478 results about "Straight line mechanism" patented technology

The invention relates to a magnetic rheological polishing device used in an aspheric optical part with a super large caliber, comprising a machine tool, a magnetic rheological polishing device and a control system which is connected with the above components. The machine tool comprises a lathe bed on which the work piece to be processed is placed, an X axial linear motion mechanism is arranged on the two sides of the lathe bed, a movable portal is fixed on a slider of the X axial linear motion mechanism, a Y axial linear motion mechanism is arranged on a cross beam of the movable portal, a Z axial linear motion mechanism is fixed on a slider of the Y axial linear motion mechanism, an A axial rotary table used for arranging the magnetic rheological polishing device is fixed on a slider of the Z axial linear motion mechanism, the magnetic rheological polishing device is fixed on the cross beam by a fourth linear motion mechanism, the two have opposite directions of motion, and the magnetic rheological polishing device is arranged right above the work piece to be processed. The device of the invention has the advantages of simple and compact structure, low cost, easy control and strong processing capacity, and can process the aspheric optical part with the super large caliber.

The invention discloses a prostate puncture biopsy surgical robot which is used for helping a doctor to do a prostate puncture biopsy surgery. The prostate puncture biopsy surgical robot comprises a hoisting adjusting mechanism, a first linear movement mechanism, a second linear movement mechanism, a first angle adjustment mechanism, a second angle adjustment mechanism and a puncture assembly. A puncture angle is only determined through the first angle adjustment mechanism and the second angle adjustment mechanism; alignment of a puncture part is jointly completely by the hoisting adjusting mechanism, the first linear movement mechanism and the second linear movement mechanism; and the puncture assembly is used for controlling the feeding of a puncture needle. According to the prostate puncture biopsy surgical robot, position adjustment and angle adjustment are independent from each other and do not influence each other, so that the operation flexibility of the surgery is high; an adjusting range can be enlarged as much as possible through the control of six degrees of freedom under the condition that a surgery position and the surgery angle are accurate, so that the prostate puncture biopsy surgical robot is adaptive to actual requirements of different environments and different patients; and the position and angle are flexible to adjust, a puncture process is stable and the precision of puncture biopsy is improved.

The invention discloses a full-automatic cucurbitaceae garden stuff grafting device which comprises a stander, a parental stock conveying mechanism, a grafted seedling conveying mechanism and a cion conveying mechanism that are arranged on the stander in parallel from left to right; a parental stock clip straight-line motion mechanism is transversely arranged on the parental stock conveying mechanism and the grafted seedling conveying mechanism and a cion clip straight-line motion mechanism is transversely arranged on the grafted seedling conveying mechanism and the cion conveying mechanism; a parental stock aperture disk is arranged on an operation position of the parental stock conveying mechanism and a parental stock root pruning mechanism, a parental stock growing point cutting mechanism and a parental stock clamping mechanism which is arranged on the parental stock clip straight-line motion mechanism in a sliding way are arranged above the parental stock aperture disk; a grafted seedling aperture disk is arranged on an operation position of the grafted seedling conveying mechanism and a parental stock perforating mechanism and a stroma perforating mechanism are arranged above the grafted seedling aperture disk; a cion aperture disk is arranged on an operation position of the cion conveying mechanism and a cion cutting and supporting mechanism and a cion clamping mechanism which is arranged on the cion clip straight-line motion mechanism in a sliding way is arranged above the cion aperture disk.

The invention discloses an electro-hydraulic brake system driven by a motor for a vehicle. The electro-hydraulic brake system comprises a brake pedal, a pedal displacement sensor, a hydraulic sensor, a pedal simulator, a pedal push rod with two branches, an electric control unit, an electric control linear motion module, a brake main cylinder, a secondary main cylinder and an ABS (anti-lock braking system) / ESC (electronic stability control) module; one branch of the pedal push rod is abutted against the linear motion mechanism, and is positioned in the same axis as the piston of the brake main cylinder; the other branch of the pedal push rod is connected with the piston of the secondary main cylinder; the brake main cylinder sequentially comprises a front cavity, a first cavity and a second cavity for the brake main cylinder; the front cavity is connected with the secondary main cylinder and a liquid storage tank respectively through a decoupling valve and a liquid supply valve; the first cavity and the second cavity are connected with a vehicle wheel brake through the ABS / ESC module; the secondary main cylinder is connected with the liquid inlet of the pedal simulator. The electro-hydraulic brake system is used for recycling brake energy, improving system response time and accurately controlling hydraulic brake force, well feeds the braking force back to a driver, and realizes active control over hydraulic force and pedal force of the system.

