11646 results about "Ball (bearing)" patented technology

The invention provides a horizontally-arranged disc tool magazine, and relates to the technical field of horizontally-arranged disc tool magazines, the horizontally-arranged disc tool magazine comprises a horizontally-arranged disc tool magazine whole body, a disc tool bin is installed on the left side face of the horizontally-arranged disc tool magazine whole body, and the top of the disc tool bin extends to the right side face to be provided with a tool pushing mechanism; a cutter changing rotating mechanism is installed at the bottom of the right side face of the cutter pushing mechanism, the disc cutter bin comprises a horizontally-arranged cutter disc, the periphery of the horizontally-arranged cutter disc is fixedly connected with a cutter claw base assembly in a circular shape, the center of the horizontally-arranged cutter disc is fixedly connected with a switching disc, and a deep groove ball bearing is installed at the position, located on the inner side of the horizontally-arranged cutter disc, of the bottom of the switching disc. The inner side of the deep groove ball bearing extends to the bottom to be provided with an intermediate shaft, and a connecting plate is installed on the periphery of the intermediate shaft and located at the bottom of the horizontally-arranged cutter head. Through the design, the cost of the disc tool magazine can be reduced, the tool changing speed of the disc tool magazine can be increased, meanwhile, the installation process of the disc tool magazine can be simplified, and the convenience of installation work can be improved.

The invention relates to the technical field of bearing detection, and particularly discloses a deep groove ball bearing clearance assembly error detection method and system.The method comprises the steps that dynamic parameters of a deep groove ball bearing in each assembly stage in the assembly process under preset assembly parameters are obtained, and the dynamic parameters comprise vibration spectrum data, temperature distribution data and shaft diameter displacement; obtaining a dynamic clearance error value according to the plurality of continuous dynamic parameters; and obtaining stress gradient distribution data at a plurality of time nodes in each assembly stage according to the dynamic clearance error value. The deep groove ball bearing assembly quality evaluation and analysis method has remarkable beneficial effects in the aspects of deep groove ball bearing assembly quality evaluation and analysis. Through a series of closely associated steps, the actual state of the bearing is comprehensively and accurately reflected by comprehensively considering multiple parameters to accurately calculate local stress and judge the stress area from accurate judgment of a thermal-mechanical coupling stress area, obtaining of an external dynamic deformation comprehensive index and calculation of a total assembly error value and a clearance comprehensive evaluation index.

A front differential includes an outer ring spline mounted on an inner housing for rotation with the ring gear joinder, an inner ring spline mounted on one of the semi-axle gears, and a plurality of friction members disposed between the inner ring and the outer ring. The friction members are interleaved plates which can create a partial friction state and a fully locked state of the front differential through application of axial pressure force. The spline mounting of the inner and outer rings allows axial movement so the axial pressure force application is more accurate despite manufacturing tolerances. A ball bearing is arranged between the differential housing and the ring gear joinder. The ball bearing is connected to the differential housing by a clearance fit which allows the ball bearing to move axially relative to the differential housing.

The invention discloses an angular contact ball bearing protrusion prediction method based on a particle swarm optimization BP neural network. The method comprises the steps of 1, creating a bearing parameter measurement data set; 2, determining influence factors of the protrusion amount through grey relational analysis; 3, constructing a basic protrusion prediction BP neural network; and 4, optimizing the BP neural network by using a particle swarm algorithm and an improved algorithm thereof: optimizing the initial weight and threshold value of the BP neural network by using the particle swarm algorithm so as to determine the optimal initial weight and threshold value. According to the method, the mapping relation between the part parameters and the protruding amount of the finished bearing is established, and the protruding amount of the combined finished bearing can be predicted only by obtaining the sizes of the parameters of the inner ring and the outer ring. The problem of low protruding amount measurement efficiency is solved, the end faces of the inner ring and the outer ring can be ground according to the prediction result, the bearing can be effectively prevented from being damaged in the disassembly and assembly process, and the pairing efficiency of the bearing is improved.

The ball screw pair comprises a lead screw (1) and a nut (2) which are matched with each other, and the length of a threaded roller path of the lead screw (1) is smaller than that of a threaded roller path of the nut (2); a plurality of balls (3) are arranged in a threaded roller path where the lead screw (1) is matched with the nut (2); returning device mounting grooves (11) are formed in the two end faces of the lead screw (1). The lead screw (1) is provided with a ball return hole channel (12) communicated with the reverser installation grooves (11) in the two ends of the lead screw (1). The lead screw is simple in manufacturing process, lower in manufacturing cost, uniform and smooth in ball stress and higher in bearing capacity, and particularly, curved surface remachining of the outer circle and the threaded raceway of the lead screw can be effectively avoided.

