118results about "Measurement apparatus bearings/suspensions" patented technology

A double-bearing position encoder has an axle stabilized within a housing via two bearings disposed on opposite walls of the housing. The axle is in communications with a rotating cam. The cam actuates a pulser so as to generate an active pulse at a tissue site for analysis by an optical sensor. The axle rotates a slotted encoder wheel or a reflective encoder cylinder disposed within the housing so as to accurately determine the axle position and, hence, the active pulse frequency and phase.

A double-bearing position encoder has an axle stabilized within a housing via two bearings disposed on opposite walls of the housing. The axle is in communications with a rotating cam. The cam actuates a pulser so as to generate an active pulse at a tissue site for analysis by an optical sensor. The axle rotates a slotted encoder wheel or a reflective encoder cylinder disposed within the housing so as to accurately determine the axle position and, hence, the active pulse frequency and phase.

A shifting device for a motor vehicle is provided with a bracket (3), with a selector lever (7) mounted at the bracket (3) pivotably via a joint (12) and with an angle-measuring device having a signal transmitter (13) and two sensors (14, 15). The angle-measuring device is arranged in the joint (12) and is electrically connected to a control means (19) connected to a motor vehicle transmission (21).

A microelectromechanical system (MEMS) sensor and method for measuring the motion of an intermediate member and a method for making the MEMS sensor. The MEMS sensor includes a substrate, a lower magnetic member disposed on the substrate, a layer disposed over the substrate, an upper magnetic member disposed at a side of the layer facing the lower magnetic member, an intermediate magnetic member magnetically levitated between the lower magnetic member and upper magnetic member; and a component measuring at least one of motion, forces acting on, and a displacement of the intermediate magnetic member.

A microelectromechanical system (MEMS) sensor and method for measuring the motion of an intermediate member and a method for making the MEMS sensor. The MEMS sensor includes a substrate, a lower magnetic member disposed on the substrate, a layer disposed over the substrate, an upper magnetic member disposed at a side of the layer facing the lower magnetic member, an intermediate magnetic member magnetically levitated between the lower magnetic member and upper magnetic member; and a component measuring at least one of motion, forces acting on, and a displacement of the intermediate magnetic member.

A motor controller comprising, a detector configured to perform a difference processing for information relating to a counter electromotive force and an induced electromotive force generated by a stepping motor, and to generate a driving control signal based on a result of the difference processing, and a driver configured to drive the stepping motor based on the driving control signal.

A gravity-stabilized sensor mount is disclosed having a base member pivotably coupled to a multi-axis gimbal with damping means disposed between the base member and one or more gimbal elements. The gimbal assembly is coupled to a connecting member which may, in turn, be coupled to a moving platform such as a land vehicle, aircraft or marine vessel. The base member may have a payload such as a sensor system mounted on it and is provided with counter-balances so that the base member remains level in two horizontal axes with respect to the surface of the Earth regardless of the vertical orientation of the connecting member.

The invention discloses a suspending-and-lifting-type local environment detection device, comprising: a fixed base, a base and a plurality of environment detection instruments. The top part of the fixed base abuts against the bottom of a workshop. The central position at the bottom part of the fixed base is provided with an installation groove; and the inner part of the installation groove is placed with the base. The bottom of the base extends to the lower part of the fixed base and the central position at the bottom part of the base is welded by an electrical worm. The bottom of the electrical worm is connected with a connection rod; and the connection rod is driven by the electrical worm to move upwards and downwards. The bottom part of the connection rod is welded by an installation table. The plurality of environment detection instruments are welded around the bottom part of the installation table in an inclined manner. The outer wall of the base is provided with clamping grooves arranged at an equal interval. The detection device of the invention is both economical and practical, facilitating the operations of the work people. The base of the suspending-and-lifting-type local environment detection device can be detached conveniently so that the suspending-and-lifting-type local environment detection device can be replaced conveniently. In addition, the fixed base is not required to be detached from the inner wall at the top part of a workshop.

Wheel suspension for a vehicle (7), with a carrier element (5), with a wheel carrier (1), which is arranged at a spaced location from the carrier element (5) and which is pivotable about a steering axle (30), with a wheel (14) mounted rotatably on the wheel carrier (1), with a steering wheel (58), which is mounted rotatably on the carrier element (5) at least indirectly and by means of which the wheel carrier (1) is pivotable about the steering axle (30), with at least one joint (8), which is connected to the wheel carrier (1) and which has a housing (26), a pivot pin (25) mounted pivotably in same and an angle-measuring device with a magnet (27) and with a magnetic field-sensitive sensor assembly unit (28), and with at least one guide means (2), via which the joint (8) is connected to the carrier element (5). A deflection (ω) of the pivot pin (25) relative to the housing (26) can be determined by means of the angle-measuring device in at least two different directions in space, and the magnetization (M) of the magnet (27) is oriented such that it extends at right angles to the steering axle (30).