The invention discloses a cutting or welding robot which comprises a base; two mutually-perpendicular directions on the horizontal plane are respectively defined as an X direction and a Y direction, and the vertical direction is defined as a Z direction; a cutting-torch longitudinal linear motion mechanism and a cutting-torch transverse linear motion mechanism are respectively arranged on the base in two mutually-perpendicular horizontal directions, and the cutting-torch longitudinal linear motion mechanism or the cutting-torch transverse linear motion mechanism is provided with a cutting-torch lifting device; the cutting or welding robot also comprises a robot head which is used for cutting or welding workpieces; and the cutting-torch lifting device is provided with an installation base, the installation base is provided with a cutting-torch rotation shaft which is arranged in the Z direction and can rotate freely, and the robot head is arranged at the lower part of the cutting-torch rotation shaft. By utilizing the cutting or welding robot, the problems that in the prior art, because an unlimited turning working dish is required to be added, the manufacturing difficulty of the cutting or welding robot is large, and the manufacturing cost is high are solved.

The invention provides an environmental survey spherical robot which comprises a moving mechanism, a control device and the like which are contained in a spherical shell, and realizes motion of the whole robot through centre-of-gravity shift principle. The moving mechanism mainly comprises a hollow shaft, a two-wheel type linear drive mechanism, a weight turning drive mechanism, etc. The two-wheel type linear drive mechanism mainly comprises two drive motors, two driving wheels and the like, and realizes linear motion of the spherical robot through centre-of-gravity shift. The weight turning drive mechanism comprises a drive motor and an actuating mechanism, and realizes turning motion of the environmental survey spherical robot through combining the deviating angle of the weight and the linear motion with the centre-of-gravity shift principle. The combination of linear motion and turning motion can realize the motion of the environmental survey spherical robot in arbitrary direction. In the environmental survey spherical robot, the hollow shaft which is relatively stationary to the spherical shell is arranged inside, and a stable platform is provided for mounting a sensor, a controller and the liker. The environmental survey spherical robot combines the linear motion mechanism with the turning mechanism, has the advantages of simple motion mode, flexible motion, strong maneuverability, and can be used for various tasks, such as hypertoxic gas inspection, field environmental observation, planet survey and the like.

The travelling apparatus according to exemplary embodiments includes front wheels, which are driving wheels, an upper frame, first linear motion mechanisms configured to be extendable and retractable and couple the front wheels to the upper frame, middle wheels configured to be disposed at a back of the front wheels, second linear motion mechanisms configured to be extendable and retractable and couple a riding part to the middle wheels, rear wheels configured to be disposed at a back of the middle wheels, lower links configured to couple the middle wheels to the rear wheels, respectively, rear links configured to couple the lower links to the upper frame, and a third linear motion mechanism configured to change an angle between the upper frame and the rear links.

The invention relates to a throwable scout ball for close space detection. The portable scout ball is in the shape of a sphere with the size similar to that of a grenade. The throwable scout ball is internally provided with a motion mechanism, a controller, sensors, wireless communication equipment, a battery, and the like, wherein an anti-impact mechanism is arranged outside a spherical shell and is controlled by a reciprocating telescopic drive mechanism inside the scout ball; during throwing, the anti-impact mechanism is propped open by the drive mechanism to position the scout ball inside the anti-impact mechanism; when the scout ball stably falls to the ground, the drive mechanism controls the anti-impact mechanism to withdraw, thereby protecting the entire scout ball during throwing; moreover, the motion mechanism inside the scout ball can be divided into a linear motion mechanism and a turning motion mechanism so as to realize linear motion and turning motion of the scout ball under the action of the controller; and the sensors such as a camera arranged inside the scout ball can transmit close space information to a user through wireless transmission equipment. The throwable scout ball can be used for the detection of environments such as unreachable caves and fire hazard sites filled with smog and toxic gases.

