2897 results about "Axial displacement" patented technology

The invention belongs to the field of equipment coupling monitoring, and particularly relates to a dynamic coupling compensation method for thermal expansion and axial displacement, which comprises the following steps of: calculating a first characteristic value for representing reference dynamic offset of a sensor based on a three-dimensional thermal-structure coupling model by acquiring a thermal expansion parameter and axial displacement parameter sequence of a casing; calculating a second characteristic value representing the real position change of the rotor in combination with a rotor-casing axial thermodynamic model, establishing a piecewise coupling function considering a nonlinear effect, working condition self-adaption and cross interference, and eliminating the mechanical thermal inertia and measurement system lag influence through a dynamic delay compensation mechanism; an accurate axial displacement measurement total error compensation index is generated, and grading compensation actions are intelligently triggered according to error grades; the problem of measurement distortion caused by dynamic coupling of thermal expansion and axial displacement is effectively solved, and the accuracy and reliability of state monitoring of the rotating machine are remarkably improved.

The invention relates to the technical field of wind power generation. The invention provides a fan main shaft backward movement monitoring and evaluating method and system. The method comprises the following steps: acquiring an axial displacement signal, a vibration signal, a bearing temperature signal and a lubrication state parameter of a fan main shaft in real time; based on a multi-parameter fusion algorithm, performing coupling analysis on the axial displacement, the vibration amplitude, the bearing temperature and the lubrication state to generate a comprehensive risk index; performing dynamic diagnosis on the comprehensive risk index in combination with a main shaft backward movement mechanism model, and identifying at least one fault root cause of axial force imbalance, thermal stress abnormality or lubrication failure; an alarm threshold value is dynamically adjusted according to wind speed change, temperature fluctuation and load working conditions, and graded early warning is triggered based on the fault root cause; and based on historical operation data and a real-time monitoring result, evaluating a main shaft backward movement risk level, and generating a decision report containing a maintenance priority and a technical improvement suggestion. The problem that existing fan main shaft backward movement monitoring depends on manual inspection and offline detection technologies, and limitation exists is solved.

The invention relates to the field of welding machining, in particular to a titanium alloy shell combined laser welding device which comprises a welding gun and a wire feeding mechanism. The wire feeding mechanism comprises a shell, a wire reel and a wire feeding assembly. The wire feeding assembly comprises a mounting seat, a wire feeding wheel, a wire pressing structure and an adjusting part; the mounting base is fixed to the shell, the wire feeding wheel is rotationally mounted on the mounting base, and the rotating axis of the wire feeding wheel is parallel to that of the wire reel; a plurality of wire feeding grooves used for being matched with welding wires are sequentially distributed in the peripheral wall of the wire feeding wheel in the axial direction of the wire feeding wheel. And the wire pressing structure is used for pressing the welding wire on the wire feeding wheel downwards. The axial displacement of the wire feeding wheel is adjusted through the adjusting part, the wire feeding groove matched with the welding wire can be switched without replacing the wire feeding wheel, the adjusting part enables the jacking pressure of the wire pressing structure on the welding wire to be in positive correlation with the diameter of the welding wire matched with the wire feeding groove, in other words, the thicker the welding wire is, the larger the jacking pressure of the wire pressing structure on the welding wire is through the adjusting part, and the wire feeding effect is guaranteed; and slipping in the conveying process caused by the change of the size of the welding wire is avoided.

A deflection control mechanism for a steerable flexible endoscope, the endoscope having an elongate flexible shaft comprising a steerable section that is deflectable by movement of at least one elongate control element, comprises a support structure, a drive wheel rotatably supported in or on the support structure, and a hand wheel rotationally coupled to the drive wheel, wherein the deflection control mechanism includes a brake stator element rotationally coupled to the support structure and a brake rotor element rotationally coupled to the drive wheel, and wherein a first one of the brake stator and brake rotor elements comprises an elastically deformable lip and the other one of the brake stator and brake rotor elements comprises a friction surface, the elastically deformable lip being arranged for being pressed against the friction surface by axial displacement of the brake stator element relative to the brake rotor element.