A bearing which includes a bearing ring and rolling elements. The bearing ring includes an outer surface, having a groove around a circumference of the outer surface, wherein the groove is adapted to accommodate a fiber sensor. The bearing further comprises a clamping element, wherein the clamping element retains the fiber sensor with a clamping force acting in a radial direction of the bearing ring such that the fiber sensor intimately engages the bearing ring. Due to the clamping force, relative movement of the fiber sensor can be reduced.

The invention provides a motion accompanying suspension device providing constant hanging force. The device comprises an aerostatic guide rail, a first fixed pulley, a second fixed pulley, an additional fixed pulley, a movable pulley, a suspension rope and a weight reduction weight, wherein slide blocks are slidably arranged on the aerostatic guide rail, and are fixedly connected with a fixed pulley seat; the first fixed pulley and the second fixed pulley are arranged on the fixed pulley seat; the movable pulley is arranged on a movable pulley seat; a moving part is hoisted on the movable pulley seat; one end of the suspension rope is fixed on a fixed framework; the suspension rope passes through the first fixed pulley, the movable pulley, the second fixed pulley and the additional fixed pulley in sequence; the other end of the suspension rope is connected with the weight reduction weight; the first fixed pulley and the second fixed pulley are flotation bearing pulleys; air inlet holes are reserved on the axle centers of the first fixed pulley and the second fixed pulley; the air inlet holes are communicated with high-pressure gas inlet pipes; and the moving part is hoisted on the movable pulley seat. The device has the advantages of small friction resistance, high quality accuracy and high motion accuracy, and can better adapt to high-accuracy situations.

Wheel suspension for a vehicle (7), with a carrier element (5), with a wheel carrier (1), which is arranged at a spaced location from the carrier element (5) and which is pivotable about a steering axis (30), with a wheel (14) mounted rotatably on the wheel carrier (1), with a steering wheel (58), which is mounted rotatably on the carrier element (5) at least indirectly and by means of which the wheel carrier (1) is pivotable about the steering axis (30), with at least one joint (8), which is connected to the wheel carrier (1) and which has a housing (26), a pivot pin (25) mounted pivotably in same and an angle-measuring device with a magnet (27) and with a magnetic field-sensitive sensor assembly unit (28), and with at least one guide means (2), via which the joint (8) is connected to the carrier element (5). A deflection (ω) of the pivot pin (25) relative to the housing (26) can be determined by means of the angle-measuring device in at least two different directions in space, and the magnetization (M) of the magnet (27) is oriented such that it extends at right angles to the steering axis (30).

A bearing which includes a bearing ring and rolling elements. The bearing ring includes an outer surface, having a groove around a circumference of the outer surface, wherein the groove is adapted to accommodate a fiber sensor. The bearing further comprises a clamping element, wherein the clamping element retains the fiber sensor with a clamping force acting in a radial direction of the bearing ring such that the fiber sensor intimately engages the bearing ring. Due to the clamping force, relative movement of the fiber sensor can be reduced.

An onboard electronic device operating unit enables a needle calibration mode by performing a specified needle calibration enabling operation on part of multiple setup operation sections. The setup operation sections can change setting states of control contents for an onboard electronic device. In the needle calibration mode, part of the setup operation sections functions as a needle calibration section. Operating the needle calibration section can calibrate a needle position of a needle-type display apparatus.

A sensor assembly for measuring relative rotary movement about a pivot joint having an axis of rotation between a first member and a second member.

The invention relates to a self-centering timing disk hub with a timing disk support surface and a tubular hub sleeve, wherein the end of the hub sleeve can be pushed onto a motor shaft so as to provide in the hub sleeve a contact surface between the inner wall surface of the hub sleeve and the motor shaft. The outer wall surface of the hub sleeve has an at least approximately conical form, wherein the cone angle opens from the sleeve end to the timing disk support surface. The hub sleeve is slotted at least in the region of the motor shaft and a clamping element is movably arranged on the outer wall surface at the sleeve end. The invention also relates to a method for mounting a self-centering timing disk hub on a shaft, in particular a motor shaft of an encoder.

The equipment for test stands of the braking system of vehicles, in particular for four-wheel drive vehicles, includes a bearing frame having a resting and rotation apparatus for a wheel of a vehicle, suitable for resting the wheel and for allowing the free rotation of the wheel during a test of the braking system of the vehicle, and a containment element associated with the frame and suitable for engaging onto a portion of the wheel to retain the wheel onto the resting and rotation apparatus during the test of the braking system of the vehicle.

A guide rail of a linear guide, on guide surfaces on which a guide carriage is longitudinally displaceable. A material measure is arranged at a distance, preferably in parallel, to the guide rail and is fastened to the guide rail by means of a mount. The guide rail has a groove or a hole arranged outside the guide surface. The mount can be detachably fastened by means of expanding elements that engage with the groove or into the hole.

