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1087results about How to "Quick loading and unloading" patented technology

Electrorheological fluid clamping tool for light and low-noise gearbox

The invention discloses an electrorheological fluid clamping tool for a light and low-noise gearbox. The electrorheological fluid clamping tool is used for positioning and clamping the end face of thegearbox in the machining process, the tool comprises a base, the base is provided with a workpiece bearing plate perpendicular to the base, a through hole used for mounting and demounting the workpiece is formed in the middle of the workpiece bearing plate, protruding positioning blocks are arranged on the inner wall of the through hole, flexible fluid bag storing grooves are formed in the positions, between the positioning blocks, of the inner wall of the through hole, flexible fluid bags are arranged in the storing grooves and connected with a cylinder body through guiding pipes, the cylinder body is internally provided with a piston, the space, at one end of the piston, inside the cylinder body, the guiding pipes and the flexible fluid bags constitute an accommodating chamber for electrorheological fluid jointly, the other end of the piston is connected with a piston driving mechanism, positive electrodes and negative electrodes are arranged at one end of the piston and the inner walls of the flexible fluid bags correspondingly, and the positive electrodes and the negative electrodes are connected with a controller. The electrorheological fluid clamping tool is simple in structure, convenient to use and good in workpiece clamping effect, clamping force in all directions of the workpiece is uniform and firm, and the workpiece can be quickly mounted and demounted.
Owner:江阴市惠尔信精密装备股份有限公司

Neurosurgery clinical nursing head fixing device

The invention discloses a neurosurgery clinical nursing head fixing device. The device comprises a chassis, a gearbox is arranged in the chassis, an adjusting threaded rod is arranged on the upper endof the gearbox, a threaded sleeve is arranged on the upper end of the adjusting threaded rod, the upper end of the threaded sleeve is connected with a hinged frame, the hinged frame is connected to the lower end surface of a pillow seat, limit sliding grooves are formed in the left and right sides of the inside of the pillow seat, the limit sliding grooves are provided with a rotating threaded rod and a threaded sliding block, the upper end of the threaded sliding block is provided with a connecting block, the upper end of the connecting block is provided with a fixing plate, the fixing plateis a curved plate, and the inner side surface of the fixing plate is provided with a sponge pad. The device is stable in structure, stable in operation, convenient to adjust, convenient to use and quick in loading and unloading, is capable of achieving a head fixing function for clinical nursing of neurosurgery, can be applied to the head fixing of different patients, has wide applicability, canachieve the lifting adjustment function, can achieve the rotation function, provides convenience for the operation of a surgery and the nursing function, and satisfies the current use requirements.
Owner:孙永霞

Express carrying truck bed convenient for loading and unloading as well as automatic code scanning

The invention discloses an express carrying truck bed convenient for loading and unloading as well as automatic code scanning. The express carrying truck bed consists of a truck bed body, a vehicle-mounted transportation mechanism, a telescopic type conveying mechanism, a control mechanism, a code scanner, a side door, side door connection members and side door supporting members, wherein upper and lower two bearing plates are arranged in the truck bed body, and the space in the truck bed can be reasonably adjusted according to carried cargoes; the side door of the truck bed can be opened and is provided with the supporting members; the telescopic type conveying mechanism is arranged on the outer edge of the side door and protrudes out of the side door of the truck bed; a pushing plate in the truck bed body can push a cargo onto the telescopic type conveying mechanism under the driving of an automatic control stepping motor transmission mechanism; the code scanner is arranged on the telescopic type conveying mechanism and is used for automatically scanning the cargo conveyed to identify and store cargo information. The express carrying truck bed realizes automatic control over express cargo loading and unloading processes, so that the cargo conveying, sorting and code scanning efficiency is greatly improved, the labor intensity of cargo loading and unloading during express transportation is effectively relieved, and the safety is improved.
Owner:XIANGTAN UNIV

Wedge-block-type unwinding shaft used in production line of disposable hygienic products

