226results about How to "High rotation accuracy" patented technology

The invention discloses a reflection module and a periscopic camera module thereof, and the reflection module comprises a light path turning element which is used for reflecting light incident along a first optical axis to be emergent along a second optical axis; the rotating frame is coupled to the light path turning element and supports the light path turning element to rotate around a first rotating shaft, and the first rotating shaft is parallel to the second optical axis and is not collinear with the second optical axis; a base for accommodating the rotating frame; the rotary driving part is configured to drive the rotary frame to rotate around a first rotary shaft relative to the base; a rotation support portion pressed between the rotation frame and the base in a direction parallel to the first optical axis and held in frictional contact with at least one of the rotation frame and the base; the rotation supporting part comprises a rotation guiding shaft and a rotation supporting piece which are arranged at intervals in the direction parallel to the first rotation shaft, the first rotation shaft penetrates through the center of the rotation guiding shaft and the center of the rotation supporting piece, and the rotation guiding shaft extends in the direction parallel to the first rotation shaft.

The invention relates to a split type rotating solar tracking photovoltaic system for a wind power tower, which is mounted on the tower of a wind power generator, and comprises a bearing assembly, a rotating assembly, a supporting assembly, a protection assembly and a photovoltaic assembly, and the supporting assembly is fixed on a retainer and is connected with the photovoltaic assembly; the rotating assembly is fixed to the tower through the bearing assembly. The rotating assembly drives the supporting assembly to rotate around the tower. The protection assembly is fixed to the tower and surrounds the outer side of the rotating assembly, a driving motor of the rotating assembly is arranged on the protection assembly, a conical gear ring is arranged at the end, close to the first supporting sliding rail, of a holder of the rotating assembly, the output end of the driving motor is connected with a conical gear matched with the conical gear ring, and the conical gear is meshed with the conical gear ring. The invention relates to a holder rotating device. Compared with the prior art, the split type structure is adopted, mounting and dismounting are convenient, maintenance is convenient, and the beneficial effects of being good in protection effect, long in service life, low in maintenance cost and the like are achieved.

The invention discloses a miniature zero differential type double-flow transmission gear reduction box which comprises a box body shell, a straight transmission gear set, a steering transmission gear set, a first planetary differential mechanism, a second planetary differential mechanism, a first output gear set and a second output gear set. The straight transmission gear set, the first planetary differential mechanism and the first output gear set are arranged on one side in the box shell, and the steering transmission gear set, the second planetary differential mechanism and the second output gear set are arranged on the other side in the box shell. The first planetary differential mechanism and the second planetary differential mechanism are coaxially arranged and arranged at the two ends of the sun gear shaft correspondingly. The miniature zero differential type double-flow transmission gear reducer can be installed on a miniature crawler-type power platform, has the advantages of being small in size and high in universality, overcomes the defect that crosstalk exists in straight moving power input and steering power input, and achieves high-precision and high-stability rotating speed and torque output of the two extended output shafts.

The invention discloses a numerical control rotary table high-precision direct-drive static pressure supporting structure which comprises a base, a band-type brake mechanism, a torque motor, a motor connecting piece, a workbench, a bearing fixing piece and a static pressure bearing. The band-type brake mechanism is vertically mounted in the middle of the mounting cavity; a stator of the torque motor is fixedly connected with the base; the motor connecting pieces are located in the mounting cavity and distributed on the periphery of the band-type brake mechanism at intervals. The motor connecting pieces are fixedly connected with a rotor of the torque motor. The workbench is fixedly connected with the motor connecting piece and extends out of the mounting cavity; the bearing fixing pieces are located in the mounting cavity and distributed on the periphery of the motor connecting piece at intervals, and the bearing fixing pieces are fixedly connected with the base; the hydrostatic bearing is installed on the bearing fixing piece and located between the working table and the motor connecting piece, so that working oil films are formed in the gap between the hydrostatic bearing and the working table and the gap between the hydrostatic bearing and the motor connecting piece after oil is fed, and the rotation precision is improved.