The invention relates to a transurethral surgical robot and control system. The transurethral surgical robot and control system comprises a rack, the bottom of the rack is fixedly connected with a chassis, the top of the rack is connected with a support through a transmission chain, and the support is fixedly connected with a cystoscope and two surgical tools. Each surgical tool comprises a flexible continuous body mechanical arm and a mechanical arm driving device. The support comprises a cystoscope mounting seat and two surgical tool mounting seats. The cystoscope mounting seat is fixedly connected with the cystoscope. Each surgical tool mounting seat is connected with a vertical plate through a straight-line motion mechanism, the front side of each vertical plate is fixedly connected with a connecting outer cover, and the rear side of each vertical plate is fixedly connected with a plurality of first motors used for conducting turning control over the corresponding flexible continuous body mechanical arm. The transurethral surgical robot further comprises a control cabinet. The control cabinet comprises an industrial computer, an adapter plate, a plurality of motor drivers and a first displayer. The industrial computer is electrically connected with the adapter plate, and the adapter plate is electrically connected with the motor drivers and the first displayer. The motor drivers are electrically connected with the first motors correspondingly.

The invention relates to a magnetic rheological polishing device used in an optical part with high gradient, comprising a machine tool, a magnetic rheological polishing device and a control system which is connected with the above components. The machine tool comprises a horizontal base seat and a vertical base seat, an X axial linear motion mechanism and a Y axial linear motion mechanism are arranged on the horizontal base seat in a cross shape, the X axial linear motion mechanism is fixed on a slider of the Y axial linear motion mechanism, a Z axial linear motion mechanism is arranged on the vertical base seat, a C axial rotary worktable used for arranging the magnetic rheological polishing device is arranged on a slider of the X axial linear motion mechanism, a B axial rotary worktable used for arranging a work piece fixture is arranged on a slider of the Z axial linear motion mechanism, an A axial rotary worktable used for driving the work piece to be processed is arranged at the tail end of the work piece fixture, and the magnetic rheological polishing device is horizontally opposite to the work piece to be processed. The device of the invention has the advantages of simple and compact structure, low cost and easy control, and can realize the processing of the optical part with the high gradient.

The invention relates to a medical catheter surface coating curing machine which comprises a machine box. The inside of the machine box is provided with an upper support, a lower support and a test tube box containing PVP solutions. An automatic catheter lifting mechanism, a catheter rotary mechanism and a lamp box linear motion mechanism are arranged between the upper support and the lower support. The automatic catheter lifting mechanism comprises a lead screw sliding table, the catheter rotary mechanism is arranged on the lead screw sliding table and moves up and down along with the lead screw sliding table, the catheter rotary mechanism comprises multiple catheter clamps, and catheters can be detachably arranged on the catheter clamps. The lamp box linear motion mechanism comprises a lamp box. The automatic catheter lifting mechanism drives the catheter rotary mechanism to move downward, the catheters are soaked in the PVP solutions of the test tube box and ascend to the lamp box along with the automatic catheter lifting mechanism, and the lamp box is provided with an ultraviolet light source which can dry and cure the PVP solutions attached to the surfaces of the catheters. The medical catheter surface coating curing machine is easy and convenient to operate, high in automation degree, good in compatibility, good in curing effect, safe and reliable, and the catheters capable of being cured are long.

A laser welding nozzle used as a working tool, a linear movement mechanism of a pressing device, and a servomotor are fixed to a bracket. A roller support frame is fixed on a moving side of the linear movement mechanism. A roller is pivotally mounted at a distal end of the roller support frame. The roller is located in the vicinity of a weld point of the laser welding nozzle. By driving the servomotor in a controlled manner, a portion in the vicinity of the weld point of a plate portion to be welded is pressed by the roller to restrain a floating of the weld portion, by which a gap between the plate portions is regulated, and thus uniform weld can be obtained. The pressing position, speed, and pressing force of roller can be controlled easily, so that the pressing device can be used for various types of workpieces.