An in-situ fretting corrosion fatigue testing machine based on synchrotron radiation diffraction and three-dimensional (3D) imaging includes an axial fatigue loading system, a fretting loading system, and a corrosion environment control system, where the axial fatigue loading system includes a driving device, a load control device, and a load sensing device; the load sensing device is configured to measure an axial force and a normal force in real time; the driving device is configured to drive the load control device, thereby achieving axial displacement of the load control device; the load control device is configured to carry out axial fatigue loading of a specimen; and the fretting loading system includes a fretting wear device. The testing machine achieves real-time 3D imaging characterization of wear spot and crack morphology of a material in a fretting corrosion environment, as well as characterization of a residual stress evolution law.

A seatpost assembly having: a first portion configured to include a seat; a second portion displaceable relative to the first portion in a retracting direction to a first position and an axially extending direction to a second position retracted relative to the first position; and an active motive force to drive the displacement. The range of displacement is between a fully extended position and a fully retracted position, with a mid-stroke position between. Preferably including an external actuator that is functional to convert the motive force into linear actuation of the displacement. Preferably where the motive force is provided from manual manipulation applied externally to the seatpost assembly. Preferably including an external controller, where incremental manipulation of the controller corresponds to incremental axial displacement. Preferably including a latching mechanism to selectively restrict the axial displacement.

The invention relates to an air blower based on magnetic and gas combination axial force balance and a control method of the air blower, and belongs to the technical field of axial force regulation and control of air blowers. An axial air suspension bearing and an axial magnetic bearing are arranged in a main machine of the air blower, the axial magnetic bearing is connected with a magnetic bearing controller, and the magnetic bearing controller controls the axial position of a rotor by controlling the current of the axial magnetic bearing; an axial displacement sensor and a radial displacement sensor are arranged to detect the displacement of the rotor; and the main controller is used for controlling the starting and stopping of the axial magnetic bearing and the main machine based on the axial displacement and the radial displacement of the rotor, and sending out early warning. According to the magnetic and air combined axial force balance device, the axial magnetic bearing is used for providing active control force, the air bearing is used for providing passive support, the stability and reliability of a system are improved, and an important protection effect is achieved on core parts of an air blower.

The invention discloses a radial forging machine chuck rotation oscillation braking electro-hydraulic control system and method, and the control system comprises a position detection encoder installed on a hammer head of a forging main machine, a hydraulic servo motion controller, a high-frequency servo valve, an oscillation braking oil cylinder with the same area as an A cavity and a B cavity, and an oscillation braking device with a worm gear and a worm. The pressure sensor and the displacement sensor are integrated on the oil cylinder to form a closed-loop control loop; the control method comprises the following steps: activating an oscillation braking function and collecting hammer phase, oil cylinder pressure and displacement signals in real time; a sine control signal synchronous with the forging frequency is generated based on the brake phase of 270-360 degrees; a brake oil cylinder is driven to push the worm to axially move, and the rotating speed of the chuck is modulated through the helix angle characteristic; and the amplitude is dynamically adjusted through a displacement-pressure feedback signal, and 25MPa overrun protection is executed. The purposes of reducing the brake response delay rate, the forge piece distortion rate and the equipment impact load are achieved, and 90-620 times / min wide-frequency-domain forging is supported.

The invention belongs to the technical field of electric digital data processing and foundation engineering, and discloses a method for calculating stress and displacement of a foundation pile in a soil body under the action of a pile top axial load, which comprises the following steps of: taking the pile top as an origin of coordinates, and taking the downward direction of the longitudinal axis of a pile body as a z axis; according to the basic mechanical equilibrium condition of an infinitesimal body formed by the micro-section length randomly selected in the axial direction of the pile body, the boundary condition of the force at the top end of the pile and the deformation coordination relation between the bottom end of the pile and the foundation, characteristic variables reflecting the pile body stress and displacement distribution mode are solved; and according to the basic mechanical equilibrium condition of the infinitesimal body, the boundary condition of the force at the top end of the pile and the characteristic variables, the pile body axial displacement, the pile body axial force and the pile side surface friction resistance at different depths in the axial direction of the pile body are solved. The rapid and effective method and scientific basis are provided for design calculation and analysis of the foundation pile in the soil body under the action of the axial load of the pile top, and the method has important technical method significance and engineering application value.

