32results about How to "Strong grabbing ability" patented technology

Disclosed is a manipulator, which is characterized in that the invention comprises three parts: a jaw, a shaft and a beam-barrel. The jaw comprises a bracket and at least two claws. The middle parts of the two claws are hinged on the bracket whose back end is connected with the shaft. A hydraulic cylinder is respectively arranged at the rear end of the two claws. Pistons of the two hydraulic cylinders are connected with corresponding rear ends of the claws. The center of the shaft is provided with oil supplying holes which are respectively connected with the two hydraulic cylinders so as to form a lever-type grasping mechanism. The shaft is rotationally supported inside the beam-barrel. A first umbrella-shaped gear arranged on the output shaft of a hydraulic motor meshes with a second umbrella-shaped gear which is correspondingly connected on the shaft so that a rotating mechanism where the jaw can rotate around the shaft by 360 degrees is formed. The manipulator has characteristics of reasonable design, high performance price ratio, simple structure, convenient using, high work efficiency and good reliability.

The invention provides a paired-roller roll-sweeping brush superstrong garbage grabbing mechanism based sweeper. The sweeper comprises a frame, a garbage sweeping assembly which is connected with the frame and a motor component, the garbage sweeping assembly is provided with a side brush, an auxiliary roll brush and a main roll brush, the auxiliary roll brush and the main roll brush are opposite in rotating direction, and the auxiliary roll brush is parallel to the main roll brush. The paired-roller roll-sweeping brush superstrong garbage grabbing mechanism based sweeper has the advantages that garbage grabbing capability is further improved, and garbage sweeping effect of equipment is strengthened.

The invention relates to medical instruments, in particular to a thrombus taking stent, a preparation method of the thrombus taking stent and a thrombus taking device. The thrombus taking stent mainlycomprises a stent body produced with a shape memory alloy as a raw material, a hydrophilic layer is arranged on the outer surface of the stent body, and a micro-nano porous structure layer is arranged on the inner surface of the stent body. Under the structure that the diameter of the stent body is smaller than 2 mm, the effects of optimizing the grabbing capacity of the stent body and minimizingthe damage effects on blood vessel walls can be achieved, the operation performing difficulty and time can be reduced and shortened to a great extent during an operation, and the operation efficiencycan be effectively improved.

The invention provides a soft driver. The soft driver comprises a driver body and a binding layer wrapping the periphery of the soft driver body; the soft driver body comprises a plurality of elastic layers which are sequentially stacked from inside to outside, a front end cover and a rear end cover, wherein the front end cover and the rear end cover block the two ends of the elastic layers; the hardness of the outermost elastic layer is the highest, the hardness of the other elastic layers is gradually increased or equal in sequence from inside to outside, and a cavity used for containing fluid is formed in the innermost elastic layer; the rear end cover is a closed end cover, and a first through hole for introducing fluid into the cavity is formed in the front end cover; and the binding layer wraps part of the outer side wall of the outermost elastic layer and is a stretchable thin sheet formed by cutting a plurality of notches distributed at intervals in a thin sheet made of a non-stretchable elastic material or an elastic plastic material, and bending deformation of the soft driver body is achieved while expansion of the soft driver body is limited. The soft driver is large in output force, large in bending deformation and high in response frequency, and can be used in the fields of industry and clinical medicine.

The invention discloses a bistable flexible machine gripper provided with a bionic petal structure and a manufacturing method of the bistable flexible machine gripper. The bistable flexible machine gripper provided with the bionic petal structure comprises a pedestal and grab units with bistable characteristics, wherein the grab units are arranged to be of the bionic petal structure, the grab units are fixed to the periphery of the pedestal, a driving unit is fixed to each grab unit, and each driving unit comprises a grab driving unit used for driving the corresponding grab unit to deform close to the center of the gripper and a release driving unit used for driving the corresponding grab unit to deform away from the center of the gripper. According to the bistable flexible machine gripperprovided with the bionic petal structure and the manufacturing method of the bistable flexible machine gripper, grab capability is strong, response speed is high, the structure is simple, invisibility is high, manufacturing is convenient, the grab capability can be maintained without the action of external force, energy consumption is low, smoothness is good, and the gripper can adapt to complicated, irregular and variable objects.

The invention discloses a method for capturing cloud calculating data from an RIA (Rich Internet Application) page. The method comprises the steps of: abstracting a target RIA page into a page model including at least one node tree; and then simulating a user operation to carry out ordered triggering on an event corresponding to a node in the page model, executing a corresponding code of the event, updating a DOM (Document Object Model) content of a page until the page model is traversed, finding out a path set included by the node tree in the page model, and storing the DOM content corresponding to each path. According to the method, through automatically triggering the event corresponding to the node and executing the corresponding code of the event, the DOM contents of the page are updated and nodes of a next layer are dynamically extended, the cloud calculating data from the RIA page are captured, and the method is high in capturing capability, low in occupation for system resources and good in application prospect.

