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282results about How to "Achieve tilt" patented technology

Accurate one-dimensional rotary and two-dimensional tilting table

The invention discloses a one-dimensional rotation and two-dimensional inclination working platform, which comprises a pedestal, a bottom layer board, a middle layer board, an upper layer board, an adjusting mechanism and a driving part. The bottom layer board and the upper layer board achieve the inclination of the working platform in a mutually orthogonal direction respectively, while the middle layer board achieves the rotation of the working platform in a larger range in a plane vertical to the two orthogonal directions. The pedestal is connected with the bottom layer board through a rotating pair, a wedged slide block and a spring, a linear guide way is fixed on a bottom plate, and the wedged slide block supports the bottom layer board; the bottom layer board is connected with the middle layer board through a cambered guide way and a central rotating shaft; and the middle layer board is also connected with the upper layer board through the rotating pair, the wedged slide block and the spring, the linear guide way is fixed on the middle layer board, and the wedged slide block supports the upper layer board. The adjusting mechanism comprises a coarse adjusting structure and a fine adjusting structure. The invention can achieve the work demands of the one-dimensional rotation and the two-dimensional inclination for the working platform, and can achieve the angle positioning of a sub-angle second-time level in a larger space adjusting range.
Owner:TONGJI UNIV

Test method and test device for torsional composite fretting friction wear

InactiveCN101963563AReal and effective analysisReal and effective testInvestigating abrasion/wear resistanceNormal loadFretting
The invention discloses a test method and a test device for torsional composite fretting friction wear. The method comprises the following steps that: a, an upper test piece is clamped on an upper fixture connected with a six-axis force/moment sensor, and a lower test piece is clamped by a lower fixture, wherein the lower fixture is fixed on an inclined rotary motor (13) shaft; b, a data acquisition control system controls the upper fixture and the upper test piece to move up and down and move left and right to make the upper fixture and the upper test piece contact and keep a set normal load Fn, and the data acquisition control system controls a rotary motor and the lower test piece to rotate in set parameters; and c, the six-axis force/moment sensor measures a tangential force, namely a frictional force Ft, the frictional force Ft is sent to the data acquisition control system, and the curve of the frictional force Ft and a rotary angle displacement amplitude theta is obtained through analysis to represent dynamic characteristics of torsional composite fretting. By the method, composite fretting damage of a component in complex stress is more really simulated; the precision of control and test is high; the repeatability of experimental data is good; and the automation degree is high.
Owner:SOUTHWEST JIAOTONG UNIV

Array photosensitive resistor laser collimation deformation measuring method and apparatus

The invention discloses an array photosensitive resistor laser collimation deformation measuring method and apparatus. The method comprises, first of all, determining a reference point (1) and a measuring point (2), arranging one laser module (3) for emitting a laser towards a fixed direction on the reference point (1), and arranging one array photosensitive resistor displacement sensor (4) on the measuring point (2); emitting the laser towards the measuring point (2) through the laser module (3) to form a stable reference line, wherein the laser leaves a stable light spot on the array photosensitive resistor displacement sensor (4); calculating a laser light spot center point through a laser light spot influence interval; and through scale change of the laser light spot center point on the array photosensitive resistor displacement sensor (4), identifying displacement change of a target object in an array photosensitive resistor direction. The method and apparatus provided by the invention can realize displacement monitoring of an object body relative to the reference line so as to realize multiple monitoring items including horizontal displacement, vertical displacement, inclination, disturbance and the like in the field of deformation monitoring.
Owner:李跃伟 +1