The invention provides an electric tool in reciprocating model which can change cutting tools. The electric tool can realize the functions of shoveling, sanding, sawing and filing through the cutting tools being changed. A cutting tool (1) is connected with a reciprocating linear motion mechanism, which is connected with a power mechanism through a speed change mechanism, through a cutting tool loading and unloading mechanism; the back end of the handle of the cutting tool (1) is provided with a hole (1-1); the cutting tool loading and unloading mechanism comprises a front cutting tool holder (5), a back cutting tool hold (6) and a sliding plate (8); the handle of the cutting tool is connected with the front cutting tool holder (5), the back cutting tool holder (6) in sliding along the axial direction of the cutting tool; the front end of the sliding plate (8) is provided with a boss (8-1) extending to the hole (1-1) and is connected with the reciprocating linear motion mechanism in sliding along the axial line of the hole (1-1). The cutting tool can be locked through the boss one the sliding plate hooking the hole (1-1) at the back end of the tool. When the sliding plate slides along the axial line of the hole (1-1) and the boss (8-1) detaches from the hole (1-1), the cutting tool can be get out and be changed.

The invention belongs to the technical field of attitude simulation, and specifically relates to a novel large-size four-freedom attitude simulation structure, for the purpose of providing a large-angle attitude simulation test apparatus applied to large-size flight equipment. The novel large-size four-freedom attitude simulation structure is characterized by comprising a linear motion mechanism (1), an orientation rotation mechanism (2), a pitching rotation mechanism (3), a roller rotation mechanism (4) and a workbench (5). According to the invention, by use of the linear motion mechanism, the orientation rotation mechanism, the pitching rotation mechanism, the roller rotation mechanism and the workbench, a large-size aircraft can be installed and carried, attitude simulation is provided for the large-size aircraft, omni-directional flight attitude simulation is realized, the accuracy of an aircraft test is improved, the development cost is decreased, and the development space of the aircraft is expanded.

The invention provides a six-degree-of-freedom series- reduction robot for fracture of pelvis. The six-degree-of-freedom series- reduction robot comprises a chassis assembly, a serial-connection platform assembly, a series- connection assembly, a parallel-connection platform assembly and an outer fixing frame assembly, wherein the chassis assembly is arranged at the bottom end of the robot and in contact with the ground through four universal wheels; the serial-connection platform assembly is positioned above the chassis assembly and fixedly connected with the chassis assembly; the outer fixing frame assembly is connected with the parallel-connection platform assembly and integrally connected with the series-connection platform assembly through the series-parallel connection assembly. The robot can replace a doctor to perform the reduction of fracture of pelvis, so that the labor intensity of the doctors can be reduced; the series-parallel platform assembly is a three-degree-of-freedom linear moving mechanism and the parallel-connection platform assembly is a three-degree-of-freedom rotary moving mechanism, and the series-parallel connection mechanism formed by combining the two mechanisms can perform six-degree-of-freedom movement; the robot has the advantages of being high in precision, high in loading capacity and rigidity, reasonable in working space, and compact in structure.

The invention relates to a flexible surgical tool system adopting a sterile barrier. The flexible surgical tool system comprises a flexible surgical tool and a driving unit, wherein the flexible surgical tool comprises a far-end structure, a near-end structure and a middle connector; the far-end structure comprises a far-end component; the far-end component comprises a far-end interval plate, a far-end fixed plate and a structure bone; the near-end structure comprises a near-end component; the near-end component comprises a near-end interval plate, a near-end fixed plate and a structure bone; the middle connector comprises a channel fixing plate and a structure bone guiding channel; the driving unit comprises a motor part, a motion conversion part and a linear motion mechanism; the motor part comprises a first fixing plate and a first motor; the motion conversion part comprises a driving chain; the rotating output of the first motor is converted into the linear motion of an output rod by the driving chain and is transmitted to a push-pull rod of the linear motion mechanism through the sterile barrier; an output end of the linear motion mechanism is connected with one end of the driving bone.

The invention discloses a supersonic-speed wind tunnel test section regulating device with the angle adjustment function and belongs to the field of wind tunnel test device design. The device includes a frame, an elastic beam, a hinge shaft, a fixed adjusting piece, a transition adjusting piece, a rotating adjusting piece, an ejector rod, an arc-shaped guide rail, a roll ball screw rod module, a servo motor, a reducer, a pull wire sensor and the like. A rail body of the arc guide rail is installed on the transition adjusting piece fixedly connected with the frame, a slider of the arc-shaped guide rail is connected with the rotating adjusting piece, the ejector rod is driven by means of a linear motion mechanism composed of the servo motor, the speed reducer and the roll ball screw rod module to walk, the rotation of the adjusting pieces is achieved, and oblique shock waves with the continuously variable shock wave angle is generated. The device has the function of accurately adjusting a wind tunnel flow field, can be applied in shock wave reflection and continuously variable Maher number research projects, can also be applied in pressure measuring, air inlet channel measuring and other supersonic-speed wind tunnel special tests, and effectively expands the capacity of the wind tunnel test.

