180 results about "Shaft alignment" patented technology

An apparatus and a method for aligning a vertical shaft or multiple axially coupled vertical shafts in a hydroelectric turbine generator or a similar vertical-shaft system, and for providing precise plumb inclination alignment of a vertical rotating shaft. Precision inclinometers attached to the vertical shaft measure plumb inclination. Proximity probe displacement devices mounted externally of the vertical shaft measure radial movement, throw, or run out at various shaft elevations as the shaft is rotated relative to a fixed point. Data acquisition devices and communication devices accumulate and transmit alignment data to a micro-computer which receives and processes such data. Methods of defining shaft plumb inclination in a static single rotational position and defining plumb inclination of the virtual centerline of a shaft's rotational throw position. A method of swinging, tilting, or adjusting a vertical shaft to a corrected or different plumb position relative to the earth's gravity.

A golf club incorporating an interchangeable shaft system includes a shaft and a club head. The shaft is removably coupled to the club head. Hosel and shaft alignment features provide discreet orientations between the shaft and club head. The shaft alignment features and a fastening member are integrated into the construction of the shaft.

A method and apparatus is disclosed for remotely and robotically installing an organic, monolithic, structural and non structural, circumferential and partial radius membranes in conduits, pipelines or passageways. The included apparatus has the mechanical function to manually or automatically center the liner dissipation device in any geometrical shape. The included apparatus possesses the remote controlled capability to manipulate centrifugal dissipation of the liner to afford consistent thickness on any shaped profile or flat surface of the pipe wall surface. The apparatus includes a manual or automatic mechanical scissoring device for elevation changes and a manual or automatic rotational table for shaft alignment. The apparatus includes a means of automated self alignment by way of proximity sensors. The pendulum oscillation bracketing incorporates a fluid driven motor assembly communicating with a bored shaft and integrates as many as two offset dissipation devices. The included apparatus has both fluid and electrical rotary unions to transmit fluids and current from fixed ports to a rotating shaft assembly. The included apparatus has a mechanical function facilitating cutting and retrieval of cured spray build up on the spray orifice. This method and apparatus will allow for continuous lining applications of any thickness in one pass, in conduits and passageways employing multi component liquid polymers with rapid mechanical properties formation.

A power end frame assembly for a reciprocating pump that includes a first and second end plate segment each including annular bearing support surfaces configured to support a crankshaft bearing assembly. At least one middle plate segment is disposed between the first and second end plate segments and includes an annular bearing support surface configured to support a crankshaft bearing assembly. The annular bearing support surfaces of the first and second end plate segments and the at least one middle plate segment each have a diameter and are coaxially aligned. The diameter of at least one of the first and second end plate segments is different from the diameter of the at least one middle plate segment to facilitate insertion and removal of the crankshaft bearing assembly from the power end frame assembly.

The invention provides an ultra-elastic alloy slice mechanical arm, comprising a small joint body, a big joint body, an ultra-elastic alloy slice, a front-end camera and a driving mechanism; the joint body and the driving mechanism are connected through a wire pulling machine. The mechanical arm replaces the bearing through the ultra-elastic alloy slice and connects to every joint, thus the weight is lightened, and the mechanical arm is free from mechanical gap, high in motion precision and simple in structure; joints are in orthogonal connection, several driven joint slices are arranged between adjacent active joints, thus the bending flexibility of the mechanical arm is increased; a wire pulling hole of a joint driving pulling wire is in a cross shape, thus the coupling property between the pulling wires in movement is effectively reduced, and the control accuracy is improved; the driving mechanism is driven by a lever, and the rotating shaft of every lever is in the form of shaft alignment; the lever s are rotated in a ladder form and evenly distributed, thereby reducing the number of the driving unit and shortening the volume of the driving mechanism; for applying a tower type driver structure, every center connector adopts a modular form, and the center connector can be laminated freely so as to increase and decrease the drive unit.