The invention provides a shaft end nut locking position identification and tightening control method, and belongs to the technical field of industrial intelligent manufacturing, and the method comprises the steps: installing a high-precision inductive displacement sensor to monitor the axial displacement of a nut in real time; constructing a tightening control system of an integrated torque measurement and displacement monitoring unit; collecting real-time displacement data and eliminating interference through a sliding window filtering algorithm; identifying a nut locking critical point based on a displacement gradient analysis method; calculating an optimal torque function according to the shaft end contact mechanical mathematical model; the locking torque is accurately adjusted by adopting a temperature compensation type torque control method; a multi-mode locking intelligent identification model is used for analyzing locking process parameters and dynamically adjusting a tightening control parameter set, and accurate identification of an initial contact position and intelligent optimization adjustment of tightening parameters in the shaft end nut locking process are achieved.

According to the three-point bending high-temperature fatigue test instrument and method based on X-ray in-situ imaging, an extreme thermal field is applied to a sample based on halogen lamp infrared radiation focusing heating, a clamp ascends and descends through a servo hydraulic cylinder, and axial displacement of the ends of the sample is converted into bending moments at the two ends through the rotation characteristic of a connecting rod mechanism; therefore, a monotonous or cyclic bending external load is applied to the sample. Meanwhile, an oxidizing or inert test gas atmosphere is provided. And the acoustic emission system monitors the material damage failure starting time in real time. The device is small in size, high in precision and fast in response, and provides technical support for the damage evolution process characterization and failure damage mechanism research test of the tested sample under the heat-force-oxygen multi-field coupling action by combining a three-dimensional high-temporal-spatial-resolution X-ray characterization technology.

The invention provides an air tightness detection device of a pressure balance type plug valve, and relates to the technical field of valve air tightness detection. An air tightness detection device of a pressure balance type plug valve comprises a water pool, an adjusting mechanism, two clamping mechanisms and an end sealing mechanism, the end sealing mechanism comprises two groups of positioning assemblies and two groups of sealing assemblies, and the positioning assemblies and the sealing assemblies are communicated and used for enabling the sealing assemblies to generate axial displacement. The sealing assembly is coaxially arranged in multiple layers, the structures of all the layers of the sealing assembly are the same, the sealing assembly is used for being inserted into an inlet and an outlet of a plug valve to be detected, and by means of the multi-layer design of the sealing assembly and the design that the positioning assembly enables each layer of the sealing assembly to generate independent axial displacement, the plug valve to be detected can be detected. The sealing assembly is adapted to plug valves to be detected with different calibers; the sealing assembly has the action of expansion under the action of air source pressure, so that the part inserted into the plug valve to be detected is in sealed connection with the plug valve, and the sealing performance is ensured.

Some embodiments relate to a luer connector comprising a housing having a hollow bore therethrough, a first end, and a second end, a male luer tip supported by the housing configured to rotate with respect to the housing, the luer tip having a first open end and a passageway through the luer tip in fluid communication with the first open end, and a substantially rigid internal member extending into the passageway of the luer tip toward the first open end of the luer tip. In some embodiments, at least one of the luer tip and the internal member can be axially moveable between a first closed position and a second open position relative to the other of the luer tip and the internal member. Further, the luer tip and the internal member can cooperate such that rotation of the luer tip in a first direction relative to the housing increases an axial displacement between the first open end of the luer tip and an end portion of the internal member.