The invention provides a method and clamp for testing the anti-stripping strength of a cigarette water-soluble adhesive on cigarette paper. The clamp comprises a straight line mechanism sliding through a linear bearing and an angle adjusting support mounted on the straight line mechanism. A sample strip supporting plate is hinged to the angle adjusting support and can forwardly and reversely rotate by 360 degrees on the angle adjusting support around a hinged point. The angle adjusting support is provided with a locking mechanism used for fixing the position of the sample strip supporting plate, and the sample strip supporting plate is provided with a clamping groove which is matched with testing sample strips in thickness and used for fixing the testing sample strips. According to the method and clamp, a good supplementing and perfecting effect is achieved for the limitation that only 90-degree and 180-degree anti-stripping strength of the adhesive can be measured, and particularly the cigarette production process can be well represented; after the water-soluble adhesive is used, an adhesive connecting face can be suffered by the actual strength of a non-90-degree stripping forcedestroy effect usually, and the important significance to improving technology progress is achieved in the cigarette industry is achieved.

The invention provides a drilling fixture for a plastic pipe. The drilling fixture comprises a base and a clamping mechanism which are in sliding connection with each other through cooperation of guide rails and sliding blocks, wherein a straight-line motion mechanism is arranged between the base and the clamping mechanism, and comprises a lead screw nut pair of which the axis is parallel to the sliding direction of the sliding blocks; the top of a nut on the lead screw nut pair is fixedly connected with the bottom of the clamping mechanism; a support is fixed on the base; a drilling die is arranged on the support; a first through hole capable of accommodating the drilling die is formed in the support; the clamping mechanism comprises a baseplate and brackets; a V-shaped groove is formed in the cross section of each bracket; and a flexible steel belt is connected with the two sides of each bracket through locking bolts. The drilling fixture provided by the invention has the advantages that through the regulation of pipe diameters and drilling positions, relatively-high-precision drilling on plastic pipes of different specifications on a common drilling machine can be achieved; the structure is simple; and the operation is easy.

The invention discloses an X-ray detection device based on a five-axis movement platform. The X-ray detection device based on the five-axis movement platform includes a lead room, the five-axis movement platform, an installation assembly, an X-ray source assembly, a detector, a movement control room and a ray source control room; the five-axis movement platform is arranged in the lead room and includes a rigid frame, a three-axis linear movement mechanism, a two-axis rotary movement mechanism and a supporting assembly, the three-axis linear movement mechanism is fixed at the bottom end of theinner part of the rigid frame through the supporting assembly, and the two-axis rotary movement mechanism is fixed at the top end of the inner part of the rigid frame; the X-ray source assembly is fixed on the three-axis linear movement mechanism, and the detector is fixed on the two-axis rotary movement mechanism; and the movement control room and the ray source control room are correspondingly arranged at the two ends of the bottom face of the inner part of the lead room. By arranging the rigid frame and the supporting assembly, the three-axis linear movement mechanism and the two-axis rotary movement mechanism can keep stable, by using the installation assembly, the rigid frame is fixed in the lead room, and thus the whole five-axis movement platform can keep stable.

The invention discloses a four-degree-of-freedom parallel mechanism with three-dimensional translation and one-dimensional rotation. The mechanism consists of a straight-line motion mechanism realizing one-dimensional translation and a three-degree-of-freedom parallel mechanism realizing two-dimensional translation and one-dimensional rotation; three or four groups of motion branched chains are arranged between a movable platform and a fixed platform of the parallel mechanism with two-dimensional translation and one-dimensional rotation, one group of RRR or PRR branched chains are included in the branched chains, and the rest branched chains are all UPS branched chains with six degrees of freedom in space; connecting points of the movable platform and the fixed platform at the two ends of the UPS branched chains are respectively called as movable platform connecting points and fixed platform connecting points, and any two movable platform connecting points are connected to form a straight line L; connecting points of the RRR or PRR branched chains on the movable platform are any points on the mid-perpendicular line in the straight line L except for foot points; the connecting points of the branched chains on the fixed platform and the connecting points of the branched chains on the movable platform are correspondingly distributed. The parallel mechanism is suitable for machine tools, robots and the like.