The invention discloses a polarization-maintaining photonic crystal fiber and panda fiber welding method. The polarization-maintaining photonic crystal fiber and panda fiber welding method is characterized by comprising a step 1 of selecting an initial position of a fiber, a step 2 of aligning a polarization shaft, and a step 3 of welding. The polarization-maintaining photonic crystal fiber and panda fiber welding method realizes better matching of two fiber mode fields and lowering welding consumption by controlling collapse of an air hole of a photonic crystal fiber and a diameter at the welding point of the panda fiber. The polarization-maintaining photonic crystal fiber and panda fiber welding method lowers welding consumption and improves welding intensity by adding a propelling distance in a fiber welding process appropriately. By adopting a novel welding machine and an end face imaging and shaft alignment technology, the polarization-maintaining photonic crystal fiber and panda fiber welding method can realize alignment of the polarization shafts of both the photonic crystal fiber and the panda fiber and improve shaft alignment precision. The polarization-maintaining photonic crystal fiber and panda fiber welding method, disclosed by the invention, has the advantages of being simple in technology, only needing once welding, and being easy to operate, good in repeatability and applicable for welding between photonic crystal fibers of the other types and traditional single-mode fibers.

The invention discloses a ship propulsion shafting whirling vibration and twisting vibration simulation experiment device. The experiment device comprises a pedestal, a motor, an inter-axial transmission mechanism, a whirling vibration shaft and a twisting vibration shaft; the motor is fixed to the pedestal, the whirling vibration shaft and the twisting vibration shaft are in parallel arranged above the pedestal; the inter-axial transmission mechanism is used for driving said two shafts, and comprises a combination wheel and inter-axial gears, and belts, gears or chains are driven as needed; the whirling vibration shaft is provided with an alignment flange, a counterweight disc, an adjustable displacement bearing and measurement interfaces; the twisting vibration shaft is provided with a shock excitation motor, universal joints, an universal joint angle control apparatus and measurement interfaces, and the rotor of the shock excitation motor is connected to the shaft and used for simulating and generating twisting vibration. The experiment device is simple in structure and strong in pertinence, and can be applied to simulation study of shafting whirling vibration and twisting vibration and impact of shafting alignment status and transmission manner to whirling vibration and twisting vibration.

The invention discloses a process for installing reamer transmission shafts of a cutter-suction dredge, comprising the steps of shaft alignment and installation, internal boring, infield machining, installation of a 'Cellon' water lubrication composite material bearing, rear shaft filling, installation of a sealing device, in-place installation of the front end shaft of the reamer shaft, fitted ground, shaft centering, accessory installation and the like. The invention has the advantages of convenient installation, good working effect and easy operation.

The invention provides a polarization maintaining optical fiber end surface axis alignment device and method. The polarization maintaining optical fiber end surface axis alignment device comprises a microscope, a light source, a crossed objective table, an axis alignment control module, an axis direction control module and an executing mechanism, wherein the ocular view of the microscope is provided with a reference line; polarization-maintaining optical fiber with the end surface cut is clamped by a fixture of the axis alignment control module, and the end surface of a polarization-maintaining optical fiber to be axis-aligned is arranged under the objective of the microscope; the light source is used for lighting up the side cladding layer of the polarization-maintaining optical fiber sothat the stress area of the end surface of the polarization-maintaining optical fiber to be axis-aligned can be positioned inside the view of the objective of the microscope; the axis alignment control module and the crossed objective table are fixedly connected; the executing mechanism is used for adjusting the crossed objective table to drive the axis alignment control module to rotate so that the contour of the stress area of the end surface of the polarization-maintaining optical fiber is tangential to the reference line inside the ocular view of the microscope to achieve shaft alignment between the end surface of e polarization-maintaining optical fiber and the reference line; the axis direction control module is used for clamping the axis-aligned polarization-maintaining optical fiber through the clamping plates of the fixture to achieve axis direction between the end surface of the polarization-maintaining optical fiber and the reference line.

A tape drive apparatus is provided with a base plate and tape path components on this base plate. The apparatus includes a bracket that is adjustably coupled to the base plate, the bracket carrying a magnetic head for reading and writing to a tape transported by the tape path components. Adjustment couplings couple the bracket to the base plate and are lockably settable to adjust and lock the spatial orientation of the magnetic head with respect to a tape transported by the tape path components. Pre-loaded jackscrews of the adjustment couplings are rotated to adjust and lock the azimuth and zenith settings for the magnetic head. A separate penetration screw independently controls the penetration of the magnetic head into the path of the magnetic tape.