An actuator sub-assembly (12) for a vehicle brake (10) is set out, having a brake caliper (14), in which an intermediate space (16) for a brake rotor (18) is formed, wherein in the intermediate space (16) there is arranged a brake block (20) which can be applied to the brake rotor (18), and having a spindle drive (16) which has a spindle nut (30) and an electromotively driven spindle (28) for axially moving the spindle nut (30), wherein the spindle nut (30) can be displaced by means of axial displacement between an extended position and a retracted position and has an end face (32) which faces the brake block (20). Between the spindle nut (30) and the brake block (20) there is provided between adjacent portions a convex-curved uncoupling face (48) which transmits an axial advance force of the spindle nut (30) in the direction towards the brake block (20) and along which the adjacent portions can be moved relative to each other in at least one direction. A brake block is further set out.

The invention discloses a suspension type viscosity and density on-line measuring device and a suspension type viscosity and density on-line measuring method. The device comprises a cavity, a rotating part, a reference rotor, a suspension rotor, a torsional elastic piece and a distance measuring sensor, the rotating part is fixedly connected to the cavity; the reference rotor is fixedly connected to the outer wall of the rotating shaft, synchronously moves along with the rotating shaft and is higher than the liquid level of measured liquid; a suspension detection end is arranged at the upper end of a suspension body of the suspension rotor, the suspension body is connected with the rotating shaft through a torsion elastic piece, the suspension body suspends in detected liquid, the suspension detection end is exposed out of the detected liquid, and the suspension rotor is driven by the rotating shaft to rotate; the distance measuring sensor fixed in the cavity measures the rotating speed of the reference rotor, the axial displacement of the suspension detection end and the phase difference between the reference rotor and the suspension rotor so as to calculate the viscosity and density of the liquid to be measured. The device has the effects of measuring the density and the viscosity of the liquid in real time and being high in measurement precision.

A differential gear arrangement for a vehicle. The differential gear arrangement includes a ring gear, a spindle gear, a spindle gear carrier, a side gear and an output shaft. The spindle gear is carried by the spindle gear carrier and rotatable relative to the spindle gear carrier. The spindle gear and the side gear are engaged with each other. The side gear is rotationally connected to the output shaft. The ring gear is arranged to drive the output shaft by rotating the spindle gear carrier when the ring gear and the spindle gear carrier are rotationally connected to each other. The ring gear and the spindle gear carrier are rotationally disconnectable from each other by axial displacement of the spindle gear carrier relative to the ring gear and the output shaft.

A rotating electrical machine includes a rotor configured to be rotatable around a rotation axis of the rotor, and a stator facing the rotor in a radial direction. The stator includes a stator iron core having a first core portion, a second core portion facing the first core portion in the radial direction, an elastically deformable member between the first core portion and the second core portion, and a tooth provided opposite to the second core portion with respect to the first core portion and extending radially from the first core portion. A winding is wound around the tooth of the stator iron core. The first core portion, the second core portion, the elastically deformable member, and the tooth are integrated together A mechanism reduces an axial displacement of the tooth during winding of the winding around the tooth.

A surgical kit includes a stapling device and a powered actuation assist detachably couplable to the stapling device. The stapling device includes an anvil half section, a cartridge receiving half section, and a firing assembly including an actuation knob movable along a length of the cartridge receiving half section. The powered actuation assist includes a motor assembly, a lead screw operatively coupled to the motor assembly, a knob connector coupled to the lead screw, a battery pack, and a first switch electrically coupled to the motor to activate the motor. The knob connector is configured to detachably engage the actuation knob of the stapling device to impart axial displacement to the actuation knob. Actuation of the motor assembly imparts rotation to the lead screw, which, in turn, causes axial displacement of the actuation knob of the firing assembly.