The present invention discloses an integrated device of a motor and a planetary reducer and a manufacturing method thereof, and the technical scheme thereof includes: a casing, a motor assembly and a planetary reducer assembly, the casing is provided with mounting cavities for the motor assembly and the planetary reducer assembly respectively, the motor assembly and the planetary reducer assembly are matched in transmission, and a cooling structure is provided on the outer circle of the casing. The manufacturing method mainly processes the casing, the stator core is installed on the casing, the rear end cover of the motor is fixed on the casing, the rotor of the motor is first installed on the front end cover inside the motor, and then pressed into the stator, the sun gear of the planetary reducer is installed on the motor shaft, and the gear lubricating oil is added through the planetary gear oil filling port on the casing, and the coolant needs to be introduced into the casing during operation. The entire technical scheme has a compact structure, simple transmission, and convenient maintenance, and the system efficiency, rotation accuracy, position accuracy and service life are greatly improved, and the heat generation and operating noise are greatly reduced.

The utility model relates to a quick release structure of a stirrer for an automatic cooker and the stirrer, and belongs to the technical field of automatic cookers. The quick release structure comprises a stirring shaft of the stirrer, wherein a first suction part is arranged at the top of the stirring shaft; a first attraction magnet is arranged in the first attraction part; a guide hole is formed in the stirring shaft; the guide hole penetrates through the first suction part; a second suction part is arranged in the middle of the mounting shaft; a second attraction magnet is arranged in the second attraction part; guide shafts are arranged at the lower ends of the mounting shafts; the top of the guide shaft is fixedly connected with the bottom of the second suction part; the guide shaft is matched with the guide hole; through the first suction part and the second suction part which are arranged at the top of the stirring shaft of the stirrer, the stirrer and the mounting shaft of the power source can be quickly disassembled and assembled, the guide hole in the stirring shaft is matched with the guide shaft on the mounting shaft, and the slender guide shaft hole is matched, so that excellent rotating precision can be realized, and the cooking machine can operate more stably and quietly.

The invention relates to a hydraulic center frame device, and relates to the technical field of workpiece supporting devices. Comprising a supporting device and a displacement adjusting device, and the supporting device is installed on a machine tool and used for supporting a workpiece in the horizontal direction and the lower direction; the displacement adjusting device is arranged on the rear side of the supporting device and used for adjusting the workpiece supporting position point of the supporting device in the horizontal direction and the lower direction and changing the supporting force in the horizontal direction and the lower direction so as to reduce deformation of the workpiece in the supporting process and improve the rigidity and rotation precision of the workpiece. When a workpiece is mounted, the workpiece can be quickly centered through the device; when the workpiece is unloaded, the device is loosened, the workpiece is unloaded along with the device, and machining precision and efficiency of a machine tool are guaranteed.

The invention discloses an angle positioner for ablation biopsy needle puncture under CT guidance, and belongs to the technical field of ablation biopsy needle angle positions.In the moving process, a driving gear at the outer end of a rotating rod drives a first driven gear and a second driven gear to be linked, a right-hand thread screw and a left-hand thread screw are driven to rotate, and the right-hand thread screw is driven to rotate; the right-hand thread screw and the left-hand thread screw push the abutting pad to extend outwards to be fixed in the rotating process, the fixing function can be achieved in the moving process, the double-linkage function is achieved, the abutting pad can also be rotated manually to move outwards and inwards, and the fixing effect is achieved. An inner angle scanning piece and an angle identification groove are matched for use, the rotating angle is measured in the rotating process of a biopsy needle angle adjusting piece, focusing can be rapidly carried out while the rotating precision is improved, alignment laser and a biopsy needle containing groove are matched for use, the alignment laser is correspondingly connected with the focusing point of fixed laser and the focusing point of rotating laser, and the alignment precision is improved. The function that the biopsy needle can be independently adjusted is achieved.