The invention provides a spatial apocenter movement mechanism using a double-stroke arc-shaped sliding track, relates to theory of mechanism, and solves the problems that an apocenter movement mechanism output component can rotate around a certain fixed point in space and moves along the axis of the fixed point, but an actual movement pair does not exist at the fixed point. The spatial apocenter movement mechanism using the double-stroke arc-shaped sliding track comprises a support, a vertical rotating shaft mechanism, a vertical rotating rack mechanism, the double-stroke arc-shaped sliding track and a linear movement mechanism. The support is used for supporting all rotating components; the upper end of the vertical rotating shaft mechanism is fixedly connected with the extension portionof the upper end of the support, and a rotation output end of the vertical rotating shaft mechanism is rotatably connected with the vertical rotating rack mechanism; the vertical rotating rack mechanism is fixedly connected with a side surface of a fixed sliding block; the other side surface of the fixed sliding block is slidably connected with a side surface of the double-stroke arc-shaped sliding track; the other side surface of the double-stroke arc-shaped sliding track is slidably connected with a side surface of a movable sliding block; and the other side surface of the movable sliding block is fixedly connected with a linear movement mechanism. The invention belongs to the field of medical robots.

The invention discloses a terminal cutting packaging machine and a packaging method thereof, and belongs to the technical field of chip injection molding. The terminal cutting and packaging machine comprises a machine frame, a feeding mechanism, a cutting module, a carrying mechanism, a detection mechanism and a product packaging table, wherein the cutting module comprises a conveying mechanism, acutting mechanism, a material receiving mechanism and a waste material collecting mechanism, and the material receiving mechanism comprises a first linear motion mechanism and a carrier platform; thecarrier platform provided with a plurality of object carrying tables is used for receiving cut terminals and then transferring the terminals at one time, so that the transfer frequency of the terminals is reduced; and meanwhile, the detection mechanism is arranged to carry out qualification detection on the terminals in the transferring process, so that the time of a traditional terminal samplingmode is shortened, and the working efficiency of the terminal cutting and packaging machine is improved. According to the terminal cutting and packaging mechanism and the packaging method thereof, the problem that the efficiency is low in the terminal production process of a traditional terminal cutting and packaging mechanism is solved, the qualified rate of the terminals is improved, and the working efficiency of the terminal cutting and packaging machine is improved.

The invention discloses a multi-channel rotary type Raman spectroscopy detection sample pool device which comprises a rotary sample table for containing a sample pool, a linear movement mechanism for controlling the sample pool at a position in the XY plane, a rotary movement mechanism, a multi-position valve control mechanism and a Raman spectrograph probe. The rotary sample table is arranged on the rotary movement mechanism in a rotatable mode. The rotary movement mechanism is used for controlling the positions of the sample pool and the Raman spectrograph probe. A water sample to be tested is controlled by the multi-position valve control mechanism to enter the sample pool on the rotary sample table, the position of the sample pool is adjusted through the linear movement mechanism and the rotary movement mechanism, optical detection is conducted through the Raman spectrograph probe, and optical signals are sent into a spectrograph upper computer so that real-time analysis can be achieved. By means of the sample pool, by adjusting rotary movement and horizontal displacement, the water sample to be tested can be accurately focused, and detection accuracy is improved.

The invention provides a sponge cutting machine with multiple cutting functions, which includes a base, a guide rail and a slide block are arranged on the base, a first workbench is fixed on the slide block, and a linear movement is provided between the first workbench and the base mechanism, the base is provided with a second workbench, a rotating mechanism is provided between the second workbench and the base, and a bracket is provided on the base, and vertical square grooves are opened on both sides of the bracket, and the square grooves are equipped with The guide block is provided with a first lifting mechanism on both sides of the base close to the support, passing through the two guide blocks through the first drive mechanism and rotatingly connected with a tool holder, and the tool holder is respectively provided with a first cutting device and a second cutting device. device and the third cutting device, the base is additionally provided with a control unit. A sponge cutting machine that realizes multiple cutting functions described in the present invention has a simple structure and is easy to operate, and can meet the needs of various cutting methods for large sponges on one piece of equipment, and has high cutting efficiency, which brings great benefits to enterprises. to higher earnings.