The invention provides a high-power gearbox operation condition identification and risk early warning method, and belongs to the technical field of gearbox risk early warning based on deep learning. The method comprises the following steps: firstly, acquiring operation data of the high-power gear box under multiple working conditions based on multiple types of sensors, and preprocessing to form a time sequence data set; then, a multi-branch feature extraction model is designed, and depth features of specific working conditions such as tooth breakage, bearing faults, axial displacement and tooth backlash changes are extracted with priori knowledge as guidance; further constructing a gearbox operation condition recognition model, and realizing multi-label condition recognition and confidence evaluation through feature fusion based on an attention mechanism, Transform enhanced modeling and a graph reasoning network; finally, a multi-stage dynamic early warning module is designed, graded early warning is triggered by integrating the instantaneous state, the evolution trend and prognosis evaluation, and safe and stable operation of the high-power gearbox is guaranteed. According to the method, the recognition accuracy and generalization performance of complex working conditions and multi-fault concurrent situations are improved.

The invention relates to the technical field of machining, in particular to a cylindrical workpiece clamping device based on a milling and boring machine, which comprises a milling and boring machine workbench, a clamping and supporting mechanism for supporting two ends of a cylindrical workpiece is arranged at the top of the milling and boring machine workbench, and the clamping and supporting mechanism comprises a V-shaped seat and clamping assemblies symmetrically arranged on the V-shaped seat. The clamping assembly is obliquely arranged on the V-shaped seat so as to limit the axial displacement of the cylindrical workpiece; an elastic supporting mechanism is further arranged on the top of the milling and boring machine workbench and comprises a lower supporting base, an upper supporting base and an elastic assembly, and the elastic assembly is arranged between the lower supporting base and the upper supporting base. The top of the milling and boring machine workbench is further provided with a workpiece pressing mechanism for limiting axial rotation of the cylindrical workpiece. According to the milling and boring machine workbench, cylindrical workpieces of different sizes can be clamped and fixed, milling and boring machining of the cylindrical workpieces of different sizes can be completed, the cylindrical workpieces can be conveniently and rapidly aligned, and the milling and boring machine workbench can be suitable for milling and boring machine workbenches of various specifications.

The invention relates to the technical field of earthquake resistance of building structures, in particular to an assembly type self-resetting friction energy dissipation angle brace provided with a disc spring, which comprises a first connecting component, an elastic sliding component and a second connecting component which are sequentially and slidably connected along the same axis, and the elastic sliding component can be stretched or compressed along the axis direction. A first friction plate is arranged between the first connecting component and the elastic sliding assembly, and the first friction plate is used for providing damping during axial relative movement between the elastic sliding assembly and the first connecting component. According to the embodiment of the invention, when the first connecting component and the second connecting component generate relative axial displacement, the elastic sliding assembly slides and elastically deforms under the action of the limiting piece, part of earthquake energy is stored, meanwhile, part of earthquake energy is dissipated through the first friction plate, and when the elastic sliding assembly resets and releases the stored elastic potential energy, the earthquake energy is stored. The energy stored by the first friction plate is dissipated, so that the vibration of the building is dissipated in the friction of the first friction plate.

The utility model relates to the field of operation machinery, and discloses an operation mechanism, a suction cup vehicle and operation machinery. The supporting assembly is used for supporting the working device; the rotating adjusting assembly is arranged in the supporting assembly and comprises a rotating device, the rotating device comprises a shell, a rotating shaft arranged in the shell, a piston connected between the rotating shaft and the shell in a sleeving mode and a hydraulic circulating oil way capable of driving the piston to move in the axial direction, and in the axial displacement process of the piston, the piston and the rotating shaft can synchronously rotate in the shell; the rotating device can drive the working device to rotate around the axis of the rotating shaft through rotation of the rotating shaft. According to the invention, the pressure applied to the telescopic arm of the sucker vehicle or the arm support structure of other types of operation machinery by the operation mechanism can be reduced, so that the arm support structure such as the telescopic arm has larger load margin, more operation requirements can be met, and the adaptability of the sucker vehicle or other types of operation machinery is improved.