Objective table device for rapidly focusing microscope

The invention discloses an objective table device for rapidly focusing a microscope. The objective table device is composed of an upper objective table, a base, piezoelectric ceramic executors, a pre-tightening spring, a control unit and the like. According to the objective table device for rapidly focusing the microscope, independent or synchronization telescope movements of the three piezoelectric ceramic executors which are fixedly arranged between the upper objective table and the base are controlled to change the horizontal degree or the height of the objective table; the control unit is used for driving the radial displacement of the piezoelectric ceramic executors by adjusting current voltage, changing an inclined direction and an inclined angle of the upper objective table and ascending and descending the upper objective table. The objective table device for rapidly focusing the microscope can be used for various optical microscopes including biological microscopes, integrated type microscopes and the like and can be used as a microscope auxiliary appliance; the imaging effect of the microscope is improved and the difficulty of focusing operation is reduced. The piezoelectric ceramic executors are adopted so that the movement precision of the objective table reaches a 0.1-micron grade, a focusing speed reach an ms grade, and the change of an accurate focusing range which is more than 50 microns is easy to realize. The objective table device for rapidly focusing the microscope has the characteristics of simple structure, easiness for operation and the like; a precision, rapid and accurate focusing scheme is provided for high-magnification microscopic observation.
Owner:JILIN UNIV

Five-axis controlled motion control mechanism of water cutting head with functions of rotation and swing

The invention relates to a five-axis controlled motion control mechanism of a water cutting head with the functions of rotation and swing, which comprises a connecting flange (1) and a connecting frame (2) of a rotating shaft. The mechanism is characterized in that a rotating motor support (11) is mounted on the connecting frame (2) of the rotating shaft, a small synchronizing wheel (13) is mounted on an output shaft of a rotating motor (47), the small synchronizing wheel (13) is connected with a big synchronizing wheel (8), the big synchronizing wheel (8) is mounted at the upper end of a hollow main shaft (6), and the lower end of the hollow main shaft (6) is connected with a swing connecting frame (17); and a swing motor (48) is mounted on the swing connecting frame (17), the swing motor(48) is connected with the small synchronizing wheel (19), the small synchronizing wheel (19) is connected with the big synchronizing wheel (20) through a synchronizing belt, the big synchronizing wheel (20) is mounted on a swing shaft (21), and the water cutting head (49) is mounted on the swing shaft (21). As the mechanism increases the control with two degrees of freedom of rotation and swing,the mechanism is conductive to improving the precision and the efficiency of processing of water cutting, simultaneously expands the application range of the water cutting and realizes the five-axiscontrol in the true sense.
Owner:DARDI INT CORP

Screening machine for tea leaf processing

The invention discloses a screening machine for tea leaf processing. The screening machine for tea leaf processing comprises a box body and a bottom plate, a feeding pipe is arranged on the left sideof the upper end of the box body, a motor frame is arranged on the right side of the upper end of the box body, a motor is arranged at the upper end of the motor frame, a cam is connected to the leftend of the motor through a motor shaft, a movable rod is arranged in the middle of the upper end of the box body, and a pressing block is arranged at the upper end of the movable rod. According to thescreening machine for tea leaf processing, the motor works to enable the cam to act on the pressing block, and the movable rod is made to move downwards; when the cam moves to another position, the movable rod rebounds under the action of second springs, and the movable rod can move up and down so as to drive a coarse screen plate, a middle screen plate and a fine screen plate to shake up and down, and therefore the tea leaves can be screened; the screen plates are in sliding connection with the movable rod through a movable frame, the vibration frequency and the vibration amplitude of the screen plates are further improved, therefore the tea leaf screening efficiency of the screen plates is improved; and different material guide plates are arranged on the right side of the box body corresponding to different screen plates, and therefore collection is facilitated after screening is completed by the screen plates.
Owner:ANHUI XINXUTANG TEA CO LTD

Axial plunger pump flow distribution pair test oil membrane thickness test system

The invention discloses an axial plunger pump flow distribution pair test oil membrane thickness test system and relates to the technical field of an electrically driven liquid pump. The system comprises an experiment compartment, a flow distribution disc, a cylinder flow distribution end surface, a cylinder main body, an end cover, a high-pressure oil pipe, a low-pressure oil pipe, a positioning pin, an A support bearing, a B support bearing and an oil return pipe, wherein the experiment compartment is of a casing-like structure and is internally provided with an experiment oil chamber; in the experiment oil chamber, the flow distribution disc is installed at the right end of a driving shaft; the axle center of the end cover is connected with the axle center of the cylinder main body through the positioning pin; the cylinder main body is internally provided with two plunger chambers symmetrical about the axle center; the end cover is provided with oil pipe holes at positions where the two plunger chambers are in butt-joint cooperation; one of the two oil pipe holes is connected with the low-pressure oil pipe, and the other is connected with the high-pressure oil pipe; and the cylinder flow distribution end surface is circumferentially uniformly provided with probes of three current vortex displacement sensors. A conventional flow distribution pair test simulation apparatus is simplified, and the actual pump working condition of a flow distribution pair is more accurately simulated.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Laser cladding device applied to workpiece repair