The present invention discloses a homopolar gas-magnetic dual-field dynamic pressure radial hybrid bearing, which includes a magnetic bearing stator, a gas bearing stator, a stator fixing sleeve, a rotor and an electromagnetic coil with an iron core. A plurality of stator petals in the magnetic bearing stator are spliced ​​with the help of a stator fixing sleeve to form a hollow cylinder, each stator petal is provided with a through slot, and a centripetal boss is fixed on the inner surface of the stator petal, and the centripetal boss and the through slot form a through hole in which the iron core can be placed; the gas bearing stator is installed between the magnetic bearing stator and the rotor, and the outer surface of the gas bearing stator is alternately distributed with a plane and an arc surface, and the plane corresponds to the centripetal boss and the iron core formed inside the magnetic bearing stator; the inner surface of the gas bearing stator is provided with a plurality of grooves simulating the shape of hummingbird wings. In this way, the advantages of the homopolar magnetic bearing and the gas dynamic pressure bearing are combined, and the stiffness of the air film in the bearing air gap is significantly improved, so that the bearing has a greater load-bearing capacity and higher stability, and is easy to manufacture and assemble, and is suitable for popularization and use.

The utility model discloses a disc tailstock of a numerical control machine tool. The disc tailstock comprises a shell, a rotating shaft, a bearing, a rotating disc and a brake mechanism. The shell comprises a shell body, a front end cover and a rear end cover, wherein the front end cover and the rear end cover are assembled on two opposite end sides of the shell body respectively. The rotating shaft is supported in the shell main body through a bearing; one tail end of the rotating shaft extends out of the front end cover and then is fixedly connected with the turntable; an abutting part is convexly arranged on the inner side wall of the shell main body towards the central axis of the rotating shaft, and a limiting flange is convexly arranged on the rotating shaft towards the abutting part; the brake mechanism comprises a brake pad and a brake linkage device used for braking the brake pad towards the abutting portion, the brake pad is arranged on the rotating shaft in a sleeving mode, the inner circle end of the brake pad is fixed to the limiting flange in an abutting mode, a first avoiding gap is formed between the outer circle end of the brake pad and the abutting portion, and the brake linkage device is fixed to the inner side face of the rear end cover. The specific structure and the assembly structure of the brake mechanism are optimized, so that the brake mechanism is reliable in structure and convenient to replace and maintain.

The invention relates to a two-shaft rotating motor framework which comprises a shell, a prism, a first support, a second support, a first fulcrum component and a second fulcrum component. The first fulcrum component comprises a main component providing the first shaft and an auxiliary component arranged far away from the main component; a second fulcrum member disposed between the second bracket and the housing to provide a second axis; the distance between the intersection point of the first shaft and the second shaft in space and the bottom of the shell is larger than or equal to the distance between the main component and the bottom of the shell. According to the invention, the coverage range of the supporting structure of the first bracket can be effectively expanded, and the first fulcrum component has a larger available installation area, so that the influence of the gravity torque of the prism can be better offset; and rotation in the Z direction is completed through the second support, so that the distance between the rotating pieces is increased, and the precision and stability of rotation in the Z direction are improved.

The present invention relates to the field of electronic components of circuit breakers, and discloses a rapid opening and closing assembly of a circuit breaker and an assembly device thereof, comprising a main body, wherein the main body comprises two fixed plates, an auxiliary plate is rotatably arranged between the two fixed plates, through grooves are symmetrically arranged on the fixed plates, an elastic component is rotatably installed in the through grooves, one end of the elastic component is rotatably connected to the two fixed plates, and the other end is rotatably connected to the auxiliary plate, two synchronization rods are fixedly connected to the rotating member, the synchronization rods are arranged through the through grooves and are connected to the auxiliary plates, and grooves are arranged on both sides of the auxiliary plates. The assembly comprises a base, an assembly table is fixedly arranged on the base, a press-fitting part is fixedly arranged on the assembly table, and a material moving part is arranged on the base and on one side of the assembly table. The rapid opening and closing assembly of the present invention adopts two elastic components to assist in driving the auxiliary plate to realize the rapid opening and closing action of the circuit breaker, and the assembly equipment performs high-precision assembly of the fixed plate and the auxiliary plate, and automatically rivets, with a high degree of automation, and the assembly process is simple and convenient.