The slurry feeding system in the battery diaphragm coating equipment comprises a scraper box and a material storage cavity formed in the scraper box, and scraper blades which are located on the two sides of the material storage cavity and are obliquely arranged are installed on the scraper box; one side of the anilox roller is arranged in the material storage cavity, and the edge of the scraper blade is in sliding fit with the surface of the anilox roller; the scraper box is provided with a feeding port located in the bottom of the scraper box and an overflow port located in the top of the scraper box. A plurality of grooves which are uniformly distributed in the circumferential direction of the anilox roller and are used for accommodating slurry are formed in the anilox roller; the driving mechanism is used for driving the anilox roller to rotate; the device further comprises a first adjusting mechanism and a second adjusting mechanism, the first adjusting mechanism is used for adjusting the spacing distance between the anilox roller and the scraper box, and the second adjusting mechanism is used for adjusting the axial displacement distance of the anilox roller relative to the scraper box. Foams need to be eliminated in the slurry feeding process, and the loading modulus and the coating width are adjusted in the process that the anilox roller conducts glue transferring to the follow-up procedure.

The present invention provides a frost heave strain test device for a concrete lined channel, and relates to the technical field of freeze-thaw cycle test devices, including a frost heave body storage bin, wherein a plurality of temperature sensors are evenly arranged at intervals from bottom to top at the axis of the frost heave body storage bin; a simulated lining, wherein the frost heave body storage bin below the simulated lining is filled with a frost heave soil layer, and an axial displacement monitoring device is used to detect the axial displacement of the simulated lining; by pumping freeze-thaw medium into the medium storage bin, the freeze-thaw medium exchanges heat with the frost heave body storage bin above, thereby causing the frost heave soil layer to undergo frost heave changes. The present invention replaces the traditional precast concrete lining structure with a simulated lining, and the simulated lining can be used repeatedly, and can further simulate concrete of different strength grades, thereby greatly reducing the consumption of raw materials, being fast, efficient, energy-saving and environmentally friendly; and at the same time, the existing scattered structures are integrated, thereby reducing the occupied space.

The invention discloses polishing equipment for machining a shaft rod for manufacturing an air compressor, and relates to the technical field of polishing equipment. Comprising a sliding block which is slidably connected with a moving assembly, a square plate is fixedly connected to the top of the sliding block, a circular block is rotatably connected to the outer surface of the square plate, a through hole is formed in the outer side of the end, away from the square plate, of the circular block, and a fixing part is slidably connected into the through hole. According to the polishing equipment for shaft rod machining for air compressor manufacturing, electric push rods work to push clamping blocks to move towards the shaft rod in the middle in through holes, so that the multiple clamping blocks clamp and fix the two ends of the shaft rod, the two ends are fixed to provide bidirectional constraint for a shaft, radial and axial displacement of the shaft during rotation or stress is reduced, and the polishing effect is improved. And meanwhile, various shaft workpieces can be flexibly adapted by adjusting parameters such as the distance between the two sliding blocks and the size of the chuck, and equipment does not need to be frequently replaced or special tools do not need to be customized.

The utility model provides a supporting structure for a hot water insulation pipe, which comprises a supporting piece, a sliding seat, a buffer piece and a holding assembly, and the supporting piece is arranged on the ground along the vertical direction; the sliding base is slidably connected to the top of the supporting piece in the horizontal direction. The buffering piece is arranged on the sliding seat and comprises a guide cylinder, an elastic piece and a connecting table, the guide cylinder is connected to the upper portion of the sliding seat and provided with an upward opening, the elastic piece is arranged in the guide cylinder and extends upwards, and the connecting table is connected to the upper end of the elastic piece and is in sliding fit with the guide cylinder; the enclasping assembly is connected to the upper end of the connecting table, the main shaft is parallel to the sliding direction of the sliding base, and the enclasping assembly is used for enclasping the periphery of the pipeline. The supporting structure for the hot water heat preservation pipe can quickly adapt to changes of the length of the pipeline when the pipeline generates axial displacement or radial vibration, buffer the radial vibration, avoid breakage of the outer wall of the pipeline and guarantee the heat preservation performance of the hot water heat preservation pipe.