The invention relates to a laser cladding device applied to workpiece repair. The device comprises a cladding platform, clamping equipment, cladding processing equipment and cladding treatment equipment, wherein the clamping equipment is arranged on the cladding platform, the cladding treatment equipment comprises a travelling mechanism, a heating device and a powder recovery device, the travelling mechanism comprises first guide rails, a travelling frame and a moving frame, the two first guide rails are distributed on the two sides of clamping mechanisms correspondingly, the bottoms of the two ends of the travelling frame are arranged on two second guide rails in a sliding mode, the moving frame is located above the travelling frame, a shear type lifting frame is arranged at the top of the moving frame, a mounting platform is arranged at the top end of the shear type lifting frame, and the heating device and the powder recovery device are arranged on the mounting platform. According to the laser cladding device, the heating device is driven by the travelling mechanism to move in the three-dimensional direction, a heating base is arranged on the outer side of a to-be-cladded position of a workpiece, the workpiece is locally preheated by means of an infrared heating pipe, and the cladding quality is effectively guaranteed.
Owner:江苏联宸激光科技有限公司

Multi-probe and single-probe integrated test system and test method

The invention discloses a multi-probe and single-probe integrated test system and a multi-probe and single-probe integrated test method, which aim at solving the disadvantage of the existing antenna measurement system that measurement from a meter wave level frequency band to a millimeter wave level frequency band cannot be realized. The multi-probe and single-probe integrated test system is characterized by comprising a rotatable bearing platform, a multi-probe array device and a single-probe detecting device, wherein the multi-probe array device is positioned on one side of the bearing platform, and comprises a plurality of first probes which are distributed in a ring array and used for realizing frequency band detection between meter wave and millimeter wave levels; and the single-probedetecting device is positioned on one side opposite to the multi-probe array device, and comprises a second probe which can rotate around a tested object to form a detection arc surface and is used for detecting up-down extension of the meter wave level frequency band and the millimeter wave level frequency band. The multi-probe and single-probe integrated test system and the multi-probe and single-probe integrated test method realize the measurement of radiation feature data of the tested object from the meter wave level frequency band to the millimeter wave level frequency band, and are more convenient in measurement process.
Owner:SUNYIELD TECH CO LTD

Clamp special for nanoindenter

The invention relates to a clamp special for a nanoindenter. The clamp comprises the following components: four telescoping racks and workpiece clamping blocks are arranged on the upper surface of a workpiece supporting plate, the bottom parts of the telescoping racks are provided with telescoping slide blocks, and the workpiece supporting blocks and the telescoping slide blocks are embedded in atelescoping slide way; the tail ends of the telescoping racks are provided with electromagnets, an inclined gear is arranged below the workpiece supporting plate, and rotation supporting racks are arranged at the side of the workpiece supporting plate; the inclined gear and an inclined tooth bar are connected in engagement, the bottom of the inclined tooth bar is connected to a movable slide way by a movable slide bar, the slide bar is internally provided with a spring, and the end of a micrometer is connected to an inclined tooth bar in contact connection; the rotation supporting rack bottompart and a tooth bar rack are fixed at a rotating disk at the lower part; the inner side of the rotating disk is provided with gear teeth with inclination angles, the outside of a fixed disk is provided with uniformly distributed gear teeth, and the rotating disk is connected to the fixed disk in engagement connection through gear teeth. The clamp has simple operation, can realize multi-freedom motion of the workpiece, and ensures good contact between a pressure head and a workpiece to be measured in the working process of the nanoindenter with accurate and reliable experiment results.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Aquatic product transportation device