The invention relates to a wedge-block-type unwinding shaft used in a production line of disposable hygienic products. In the invention, a fixed shaft is a stepped shaft, a small-diameter section of the fixed shaft is sequentially sheathed with two guide sleeves, a spacer bush and a compression spring, and an end part of the small-diameter section of the fixed shaft is in threaded connection witha hand wheel; one end of the compression spring is positioned in a circular groove of the hand wheel, and the other end of the compression spring is in contact with an end face of the spacer bush; locking sleeves are sheathed on small-diameter sections of the two guide sleeves, sleeves are sheathed outside the locking sleeves, four axial expansion pin grooves are uniformly distributed on each sleeve, and each expansion pin groove is internally equipped with an expansion pin; each expansion pin is in the shape of a wedge block, and an oblique plane of each expansion pin corresponds to each locking sleeve; and a taper sleeve is inserted between the locking sleeve and the sleeve which are positioned at one end adjacent to the spacer bush, a conical tube is arranged at one side of the taper sleeve, a cylindrical tube is arranged at the other side of the taper sleeve, and the conical surface of the conical tube of the taper sleeve is in contact with the oblique planes of the four expansionpins in a fit manner. The wedge-block-type unwinding shaft has the advantages of compact and delicate structure and reasonable design, and is convenient in use; unwinding resistance can be controlledby adjusting the hand wheel; and material coils can be fixed, assembled and disassembled quickly through the expansion pins.
Owner:ANQING HENG CHANG MACHINERY

Independent weight adding force standard machine and independent weight adding method

The invention discloses an independent weight adding force standard machine and an independent weight adding method, which belong to the technical fields of quality standard and measurement. The independent weight adding force standard machine comprises a main stand and a weight hanger, nine weights and nine groups of motion mechanisms are longitudinally arranged layer by layer in the main stand, and each group of motion mechanism comprises two pairs of supporting corners, a pair of brackets, a pair of servo motors, a pair of speed reducers and a pair of worm gear pairs; each servo motor is sequentially connected with each speed reducer, each worm gear pair and each bracket, a pair of force sensors is arranged on each bracket, and a weight is placed on each pair of brackets. In the independent weight adding method, each servo motor drives the brackets and the weights placed at the upper surfaces to move up and down through each speed reducer and each worm gear pair. The weights are rapidly and steadily added and unloaded, thereby realizing the maximum loading series and enlarging the use measuring range of the detected sensor; the control method and processes are simple, and the energy saving effect is remarkable.
Owner:SILKWORM COCOON RES GROUP CHINESE INST OF TEST TECH

Mobile constant-pressure control boosting manipulator

The invention belongs to a manipulator in machinery and transport industries, and relates to a mobile constant-pressure control boosting manipulator. The mobile constant-pressure control boosting manipulator is designed by combination of computerized control, air pressure control and mechanical principles, an air pressure control valve is controlled by the aid of a computerized technical program to enable the manipulator to quickly grip workpieces, transfer, load and unload, different command parameters are set in a computer, and when certain action is needed, only corresponding command parameters are required to be input to enable a certain part of the manipulator to operate and command the manipulator to complete tasks. Air pressure outputted by air cylinders can be kept in balance, air pressure impact and rebound are reduced, and performance, safety and reliability of machines are improved. A mobile device is further arranged, and accordingly mobile operation can be realized. Due to the unique gripping jaw design, the manipulator is suitable for gripping and holding workpieces of different shapes, materials and weights; parts, for arranging gripping jaws, of a clamping cylinder can be provided with electromagnet attraction plates, and the workpieces are attracted by dependence on attractive force of electromagnets. Due to the design in multiple degrees of freedom, the manipulator is high in flexibility and wide in versatility, and working efficiency is improved.
Owner:盐城市昱博汽车零部件有限公司

High-elasticity graphene composite deformation sensing material and preparation and application method thereof

InactiveCN107141514AReliable Resistance ResponseRegular resistance responseElectrical resistance and conductanceStress conditions
The invention belongs to the technical field of deformation sensing materials and discloses a high-elasticity graphene composite deformation sensing material and a preparation and application method thereof. The preparation method of the high-elasticity graphene composite deformation sensing material comprises (1) dispersing graphene oxide in water to obtain graphene oxide dispersing agent; (2) stirring cellulose derivatives inside the graphene oxide dispersing agent, performing standing and freeze-drying processes to obtain graphene oxide/cellulose aerogel; (3) reducing the graphene oxide/cellulose aerogel through reducing agent, and then performing thermal drying to obtain the high-elasticity graphene composite deformation sensing material. The preparation method of the high-elasticity graphene composite deformation sensing material is simple, efficient, green and environmentally friendly; the prepared high-elasticity graphene composite deformation sensing material is high in stable sensing performance and can achieve more than 4000 times of repeated and rapid loading and unloading under 70% stress conditions and recover within 1 second, thereby being good in elastic property; during deformation, the high-elasticity graphene composite deformation sensing material obtains stable, reliable and regular electrical resistance response. The high-elasticity graphene composite deformation sensing material is applied to the field of deformation sensing.
Owner:SOUTH CHINA UNIV OF TECH