The invention belongs to the technical field of numerical control machine tool spindles, and discloses a worm grinding wheel gear grinding machine spindle online dynamic balance method and device, and the method comprises the steps: S1, building a worm grinding wheel gear grinding machine spindle motion model; s2, designing a built-in dynamic balance device of the grinding wheel spindle; s3, acquiring vibration data of the main shaft in a running state in real time; s4, the unbalance amount is calculated, and the dynamic balance device is adjusted; and S5, vibration data are repeatedly obtained and adjusted until the radial runout of the main shaft is lower than a set threshold value. The method can effectively reduce the vibration of the main shaft and improve the rotation precision by acquiring the vibration data of the main shaft in real time and adjusting the built-in device. The device comprises a shaft core, a balance tile, a driving motor and an adjusting assembly. The driving motor transmits torque to the balance tile through the adjusting assembly, and the relative position adjustment of the balance tile relative to the radial direction of the shaft core is achieved. The device is simple in structure and convenient to install, high-precision real-time dynamic balance is achieved through cooperation of the built-in balance tile, the adjusting assembly and the like, and the system reliability is improved.

The embodiment of the invention provides a horizontal type primary-secondary exchange workbench. The horizontal type primary-secondary exchange workbench comprises a workbench base; the working table mother disc is connected with the working table base through a special rotary table bearing; the working table sub-disc is connected with the working table mother disc through a zero point positioning system; the power transmission system is connected with the workbench mother disc and provides a power source; the brake system is connected with the workbench mother disc and provides brake force; the angle feedback system comprises an encoder fixing seat and an angle transmission flange, the encoder fixing seat is connected with the workbench base, the angle transmission flange is connected with an oil way distribution inner ring, and the oil way distribution inner ring is connected with the workbench mother disc; and the oil path and gas path butt joint system is arranged between the workbench base and the workbench mother disc. The power transmission system selects a proper transmission structure according to specific working conditions, the angle feedback system monitors the rotating angle of a workbench mother disc in real time through an angle encoder, and full-closed-loop control is achieved through matched use of a high-precision angle encoder and a bearing special for a rotary table.

The invention relates to the technical field of laser measurement, in particular to a pivot base multi-dimensional error detection device based on laser scanning, which comprises a laser measurement device and an intermittent annular conveying device, a plurality of tooling plates are arranged on the intermittent annular conveying device, a driving assembly is arranged on the intermittent annular conveying device, and the driving assembly is connected with the laser measurement device. A mounting box is arranged on the tool plate, and an angle conversion assembly and a rotating assembly are arranged in the mounting box; through organic cooperation of three core mechanisms of transmission and driving time sequence cooperation, rotation and revolution mode switching and layered elastic driving, key problems of multi-degree-of-freedom cooperative control, single ball head motion function, driving failure in an inclined state and the like of an existing laser measurement system are effectively solved. And the completeness of workpiece three-dimensional form and position error detection is obviously improved.

This invention discloses a fully automatic metal honeycomb core automatic layout and cutting device, belonging to the field of metal cutting technology. It solves the technical defects of existing metal honeycomb core cutting equipment, such as core cell crushing and edge chipping, difficulty in active avoidance by the circular saw blade, and incomplete automated layout. The device includes a frame assembly, a workpiece feeding mechanism, a workpiece positioning unit, a workpiece clamping structure, a circular saw blade cutting moving component, a workpiece rotation mechanism, and a CNC control system. These systems work collaboratively to achieve fully automatic layout and cutting of the metal honeycomb core panels. The circular saw blade cutting moving component drives the circular saw blade to descend to the workpiece surface for follow-up cutting. After cutting, it actively avoids obstacles through lifting and lateral movement. The workpiece rotation mechanism is integrated with the workpiece clamping structure, enabling precise rotation of the honeycomb core. Combined with the fully automatic layout software built into the CNC system, it achieves a closed-loop automatic layout and cutting process.