A rotary encoder for determining the rotation of an object to be measured includes a shaft that is coupled to the rotation of the object to be measured, as well as at least one bearing in which the shaft is rotationally mounted. The rotary encoder also has a rotary-transducer base member having a bearing fixation region at which the bearing is fixed in position, at least one depression area being formed continuously with a defined depth on the rotary-transducer base member along the periphery of the bearing fixation region such that it surrounds at least half the periphery of the bearing fixation region.

The invention relates to a self-centering timing disk hub with a timing disk support surface and a tubular hub sleeve, wherein the end of the hub sleeve can be pushed onto a motor shaft so as to provide in the hub sleeve a contact surface between the inner wall surface of the hub sleeve and the motor shaft. The outer wall surface of the hub sleeve has an at least approximately conical form, wherein the cone angle opens from the sleeve end to the timing disk support surface. The hub sleeve is slotted at least in the region of the motor shaft and a clamping element is movably arranged on the outer wall surface at the sleeve end.The invention also relates to a method for mounting a self-centering timing disk hub on a shaft, in particular a motor shaft of an encoder.

The invention relates to an undisturbed air-flotation magnetomotive suspension device based on double electromagnetic forces. In the device, an installation frame is fixed in the middle of a chassis, a chassis lower installing plate is fixed in the lower part; two small air bearings with installation guide bars and a big air bearing with a main rod are arranged on the top plate of the installation frame; a big air bearing with a main rod is arranged under the bottom plate of the installation frame; two symmetrical frictionless cylinders are arranged on the chassis lower installing plate, the piston rods of the frictionless cylinders are connected with a moving beam; the moving beam comprises two symmetrical parts, a main rod and two guide bars are arranged on the moving beam, a magnetomotive system contains two long-stroke moving coils and two shaker iron cores, the shaker iron cores are arranged between the bottom plate and top plate of the installation frame, and the two shaker iron cores are arranged on the two sides of the main rod symmetrically. The suspension device of the invention can effectively eliminate the influence of bending moment on vertical motion, thus the parts in vertical motion can work under undisturbed condition and satisfy frictionless demand.

The invention discloses a method and device for carrying out X-ray transillumination by utilizing a GIS barrel body as support. According to the method, a mechanical lifting device is arranged on the GIS barrel body to carry out the X-ray transillumination. The device comprises the GIS barrel body (10), the two faces, right opposite to each other, located on the upper portion of the GIS barrel body (10) are provided with hoisting pulleys (5) which are provided with hoisting ropes (3), the two ends of each hoisting rope (3) wind around the hoisting pulleys (5) and are connected with a hand-crank capstan (2) located on the lower portion of the GIS barrel body (10), the hoisting rope located on one face of the GIS barrel body (10) is provided with a DR plate assembling hanging frame (4), and the hoisting rope (3) located on the other face of the GIS barrel body (10) is provided with an X-ray machine hanging mechanism (8). The method and device can effectively solve the problems that in the prior art, when X-ray detecting is carried out on a GIS, the method of lifting and fixing an X-ray machine and a DR plate is unpractical, transillumination is inconvenient, the occupied space is large and the field space cannot meet the demands easily.

The invention discloses an intelligent agricultural multi-parameter acquisition device and method based on 5G. The device comprises a mounting plate, a mounting opening is formed in the outer wall ofthe top of the mounting plate, an inserting cylinder is fixedly connected to the inner wall of the mounting opening, a movable column is arranged in the inserting cylinder, and a soil pH value sensoris arranged at the bottom end of the movable column; a through hole is formed in the outer wall of the bottom of the inserting cylinder, a monitoring mechanism is arranged on the outer wall of the topof the mounting plate, a fixing mechanism is arranged on the inserting cylinder, limiting rings are fixedly connected to the positions, close to the top and the bottom, of the inner wall of the inserting cylinder, and the movable column is arranged in the limiting rings in a sliding mode; the monitoring mechanism comprises a rotating rod, fan blades, a displacement sensor and an encoder. The device is simple in structure, parameters such as the wind speed and the wind direction are quite convenient to collect, the inserting rods on the sliding plate can be moved out of the fixing openings andinserted into soil around the inserting cylinders, and the whole device is more stable.

This invention discloses a device for adjusting the fixed positions of detectors used in the device for carrying out CT safety check to liquid articles by radial sources including a base seat with a lateral sliding groove fixed on the base plate and a sliding frame inserted in the lateral sliding groove and mounted with detector module, in which, the lateral displacement of the frame is adjusted by a micrometer head of a frame plate fixed on the base plate and bolts are set on the base seat for locating and fixing the sliding frame.