Automatic gravity gripper

The invention relates to a gripper for transportation and storage. The gripper consists of a gripper seat assembly, a square shaft assembly, groove-shaped movable gripping head assemblies and a spine lock assembly, wherein the gripper seat assembly looks like a square with a half capable of being separated and combined, and the gripper seat assembly is fastened integrally through screws and adjusting connecting plates; the square shaft assembly is fastened on square holes for square shafts of the gripper seat assembly through fastening nuts; each groove-shaped movable gripping head assembly looks like a bow, the left and right groove-shaped movable gripping head assemblies can be matched to form a sleeved ring which can be opened and closed, and the groove-shaped movable gripping head assemblies are mounted in hinge pin holes in front ends of the square shafts through hinge pins and can be freely opened at 45 degrees-135 degrees; the spine lock assembly penetrates through round spine lock assembly through holes above the front side of the gripper seat assembly and is fastened on the square shafts through screws. The automatic gravity gripper is generally applicable to transportation and storage, and parts are high in interchangeability and can be produced in batches in a standard manner (the automatic gravity gripper can also be assembled on a liftable trolley and is quick, convenient and safe in object transportation, loading and unloading).
Owner:江苏北华微电子科技有限公司

Turnover platform plate and robot feeding and discharging system for PCBA (Printed Circuit Board Assembly) test

The invention discloses a turnover platform plate and a robot feeding and discharging system for a PCBA (Printed Circuit Board Assembly) test. The turnover platform plate comprises a rectangular base, supports and a bearing plate, wherein the supports are arranged at two sides of the base, and the bearing plate is arranged at the upper ends of the supports; the supports comprise hinging supports which are provided with hinges and detachable supports which are provided with movable check blocks; one side edge of the bearing plate is connected with the hinging supports in a hinging way, and the other side edge of the bearing plate is supported on the movable check blocks on the detachable supports; the bearing plate downwards rotates to the inner side edges of the hinging supports when the movable check blocks rotate to the outside. According to the turnover platform plate disclosed by the invention, the bearing plate can be put down during maintenance, thus a maintainer can enter for maintenance operation, and the maintenance efficiency is greatly increased. The robot feeding and discharging system disclosed by the invention adopts a robot for feeding and discharging, thus quick feeding and discharging can be realized, and the working efficiency of a PCBA test device can be increased. The robot adopts a flexible body fixing device, so that an air pipe and an electric cable can be movably fixed on a rotating arm, the robot is flexible and little space is occupied.
Owner:SHENZHEN RAPOO TECH

Multi-wire copper harness end forming device and forming method thereof

The invention discloses a multi-wire copper harness end forming device and a method for forming a multi-wire copper harness end by the aid of the multi-wire copper harness end forming device, which are used for solving the technical problem that connection quality of a multi-wire copper hardness and a conducting copper plate is poor by an existing resistance welding method. The technical scheme includes that the device comprises a worktable (1), a power source (28), a controller (29), a forming fixture and a pressurizing mechanism, high-precision forming of the multi-wire copper harness end is realized under the effect of pressure, two sides of the forming fixture are made of high-temperature-resistant ceramic insulating materials, heating current which is precisely controlled uniquely flows through the multi-wire copper harness end assuredly, a stopping mechanism and a copper hardness end positioning mechanism which are disposed on two sides of the forming fixture adopt an electronic-controlled pneumatic closing mode, a copper harness can be quickly assembled and disassembled, the device is provided with a mum-grade high-precision displacement sensor, and a method for controlling conduction time by the aid of deformation displacement quantity is adopted and matches with the forming fixture, so that stably control of high-precision dimension when the multi-wire copper harness end is formed is realized.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Constant pressure control assisted manipulator

The invention belongs to a manipulator used in the machinery and carrying industry and relates to a constant pressure control assisted manipulator, which is designed by combination of computerized control, pressure control and theory of machines and mechanisms. A pressure control valve is controlled via a computer technological program, the manipulator is allowed to quick hold, transmit and handle a workpiece, different command parameters are set in a computer, a certain action is executed just after a corresponding command parameter is input, the certain part of the manipulator is allowed to operate, and the manipulator is commanded to finish a task. A cylinder can be kept outputting balanced pressure, pressure impact and bounce are decreased, and the performance of a machine and safety and reliability thereof are improved. A travelling device allows mobile operations. A unique claw design allows the manipulator to adaptively hold the workpieces different in shape material and weight. An electromagnetic sucker can be mounted at the position, where a claw is mounted, of a clamping cylinder, and workpieces are picked via magnetic attraction of an electromagnet. A multi-DOF (degree of freedom) design allows better flexible and universality for the manipulator, and work efficiency is improved.
Owner:盐城市昱博汽车零部件有限公司
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