The invention discloses an aquatic product transportation device. The aquatic product transportation device comprises a transportation box and a damping device, wherein dragging rings are arranged ontwo sides of the transportation box; a retaining ring is arranged on the bottom of the transportation box; an upper guide track is arranged on a bottom plate of the transportation box; the upper guidetrack is in the shape of a right-angled prism; a right-angled surface of the upper guide track is fixed on the bottom plate of the transportation box; a guiding groove is formed in an oblique plane of the upper guide track; the damping device comprises a damping bottom plate and a damping side plate; the damping side plate is perpendicularly fixed at one end of the damping bottom plate; a first motor is arranged on the damping side plate; a dragging rope with a dragging hook is arranged on the first motor; a damping groove is formed in the damping bottom plate; a plurality of V-shaped dampingassemblies are arranged in the damping groove; an upper base plate which is matched with the damping groove is arranged on the tops of the V-shaped damping assemblies; a fixing buckle which is matched with the retaining ring and a lower guide track which is matched with the upper guide track are arranged on the upper base plate; and a magnetic suspension damper is arranged on the bottom of the damping bottom plate. Vibration generated in a transportation process of the aquatic product transportation device can be eliminated, and stress response of fishes in a transportation process is avoided.
Owner:SHANDONG INST OF COMMERCE & TECH

Pet cat tooth-washing fixing holder

A pet cat tooth-washing fixing holder mainly comprises a base, an oblique table, a rotary table, a fixing clamp, a head air bag, an opening expander and a controller, wherein two sides of the base areprovided with side walls, the side walls are hinged and connected to the middle of the oblique table, the two sides of the hinged connection positions of the base are symmetrically provided with twooblique air cylinders, and the upper ends of the oblique air cylinders are supported at the bottom of the oblique table. Two sides of the oblique table are provided with supporting frames, and the rotary table is connected with the supporting frames through bearings. The rotary table is provided with a rotatable turntable, and the supporting frames are provided with clamping grooves. The head airbag is provided with a fixed end and two free ends, wherein the fixed end is fixedly connected with a supporting cloth end, and the free ends are connected to supporting cloth through fasteners. The opening expander mainly comprises a telescoping air cylinder having a bidirectional effect and supporting pieces arranged at two ends of a piston rod of the telescoping air cylinder. The pet cat tooth-washing fixing holder achieves effective cat fixation, can open the mouth of a cat and achieves the purpose of tooth washing without general anesthesia.
Owner:INST OF ANIMAL SCI & VETERINARY MEDICINE SHANDONG ACADEMY OF AGRI SCI

Full-automatic thermal leveling device

The invention belongs to the technical field of mechanical machining equipment, and particularly discloses a full-automatic thermal leveling device. The full-automatic thermal leveling device comprises a rack, wherein a horizontal pushing mechanism, a lifting mechanism and a material taking mechanism are arranged on the rack, and a material truck is arranged on the lower portion of the rack. A supporting frame is arranged on one side of the rack, and a first conveyor belt is fixedly connected to the rack. A supporting table is arranged on the lower portion of the supporting frame, a supportingrod is slidably connected in the supporting table, and a compressed spring is fixedly connected to the lower end of the supporting rod. A conveyor belt mechanism is hinged to the upper end of the supporting rod, a spring is connected between the supporting rod and the conveyor belt mechanism, and the conveyor belt mechanism comprises a heating lower pressing plate and two second conveyor belts, wherein the starting end of each second conveyor belt is located at the tail end of the first conveyor belt. A rotating rod provided with a clamping opening is rotationally connected to the right end of the conveyor belt mechanism, one side of the supporting table is provided with a cooling oil tank which is provided with material receiving discs, and each material receiving disc is provided with aclamping part. The supporting frame is provided with an upper pressing plate, and the upper pressing plate and the heating lower pressing plate are arranged in an up-and-down opposite manner. According to the full-automatic thermal leveling device, automatic leveling of parts can be achieved.
Owner:重庆厚朴开物科技有限公司
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