The invention provides a straw briquetting mechanism with a vertical shaft, a flat die and a straight roller, and belongs to the technical field of agricultural machinery. The straw briquetting mechanism mainly comprises a base, a transmission system, a collection hopper, a support, the main shaft, the flat die, a pressing roller frame, the pressing roller and a sleeve. The main shaft is vertically installed at the center position of the base and the center position of the support. The flat die is horizontally installed on the support. A pressing roller frame sleeve is vertically installed on the main shaft and fixed on the support. The pressing roller is horizontally installed at the radial shaft end of a pressing roller frame sleeve. The flat die is sleeved with the sleeve. The collection hopper is installed at the lower end of the flat die and fixed to the support. The flat die is provided with a plurality of square through holes within the circumference, and the center line of each hole coincides with the rotation center line of each pressing roller tooth, so that it is ensured that straws can be successfully pressed into the holes of the die. The pressing roller is in a straight gear shape, rotates along with the shaft under the driving of the pressing roller frame, and meanwhile rotates around the axis of the pressing roller to press the straws into the holes of the die continuously, so that straw blocks with the regular shape and high intensity are formed, and the production rate and the ratio of briquetting are high. The straw briquetting mechanism is simple and compact in structure, the holes of the flat die are not prone to being blocked, and working continuity is good.

The invention relates to the technical field of dexterous robot hands, and discloses a humanoid dexterous robotic hand with passive rotating joints and an operation method thereof. The humanoid dexterous robotic hand with the passive rotating joints comprises a first finger, a second finger, a third finger, a palm, a first driving motor, a second driving motor and a third driving motor. The humanoid dexterous robotic hand with the passive rotating joints solves the problems that a coupling transmission mechanism of an existing humanoid dexterous robotic hand is complex in structure, poor in reliability and the like, and meanwhile, a degree of rotational freedom is additionally provided for the fingers of the dexterous robotic hand. The humanoid fingers of the humanoid dexterous robotic hand can rotate around the central axes of the humanoid fingers by utilizing the rotating joints, and can be transformed automatically into a plurality of grabbing postures according to objects in different shapes, so that the adaptability of the dexterous robotic hand is enhanced; and the length of driven ropes and the length of driving ropes are adjusted, so that the initial pose of the dexterous robotic hand can be adjusted and re-calibrated. The novel humanoid dexterous robotic hand can achieve the envelope grabbing without a complicated control system and a transmission system, and has a passive degree of rotational freedom and the relatively high adaptability to the objects in different shapes.

The invention discloses a deep-foundation grab crane. An entire truck adopts crawler hydraulic crane remounting design; the ground pressure is small; the stability is high; main winching and auxiliary winching are controlled by parallel-variable double-pump total power; main and auxiliary winching motors are controlled respectively, so that double winching synchronization is achieved; a grab bucket is lifted by the main winching; the auxiliary winching provides a bucket closing tension force; single-rope tension forces of the main winching and the auxiliary winching can reach 10T, so that the main winching and the auxiliary winching have the super high lifting capacity; a closing bucket adopts 4-multiplying-power pulley block design, thus a bucket closing force can reach 40T, so that the main winching and the auxiliary winching have the super high grabbing capacity; the grab bucket adopts a sliding block pulley block stabilizing device; and the deep-foundation grab crane is simple, practical and good in stability.

The invention discloses a mechanical gripper. The mechanical gripper comprises a first frame, the first frame is provided with a sliding groove capable of sliding along the first frame, the inside ofthe sliding groove is fixedly provided with a hydraulic push rod, and the bottom of the hydraulic push rod is connected with an ejection piece for pressing an inverted V-shaped angle iron; the bottomof the sliding groove is symmetrically connected with two gripper connecting rods in a hinged mode, the end portions of the gripper connecting rods are connected with gripper bodies for gripping the inverted V-shaped angle iron. The mechanical gripper also comprises a second frame which is symmetrically connected with two guide connecting rods in a hinged mode, the free ends of the guide connecting rods are hinged to the two gripper connecting rods. The mechanical gripper can grip various angle iron structures in multiple angles.

The invention discloses a mechanical claw for climbing a tower and a using method thereof. The mechanical claw comprises an upper rack, a lower rack, a thread lead screw and a deceleration motor capable of forwards and backwards rotating; the deceleration motor is fixed to the lower rack, one end of the thread lead screw is connected with the deceleration motor through a coupling, and the other end of the thread lead screw penetrates out of the upper rack; the mechanical claw further comprises a third connecting rod and a claw connecting rod; the claw connecting rod comprises a first claw connecting rod body and a second claw connecting rod body, the first claw connecting rod body is connected with the second claw connecting rod body in a hinged mode, and the upper end portion of the first claw connecting rod body is connected with the lower rack; the upper end portion of the third connecting rod is connected with the upper rack, and the lower end portion of the third connecting rod is connected with the hinged portion of the first claw connecting rod body and the second claw connecting rod body; and a hydraulic push rod and a jacking block are connected with the lower portion of the lower rack in sequence, and the hydraulic push rod is connected with a push rod motor. The problem that in the prior art, the mechanical claw for tower climbing operation is weak in grasping ability and poor in adaptability is solved. According to the mechanical claw for climbing the tower, multi-angle angle steel grasping is achieved, and adaptability is strong.