A transfer apparatus includes a stationary base, a swivel rotatably supported by the stationary base, and a linear movement mechanism supported by the swivel and including guide rails. Hands for carrying works are supported by the guide rails and movable along a horizontal straight travel path by the operation of the linear movement mechanism. A heat reflector is provided between the hands and the guide rails. A refrigerant circulation channel includes annular spaces for ensuring constant communication between a passage on the side of the stationary base and a passage on the side of the swivel. The refrigerant circulation channel includes cooling pipes held in contact with the heat reflector.

The invention relates to a paratrooper parachuting training simulator and a method thereof. The paratrooper parachuting training simulator comprises a supporting frame, an ascending ladder, a jumpingplatform, a control system, a linear motion mechanism, a harness system, a liftable landing platform, a virtual reality device, a fan device and a software system; through a pressure sensor, the software system is triggered to perfectly simulate plane leaving; through the control system, the software system is triggered to perfectly simulate free falling and parachute opening, and true touch feeling is generated through the linear motion mechanism and the fan device; through the liftable landing platform, the landing process is simulated, and all the parachuting processes are simulated. Through the simulation of all the parachuting processes, the training effect is better compared with partial simulating training.

The invention discloses a three-degree-of-freedom thumb rehabilitation training mechanism. The mechanism comprises a support seat as well as a transmission mechanism and a finger movement mechanism which are arranged on the support seat, wherein the finger movement mechanism comprises a joint I, a joint II, a joint III, a joint IV, a front-end finger sleeve and a back-end finger sleeve, the joint II comprises two end hinge points and one middle hinge point, the two end hinge points are connected with the joint I and the joint III respectively, the middle hinge point is connected with the joint IV, the front-end finger sleeve is connected to one end of the joint III, and the back-end finger sleeve is connected to one end of the joint IV; the transmission mechanism comprises a linear motion mechanism and a guide mechanism connected with the linear motion mechanism. The transmission mechanism combines a ball screw, a linear bearing and a rail and converts rotation into arc motion on the rail, so that fingers can swing laterally in space, and finger moves more flexibly and comfortably.

The invention provides a robot for otorhinocranial base minimally invasive operations and an operation method thereof, comprising a linear movement mechanism, a rotation mechanism, a deflection control mechanism, a clamp control mechanism and a continuous body mechanism, wherein, the linear motion mechanism and the rotating mechanism drive the deflection control mechanism, the clamping mechanism and the continuous body mechanism to move and rotate integrally so as to make the continuous body mechanism reach the preset position; the continuous body mechanism comprises a continuous body support,a plurality of continuous body joints, a nickel-titanium tube embedded in the continuous body joints, a clamp fixture and a clamp; the deflection control mechanism and the clamping mechanism controlsthe continuous body mechanism to perform the deflection action back and forth through the wire, and clamping or loosening of the clamp; and the robot is used for minimally invasive operations of theotorhinocranial base. The robot is used for otorhinocranial base minimally invasive operation, has the advantages of smaller size, larger bending angle and simple operation, can meet the needs of clinical operation, has high operation accuracy and good repeatability, can shorten the doctor's training cycle and reduce the operation risk.

The present invention provides a tape feeder for chip mounters. The tape feeder is constructed so that front and rear locators are restrained by a restraint slot of a cam slider moving horizontally, and bearings of the front and rear locators alternatively execute vertical and horizontal movements while sliding along the restraint slot by a reciprocating motion of a cam slider, thus repeatedly moving a carrier tape backward while locking the carrier tape and moving the carrier tape forward while releasing the carrier tape, therefore allowing the carrier tape to be fed precisely. The tape feeder allows the carrier tape to be fed precisely, and prevents chips from being turned over and removed from the carrier tape when a vinyl cover is discharged, thus minimizing a malfunction of the chip mounter during an operation of the chips and thereby maximizing operational reliability. Further, the tape feeder allows the number of elements to be reduced, in addition to achieving a slim construction. Thus, the number of tape feeders mounted to the chip mounter can be increased.