The invention discloses a method for measuring the radial moving amount of a tapered roller bearing retainer, and the method comprises the steps: horizontally placing a measured bearing on a platform, fixing an inner ring and a roller, enabling the retainer to move to a limit position in a reciprocating manner in the radial direction, and obtaining the indicating value variation of a measuring meter; after the retainer moves to a limit position on one side, respectively measuring height values of outer diameters on two radial sides of the end surface of the small end of the retainer by using a measuring tool, and obtaining an error generated by inclination of the retainer and an error generated by axial displacement of the retainer by combining a formula based on the measured values; the same method is adopted to obtain errors generated by inclination of the retainer and errors generated by axial displacement of the retainer when the retainer reaches the limiting position on the other side; compared with a traditional measuring method, the method is more scientific and reasonable, errors generated by inclination and axial displacement are eliminated, the real and accurate radial moving amount of the tapered roller bearing retainer is obtained, and therefore misjudgment is avoided.

The invention discloses a linear driving electric cylinder based on a reverse ball screw pair. The linear driving electric cylinder comprises a shell, a motor, the reverse ball screw pair, an encoder, two angular contact ball bearings and two wave springs. The shell comprises a shell body, a shell body front end cover and a shell body rear end cover. A stator of the motor is fixedly mounted on the inner wall of the inner convex ring of the shell; the reverse ball screw pair comprises a ball nut fixed on the inner cavity wall of the motor rotor, a ball screw screwed on the inner wall of the ball nut and a plurality of rows of balls; the encoder is installed on the front end face of the shell rear end cover, and a feedback magnetic sheet of the encoder is installed on the rear end face of the nut end cover. The two angular contact ball bearings are installed on the front portion and the rear portion of the ball nut in a back-to-back mode. And the two wave springs are sleeved at the front part and the rear part of the ball nut and are respectively positioned between the two angular contact ball bearings and the front end surface and the rear end surface of the inner convex ring of the shell. The transmission efficiency can be improved, pre-tightening force can be provided, and expansion and shrinkage of parts influenced by temperature can be compensated.

The utility model discloses a control end rotating assembly and minimally invasive operating forceps, the control end rotating assembly comprises a handle shell, a flexible joint group, a rotating part and an adjusting part, and the flexible joint group is provided with a near end and a far end which are arranged in a linkage mode; the rotating part is arranged in the handle shell, the adjusting part is movably connected with the handle shell, and the rotating part is fixedly connected with the near end of the flexible joint set; the adjusting end of the adjusting part actuates the rotating part to rotate, the rotating part drives the near end of the flexible joint set to rotate, the near end of the flexible joint set acts on the far end of the flexible joint set in a linkage mode, and the adjusting operation in the rotating process is facilitated to be convenient and fast. Actuating action force of the adjusting end is received through the connecting wheel, the actuating action force is transmitted to the rotating wheel and the near end of the flexible joint set fixed to the rotating wheel through the force transmission piece, the rotating posture of the far end of the operating forceps can be flexibly adjusted through the adjusting end, and the requirement for surgical operation in minimally invasive surgery can be met.

The application discloses an active unloading type liquid static pressure spindle and relates to the technical field of liquid static pressure spindles.The active unloading type liquid static pressure spindle comprises a spindle, a tray is fixedly arranged at the upper end of the spindle, a conical roller bearing is fixedly arranged at the lower part of the spindle, a radial bearing is fixedly arranged between the tray and the conical roller bearing on the spindle, an inner shell is sleeved outside the radial bearing and the conical roller bearing, a ring-shaped groove is oppositely formed in the middle of the upper and lower end faces of the inner shell, and an upper cover plate and a lower cover plate are respectively fixedly installed in the ring-shaped groove.The radial bearing limits the spindle in the radial direction, the conical roller bearing limits the spindle in the radial direction and the axial direction, the spindle is prevented from being displaced in the axial direction and the radial direction during operation, the transmission efficiency of the spindle and the stability of operation are improved, the machining precision of the machined objects on the tray is prevented from being affected, the appearance of defective products caused by precision is reduced, and the machining quality is improved.