A rotary encoder with free floating flexible sensor carrier provides a sensor carrier that eliminates the traditional need for bearings and a housing in a rotary encoder, as well as allowing for significant cost savings in material and installation costs, improving acceleration and reducing startup and running torque. A bushing is rotationally fixed to a shaft the rotation of which is desired to be measured. An encoder disc is axially connected to the bushing. A sensor is held in an alignment above the encoder disc by a sensor carrier. The sensor may be connected directly to the sensor carrier or to a circuit board which is connected to the sensor carrier. A shaft alignment portion of the sensor carrier encircles the shaft and a plurality of stabilizing arms hold the sensor carrier in place, thus maintaining the sensor in proper alignment.

The invention belongs to the field of ship design, and particularly relates to a ship shafting optimizing method and optimizing platform. By means of the method, the shafting design quality is improved, and the aims of improving the shafting alignment quality and reducing shafting vibration are achieved by optimizing the positions of shafting bearings in the primary design stage. The basis is provided for ship safety and stable operation. By means of the method, the new scheme is provided for controlling the vibration characteristics of shafting in the alignment design stage, the method has important theoretical and engineering practical value, the defects of the scheme in the prior art can be overcome, and the design quality of various types of ship shafting is improved.

The present invention discloses a shaft alignment regulation and measurement device. The device comprises a first shaft to be measured, a laser emission device, a first connection flange, a second shaft to be measured, a laser receiving device, a second connection flange, a shaft alignment measurement support and an infrared ray measurement clamping block; the laser emission device and the laser receiving device are respectively fixed on the first shaft to be measured and the second shaft to be measured; the first connection flange and the second connection flange are respectively located at connection ends of the first shaft to be measured and the second shaft to be measured; the shaft alignment measurement support is fixedly connected with the laser emission device; and the infrared raymeasurement clamping block is absorbed at the bottom portions of the first shaft to be measured and the second shaft to be measured. The shaft alignment regulation and measurement device is taken as alaser measurement device for alignment errors based on the CCD sensing technology, is mainly applied to detection and regulation of alignment errors of two coupling drive shafts of the rotary machinery in the installation, debugging and maintenance processes and ensures that the axes of the drive shafts are located in the same line so as to meet the requirement of high-precision installation.

The invention discloses a ship propulsion shafting alignment method. The ship propulsion shafting alignment method comprises the steps that an actual shafting curve is created, in the whole site construction process, the actual shafting curve can be observed, the fitting degree of the shafting curve after actual adjustment and a theoretical shafting curve is increased, alignment accuracy during shafting installation is improved, the potential safety hazard of the bearing high temperature damage risk under different operating conditions is reduced, shortcomings of the existing shafting alignment methodare made up, and ship power safety is improved. The ship propulsion shafting alignment method is used in the field of ship shafting alignment.

The invention relates to a stress-focusing shaft-alignment panda polarization-maintaining fiber and a shaft alignment method thereof. The fiber comprises a fiber core coated at the center of a cladding layer; stress regions are arranged at the cladding layer and are symmetrically arranged at the two sides of the fiber core symmetrically; focusing light-transmission circles are arranged at centers of the stress regions; and the refractive index of the focusing light-transmission circle is higher than that of the stress region. The diameter D1 of the fiber core belongs to (3 micros, 5 microns), the diameter D2 of the cladding layer belongs to (58 microns, 81 microns), the diameter D3 of the stress region belongs to (10 microns, 30 microns), and the diameter D4 of the focusing light-transmission circle at the center of the stress region belongs to (2 microns, 8 microns). According to the fiber and the shaft alignment method thereof, the focusing light-transmission circles will form a bright line at a field of view during spotting, focusing, and alignment process at the side and the bright line can be used for precise alignment.

The invention provides a shaft load measurement method based on mechanical measurement. The method is implemented through the first to eighth steps. The method can provide a precise shaft load value for the shaft load alignment. The method effectively improves the shaft load alignment precision. The method can avoid the bearing wear and ship vibration which may be caused by the shaft installation,and guarantees the normal transmission of the power of a main unit. The method is suitable to be used as a shaft load measurement method.