The invention relates to a preparation method of polyquaternium magnetic microspheres with a core-shell structure, and the method comprises the following steps: dispersing seed microspheres in an organic solvent, adding a silane coupling agent under the condition of mechanical stirring, regulating the pH value to make the solution alkaline, and reacting to obtain double-bond-modified magnetic microspheres; dispersing the double-bond modified magnetic microspheres into an organic solvent, then adding a quaternary ammonium salt monomer, an initiator and a cross-linking agent, heating to 40-90 DEG C in a water bath, and reacting for 1-24 hours to obtain the quaternary ammonium salt modified magnetic microspheres. The quaternary ammonium salt has very strong adsorption capacity on biomacromolecules, and can be used for quickly separating the biomacromolecules, and the yield is more than 90%; the surface of the polyquaternium magnetic microspheres is rich in quaternary ammonium salt, so that the polyquaternium magnetic microspheres have strong adsorption capacity to biomacromolecules and are high in separation yield. The prepared microspheres are especially suitable for automatic separation and extraction of the biomacromolecules.

The invention belongs to the technical field of medical apparatuses, and particularly relates to gun-shaped sampling tongs. The gun-shaped sampling tongs comprise a gun-shaped movable part and a gun-shaped fixed part, the movable part comprises a first tongs rod and a first handle, the fixed part comprises a second tongs rod and a second handle, the first handle penetrates through the second handle to be pivoted to the first tongs rod, the first handle and the second handle form an angle, the first tongs rod is parallel to the second tongs rod, the end of the first tongs rod is a sampling end,a jaw sheet is arranged at the sampling end and is pivoted to the first tongs rod and the second tongs rod separately, and when the angle between the first handle and the second handle is adjusted, the first handle pulls the first tongs rod, and then the pivoting part of the jaw sheet and the second tongs rod achieves shaft rotation to open the sampling end. The gun-shaped sampling tongs are highin grasping capability and flexible to use.

The invention discloses a large-sized wood grabbing loading machine and belongs to an engineering mechanical wheel type loading machine. The large-sized wood grabbing loading machine mainly comprisesa large-sized loading machine; a forward rotation six-connecting-rod mechanism is arranged at the front end of the large-sized loading machine; a large-sized wood grabbing machine tool is arranged atthe front end of the forward rotation six-connecting-rod mechanism; the forward rotation six-connecting-rod mechanism comprises a machine frame, a rotating bucket oil cylinder, a movable arm, a rocking arm and a pull rod; the machine frame is connected with the large-sized loading machine; the front end of the movable arm is hinged with the large-sized wood grabbing machine tool; the back end of the movable arm is hinged with the upper part of the machine frame; the stretching end of the rotating bucket oil cylinder is hinged with the lower end of the rocking arm; the other end of the rotatingbucket oil cylinder is hinged with the machine frame; the middle part of the rocking arm is hinged with the middle part of the movable arm; the upper end of the rocking arm is in splicing connectionwith one end of the pull rod; and the other end of the pull rod is hinged with the large-sized wood grabbing machine tool. The large-sized wood grabbing loading machine is strong in power, reasonablein matching, large in tractive force and high in grabbing ability, and can meet the requirement of the overload condition. The large-sized wood grabbing loading machine is mainly applied to wood loading and unloading.

The invention discloses a high-precision grabbing mechanism of a robot. The high-precision grabbing mechanism comprises a grabbing base which is of a circular structure, the grabbing base is provided with at least three sub-bases, and the sub-bases are arranged around the circle center of the grabbing base at equal interval and arranged in the axial direction of the grabbing base; each sub-base is provided with a clamping device and a driving device, each clamping device comprises a guide rail, each guide rail is fixed to the corresponding sub-base and provided with a sliding base, each sliding base is provided with a clamping base, a first clamping arm is hinged to each clamping base through a hinge, a second clamping arm is hinged to each first clamping arm through a hinge, and a third clamping arm is hinged to each second clamping arm through a hinge. According to the high-precision grabbing mechanism of the robot, the universality is high, the grabbing effect is good, not only is the grabbing capability on a workpiece with the flat surface high, but also the grabbing capability on a workpiece with the curved surface is high, and workpieces with different surfaces can be grabbed.