The utility model relates to the technical field of concrete pouring, in particular to a pouring mold for a track precast slab, which comprises a pouring cavity, a slurry outlet arranged below the pouring cavity, a conveying pipeline connected with the slurry outlet, and a first conveying pipe vertically arranged at the lower end of the slurry outlet and a second conveying pipe horizontally arranged. The first throttling part is connected with the first conveying pipe, is close to one side of the slurry outlet, and comprises a double-open butterfly valve arranged in the first conveying pipe; the slurry storage chamber is connected with the lower portion of the second conveying pipe, is close to the first conveying pipe and comprises a slurry storage cavity formed in the lower portion of the second conveying pipe and a slurry flowing opening communicated with the lower portion of the second conveying pipe. The second throttling part is connected with the second conveying pipe and located on the side close to the slurry output port. The second throttling part comprises a rotary throttling plate arranged in the second conveying pipe. According to the utility model, the two throttling parts and the slurry storage chamber are arranged to cut off slurry, so that the sealing performance is improved, and slurry leakage is avoided.

The utility model discloses a driving device of a solar tracking support, which comprises a body, a lubricating brush and a bottom plate, a plurality of spaces are arranged in the body, a notch is arranged on one side of the body, the lubricating brush is fixedly mounted on the surface of the notch arranged on the body, one end of the lubricating brush extends into the body, and the other end of the lubricating brush extends into the bottom plate. A through hole is formed in the surface of the body, a guide rail is arranged on the side of the body, a plurality of supporting balls are fixedly installed on the surface of the outer side of the body, the supporting balls are arranged around the hole formed in the body, and a first gear is fixedly installed in the center of the interior of the body. The center position of the first gear penetrates through a hole formed in the body and extends to the outer side of the body. The first gear and the second gear are arranged on one side of the first motor, the second gear is smaller than the first gear, the rotation inertia of the motors is limited through transmission of the gears, and through transmission of the gears, rotation of through connection is more accurate.

The application provides a bearing seat, an electric spindle assembly and a numerical control machine tool. The bearing seat comprises an outer seat body, an inner seat body, a damping structure and a cooling channel. The outer seat body forms an outer chamber, and the inner seat body is arranged in the outer chamber. A damping cavity is formed between the inner seat body and the outer seat body, and the damping structure is arranged in the damping cavity. The cooling channel is formed in the outer seat body, the inner seat body or the damping structure. The cooling effect and the damping effect are considered, the damping structure improves the support damping between the inner seat body and the outer seat body, and the vibration between the inner seat body and the outer seat body can be absorbed. The cooling liquid is introduced into the cooling channel, the heat generated by the high-speed rotation of the bearing can be taken away, the thermal deformation of the bearing and the bearing seat is prevented, the rotation accuracy of the electric spindle and the stability of the electric spindle operation are improved. The damping structure is formed by injecting a hot-melt glue type material into the damping cavity and solidifying, and the pressure of the damping cavity is not adjustable. The damping structure is formed by injecting metal powder, silicon oil or hydraulic oil into the damping cavity, and the pressure of the damping cavity is adjustable.

The utility model discloses double-color mold forming equipment which comprises a base, a plurality of supporting legs are arranged at the bottom of the base, a fixing seat is installed on the base, a driving assembly is arranged on the fixing seat, and a mold assembly is arranged on the driving assembly. After injection molding is completed, the cooling machine is driven by the control module, so that cooling liquid is pumped into the cooling seat, a model in a female mold is cooled, the model can be conveniently taken out or injection molding of a next color is conveniently carried out, the rotating accuracy of the driven gear can be improved by arranging the positioning mark and the arc-shaped rotating frame, mold assemblies can be conveniently butted, and the production efficiency is improved. And errors caused by rotation are reduced.

The utility model discloses a novel universal shaft assembly, including bottom plate, be provided with fixed subassembly on the bottom plate, the fixed subassembly includes mounting seat, fixed base, bolt, first axle body and second axle body, the mounting seat fixed mounting is at the both ends of bottom plate's top, the fixed base can be detached and installed on the mounting seat, the bolt can be detached and installed between fixed base and mounting seat, first axle body and second axle body are placed on the mounting seat respectively, be provided with disassembly subassembly on the fixed base, the disassembly subassembly includes oil injection pipe, connecting pipe and resist the pole, oil injection pipe fixed mounting is on the fixed base, connecting pipe fixed mounting is on the oil injection pipe, resist the pole sliding connection on the connecting pipe, to solve the background art mentioned in the installation fixed time of current universal shaft, although the traditional method can ensure the firmness of universal shaft, when universal shaft needs to maintain or replace, the more complicated technical problem.

