gluing quality, makes selection, addition or reduction of functions flexible, and improves mutual interference of paper feed and paper collection at the machine head.

The invention discloses a travelling control device used for a skidding-steering loader, comprising a handle mechanism, an upper connection rod mechanism, a swing rod mechanism and a lower connection rod mechanism. The upper end of the upper connection rod mechanism is movably connected with the handle mechanism and the lower end thereof is movably connected with one end of the swing rod mechanism; the other end of the swing rod mechanism is movably connected with one end of the lower connection rod mechanism; and the other end of the lower connection rod mechanism is movably connected with atilting inclined plate of a servo plunger pump. The invention adopts the single-rod operation to replace the double-rod operation so as to lead the operation to be convenient and comfortable and meetthe requirements of the ergonomics. The travelling control device is completely independent from other systems of the integral loader and then the mounting and demounting are easy; and the replacing is simple, the maintenance is convenient and the reliability is high. The skidding-steering loader adopting the walking control device of the invention can complete the actions of going forward and backward and turning right and left in a narrow space.

The invention relates to a carrying equipment system based on the reachability grading of the upper limb of a human body, comprising a carrier and carrying equipment, wherein the carrier is an attachment adhered to the upper part and / or the lower part of the human body; the attachment is divided into a comfort reachable region, a function reachable region, a limit reachable region and an unreachable region when carrying equipment; the carrying equipment which does not need to be taken down is put in the unreachable region; the carrying equipment which does not need to be taken down frequently is put in the limit reachable region; the common carrying equipment is put in the function reachable region; and the carrying equipment which needs to be taken down frequently is put in the comfort reachable region. The carrying equipment system can divide the surface area of the human body according to four levels of the upper limb reachability, and comprehensively consider placing position according to the characteristics of the carrying equipment so as to obtain the effect on conveniently carrying and conveniently fetching, and the equipment placement conforms to the requirement of ergonomics.

Medium-power wheeled tractor transmission box includes: gearbox housing, rear axle housing, main clutch shaft assembly, main transmission driving shaft assembly, idler shaft assembly, main transmission driven shaft assembly, auxiliary transmission gear shaft assembly Assemblies, crawler gear shaft assembly, bevel pinion shaft assembly, reversing control assembly, main transmission control assembly, auxiliary transmission control assembly. The gearbox housing and the rear axle housing are connected by fasteners, the main clutch shaft assembly, the main transmission drive shaft assembly, the idler shaft assembly, the main transmission driven shaft assembly, the reversing control assembly and the main transmission control assembly Assembled in the gearbox case, auxiliary transmission gear shaft assembly, crawler gear shaft assembly, pinion bevel gear shaft assembly and auxiliary transmission control assembly are assembled in the rear axle case, gearbox case and rear axle case The internal shafts adopt the form of spatial arrangement, so that the exterior presents a flat octagonal cross-section, which increases the distance between the lower part of the shell and the ground, increases the height of the ground clearance, and improves the passing performance of the whole machine.

The invention discloses a band wrist type micro instrument device for surgical operation. The band wrist type micro instrument device comprises a wrist type three-axis converged mechanism, a driving mechanism, a fingertip execution mechanism and a control system, wherein the driving mechanism is fixedly connected with the wrist type three-axis converged mechanism, the fingertip execution mechanism is connected with the driving mechanism, and the control system controls the motion of the driving mechanism; encoders at corresponding joints inside the wrist type three-axis converged mechanism can be driven to move through the motion of the wrist type three-axis converged mechanism, motion information of the corresponding joints is measured through the encoders and then is fed back to the control system, the driving mechanism receives signals from the control system and then drives the fingertip execution mechanism to complete pitching, deflecting and clamping action, and both the driving mechanism and the wrist type three-axis converged mechanism are connected with the control system through lines. The band wrist type micro instrument device has the advantages that the fatigue of hands of an operator can be effectively relieved, so that the operator can carry out surgical operation in the most comfortable state, and the reliability and safety of operation are improved.