The invention discloses a laser radar windscreen wiper mechanism which comprises a track part and a moving assembly, and the moving assembly is provided with a transmission part coupled with the track part. The pivot shaft is connected to the transmission part in a circumferential rotation mode, the windscreen wiper assembly comprises a windscreen wiper base and a windscreen wiper strip fixed to the windscreen wiper base, and the windscreen wiper base is switched between an unfolding position and a containing position along with rotation of the pivot shaft; when the windscreen wiper base is located at the unfolding position and the moving assembly moves, the windscreen wiper strip can make contact with the surface of the laser radar window and form sliding fit with the surface of the laser radar window, meanwhile, the transmission part travels along the track part, the curvature change of the track part is converted into axial displacement of the pivotal shaft, and the pivotal shaft is driven by the transmission part. The laser radar window surface cleaning device has the advantages that the laser radar window surface cleaning effect is good, the structure is simple, the service life is long, and the laser radar window surface cleaning device is good in laser radar window surface cleaning effect, and the laser radar window surface cleaning device is simple in structure and long in service life.

A fastening device for releasable connection to a perforated rail of an aircraft and a method of assembly for such a fastening device. The fastening device comprises a housing having at least one locking head portion fixedly connected to the housing, at least one shear pin and an actuating pin. The locking head portion is insertable into a rail hole of the perforated rail and slidable along the longitudinal direction of the perforated rail to a locking position in which the locking head portion engages a slot portion of the perforated rail. The shear pin can be engaged with a rail hole of the perforated rail by axial displacement. The actuating pin is rotatably arranged relative to the housing and connected to the shear pin in such a way that a rotation of the actuating pin causes an axial displacement of the shear pin relative to the housing.

The invention discloses a centerless grinding machine grinding wheel guide wheel center height and end face combination adjusting device and a centerless grinding machine, which realize the adjustment of the center height and end face parallel difference of a guide wheel and a grinding wheel, simplify the adjusting process and reduce manual intervention, thereby improving the production efficiency. According to the centerless grinding machine, a guide wheel frame of the centerless grinding machine achieves grinding angle rotation through an eccentric rotation shaft, the eccentric rotation shaft is provided with a centering sliding block, and axial displacement adjustment of a guide wheel main shaft system is achieved through a sliding block displacement adjusting device. A grinding wheel spindle system is arranged on one side of the guide wheel spindle system; an eccentric shaft fastening screw is arranged on the guide wheel main shaft system and is used for fastening the guide wheel frame and the eccentric rotating shaft into a whole; the centering sliding block and the sliding block displacement adjusting screw rod are both installed in the guide wheel frame installation fixing body, the centering sliding block is matched with the fixing body sliding groove, one end of the sliding block displacement adjusting screw rod is connected with the centering sliding block, and the other end of the sliding block displacement adjusting screw rod extends out of the guide wheel frame installation fixing body and is connected with the adjusting screw rod fixing frame.

The invention discloses a high-pressure gas cylinder pressure stabilizing device used in a continuous high-temperature curing furnace. The high-pressure gas cylinder pressure stabilizing device comprises a mounting bracket, a pressing module and an inflation butt joint module, the pressing module comprises a top mounting seat and a pressing block; the top mounting seat is mounted on the mounting bracket through a top displacement adjusting mechanism; the pressing block can be mounted on the top mounting seat through a vertical displacement adjusting mechanism; the inflation butt joint module comprises a side mounting seat and an air tap male head; the side mounting seat is mounted on the mounting bracket through a side displacement adjusting mechanism; the air tap male head is mounted on the side mounting seat through an axial displacement adjusting mechanism; a tail inflation rod is fixed to the tail of the air tap male head, and a rotary connector capable of being connected with the air inlet end of the inflation air path is installed at the tail of the tail inflation rod. The device has the advantages of being convenient to use, simple and compact in structure, capable of being accurately in butt joint with the inflation nozzle on the gas cylinder and the like.