The utility model provides a kind of high torque planetary reducer belongs to speed reducer technical field.It solves the torque small technical problem of existing planetary reducer.The high torque planetary reducer, including shell and end cover, inner ring gear is fixedly arranged in shell interior, planetary gear engages sun gear shaft and inner ring gear, planetary gear is set in planet carrier by planet shaft, planet carrier is rotatably connected by first bearing with sun gear shaft;Sun gear shaft is connected with motor output end outside end cover one end;Second bearing is equipped between sun gear shaft and end cover, the other end of sun gear shaft is stretched out outside planet carrier, and is rotatably connected with output shaft by second bearing;Output gear is fixedly installed on planet carrier, output gear is engaged with output gear ring and synchronous belt drive output gear ring rotation, and output gear ring is fixedly connected on output shaft;The other end of output shaft is stretched out outside shell outside.The utility model enhances output torque capacity and overall rigidity, optimizes transmission path, reduces vibration and noise.

The invention discloses an air spindle and an adjusting method thereof. The air spindle comprises a shell, a spindle body, a rotor, a stator, an air bearing, a plurality of optical fibers, a first magnetic part and a second magnetic part. A plurality of mounting grooves are formed in the side, close to the main shaft, of the air bearing and distributed in the axial direction of the air bearing. And each optical fiber is mounted in one mounting groove and is configured to be capable of detecting an air pressure value between the air bearing and the main shaft. The first magnetic part is installed on the shell, the second magnetic part is installed between the air bearing and the inner wall of the shell, and the second magnetic part is matched with the first magnetic part so that the second magnetic part can be configured to be capable of adjusting the distance between the air bearing and the inner wall of the shell. Through the arrangement, whether the air bearing in the air main shaft is inclined or not can be detected, and the state of the inclined air bearing can be adjusted, so that the air bearing is aligned.

The utility model relates to the technical field of stage lamps, in particular to a stage lamp with a case provided with an integrated rotating shaft, which comprises a lamp holder used for generating light beams, a supporting arm used for supporting the lamp holder to rotate and a bottom case used for supporting the supporting arm to rotate. The bottom case comprises a top plate, a bottom base plate and side plates which are supported between the top plate and the bottom base plate and jointly define a cavity, and the supporting arms and the bottom case are in pivot joint through rotating assemblies. The rotating assembly comprises a shaft sleeve and a pivoting shaft which are pivoted with each other; wherein the shaft sleeve is fixedly arranged on the supporting arm; and the pivoting shaft is integrally formed on the top plate of the bottom case. According to the stage lamp with the integrated rotating shaft case, the connection strength and the structural stability of a pivoting structure of the bottom case of the stage lamp can be improved, the internal space layout of the bottom case of the stage lamp can be optimized, and the waterproof performance of the bottom case can be improved.

The invention discloses a winding system and a winding core state detection method.The winding system comprises a rack, a transmission mechanism and a driving mechanism, the transmission mechanism comprises a transmission seat, a transmission shaft, a pushing and pressing mechanism and a positioning sleeve, the transmission seat is arranged on the rack, the transmission shaft is slidably and rotatably arranged on the transmission seat, and the positioning sleeve is arranged at one end of the transmission shaft; the pushing and pressing mechanism is arranged on the transmission base and can push the transmission shaft to slide in the axial direction. The driving mechanism is provided with an output shaft; a sliding fit structure is arranged between the end, away from the positioning sleeve, of the transmission shaft and the output shaft, and the transmission shaft and the output shaft can slide relatively and rotate synchronously through the sliding fit structure. The transmission mechanism further comprises a rotating sleeve, the rotating sleeve is rotatably arranged on the transmission seat through a bearing mechanism, the rotating sleeve is provided with a shaft hole in sliding fit with the transmission shaft, a positioning mechanism is arranged between the shaft hole and the transmission shaft, the rotating sleeve and the transmission shaft rotate synchronously, the winding core is driven, the winding function is achieved, and the mechanism is simple, stable and reliable.