The invention discloses a mechanism used for adjusting chair back curve degree. The mechanism comprises a chair back frame, a supporting rack, a double-reversed-thread-pair screw, two sets of isosceles triangle curve supporting mechanisms, an arc-shaped roof plate, two upper bevel gear screws, a horizontal bevel gear shaft, two upper bevel gears, two horizontal bevel gears, four sets of spring patches, and the like. The horizontal bevel gear shaft rotates, and drives the roof plate to move up and down, such that vertical chair back curve adjustment is realized. The double-reversed-thread-pair screw rotates, and drives the roof plate to move front and back, such that horizontal chair back curve adjustment is realized. When the roof plate is stressed, the spring patches deform, such that the roof plate is provided with certain flexibility. The mechanism provided by the invention satisfies requirements of ergonomics, and assists in reducing the harm caused by sedentariness to human bodies.

The invention discloses an operating device of a skid-steering loader, comprising a handle mechanism, a connecting rod mechanism, a tilting mechanism, a double-piston pump and a main control valve body. The handle mechanism comprises a left handle and a right handle, a left bearing seat and a right bearing seat, a left support bracket and a right support bracket, the lower ends of the handles arerespectively and fixedly connected with the bearing seats, the bearing seats are respectively articulated with the upper ends of the support brackets; the connecting rod mechanism comprises a plurality of vertical connecting rods and a plurality of horizontal connecting rods, the upper ends of the vertical connecting rods are respectively articulated with the bearing seats, and the lower ends arerespectively articulated with the tilting mechanism; two ends of the tilting mechanism are respectively supported at the lower side of a floor of a driving cab of the loader, one ends of the plurality of vertical connecting rods are respectively articulated with the tilting mechanism, and the other ends are respectively articulated with a variable swash plate of the double-piston pump and a hydraulic valve plug of the main control valve body. The invention has the advantages of less parts, simple manufacturing, low cost, high reliability, light and comfortable operation, intensively arranged parts and components, convenient change and maintenance, and better meets the requirements on ergonomics.

The invention discloses a bearing drawing device, which comprises a hydraulic oil cylinder, a drawing head fixedly connected to a hydraulic rod of the hydraulic oil cylinder, and a support seat used to support the rotating shaft of the bearing, and the support seat is fixedly connected to the hydraulic oil cylinder The cylinder body is sleeved on the outside of the drawing head. There is a gap between the drawing head and the support seat for placing the bearing. The drawing head includes a bracket for connecting with the hydraulic rod, and a rotating shaft rotatably arranged on the bracket. The mandrel and the plectrum fixedly arranged at the bottom end of the rotatable mandrel, the plectrum can protrude out of the peripheral surface of the bracket or retract within the peripheral surface of the bracket along with the rotation of the rotary mandrel. The bearing drawing device of this kind can improve the drawing efficiency and reduce the drawing difficulty when drawing the bearing, avoid frequent operation of work stations by staff, and is beneficial to the physical and mental health of the staff.

The invention discloses a front floor assembly lifting appliance. The front floor assembly lifting appliance comprises a main body framework (2), a driving air cylinder (4) and a lifting rod (9); a connection plate (3) is an angle seat which is arranged on the main body framework (2) and has an obtuse angle; one of two angle ends of the connection plate (3) is hinged to the driving air cylinder (4) and the other end of the connection plate (3) is hinged to end part of the lifting rod (9); and clamping mechanisms (7) for clamping a front floor assembly are arranged at the corners of the main body framework (2). The front floor assembly lifting appliance has the advantages of simple structure, convenience for operation and low cost; the transportation and the piece feeding preassembling of a front floor can be conveniently realized; the working intensity of workers is alleviated and the production efficiency is high; and the front floor assembly lifting appliance is relatively safe and reliable and has the relatively strong practicability.