The invention discloses an anti-unmanned aerial vehicle power rotary flying rope net capturing device and a control method thereof, and belongs to the technical field of unmanned aerial vehicles. An electromagnet circuit is controlled to be switched on through a relay, so that an electromagnet instantly loses attraction force, and the four brushless motors are rapidly, synchronously and accurately released; the brushless motor is used as a power source for unfolding the catching net to drive the catching net to unfold and cover a target. Wherein the magnet vane is attracted with the electromagnet when the electromagnet is powered off so that the four corners of the catching net can be fixed to the unmanned aerial vehicle, the influence of the electromagnet on the brushless motor is effectively isolated in the whole process, and the flight stability is ensured. The net ring can rotate freely, the direction of the catching net traction rope is kept stable, and winding with a motor or a propeller is avoided; the ball bearing and the magnet vane jointly ensure the height of the catching net traction rope, the catching net device is prevented from being separated from the motor, and the whole device can achieve synchronous and safe falling of all components and achieve the recovery function.

A blower includes a housing including an inlet and an outlet, a bearing-housing structure provided to the housing and adapted to rotatably support a rotor, a motor provided to the bearing-housing structure and adapted to drive the rotor, and an impeller provided to the rotor. The bearing-housing structure includes a bearing shaft having a bearing surface that rotatably supports the rotor. The bearing shaft provides only a single bearing of the non-ball bearing type for the rotor.

The invention discloses an automatic ball separation riveting press applied to ball bearing assembly, which is used for improving a linear assembly line in the prior art, and is characterized in that a lower retainer is preassembled before a sleeve assembly is fed by setting a circumferential rotary assembly mode, so that when a clamping opening in which the lower retainer and the sleeve assembly are preassembled is rotated to the lower part of a ball separation assembly, the ball separation assembly rotates to the lower part of the ball separation assembly; after balls are separated through the ball separation assembly, a lower retainer is pre-installed at the bottom of the sleeving assembly through a lower retainer die holder which is jacked upwards to limit the lower ends of a plurality of balls in the sleeving assembly, a ball limiting structure does not need to be additionally arranged, and then the lower retainer pre-installed at the bottom of the sleeving assembly rotates to the upper retainer feeding assembly together. And then the upper retainer is dropped to the upper end part of the fitting assembly by the upper retainer feeding assembly to finish preassembling of the upper retainer and the lower retainer, then the upper retainer and the lower retainer are conveyed to the riveting assembly, and the riveting work is realized by utilizing a downwards-pressed riveting head, so that unified cooperation of a transmission system is realized, and the assembly process is simplified.

The invention relates to the technical field of bearing detection, in particular to bearing detection equipment for bearing production and processing. The speed measurement sensor is arranged on the top surface of one side of the test bench, is matched with the layout of the ball cylinder and is used for monitoring the rotating speed of the inner ring and the outer ring of the bearing; the clamping parts are arranged on the two sides of the partition of the test board respectively and used for fixing the positions of inner and outer rings of the bearing; and the switching parts are symmetrically arranged in the test board and are matched with the rotation of the turntable and are quickly switched so as to push the inner ring or the outer ring of the bearing to rotate for rotating speed test. Through the clamping part and the switching part which are operated together, the movement of the inner clamping plate and the outer clamping plate is controlled by utilizing different rotating directions of the turntable, so that the bearing is accurately clamped and fixed at different ring positions according to the detection condition, and then the turntable rotates to synchronously push the air pipe to change the position, so that the inner and outer ring detection of the bearing can be independently operated; therefore, more comprehensive bearing detection is achieved, and double improvement of simple and convenient operation and detection precision is realized.

The invention relates to the technical field of constructional engineering, and discloses bar planting integrated equipment and an operation method thereof.The bar planting integrated equipment comprises a bearing mechanism which comprises a machine shell, a storage groove formed in the outer side of the machine shell, telescopic supporting legs rotationally installed in an inner cavity of the storage groove and universal wheels fixedly installed at the bottom of the machine shell; the driving mechanism comprises a three-section type hydraulic telescopic column located in the center of an inner cavity of the machine shell, a ball bearing seat fixedly installed at the end of the three-section type hydraulic telescopic column and a jacking buffering assembly fixedly installed at the top of the ball bearing seat. And the integrated mechanism is used for integrated punching operation and comprises an operation support fixedly installed on the outer surface of the innermost section of the three-section type hydraulic telescopic column. An integrated platform is provided for the punching assembly, the hole cleaning assembly, the glue injection assembly and the steel bar planting assembly through the integrated mechanism, the assemblies can be reasonably distributed around operation points, operation of all steps is rapidly achieved, and therefore the operation efficiency is effectively improved.

The invention belongs to the technical field of numerical control machine tool control, and discloses a deep groove ball bearing ring grinding error compensation method and system, and the method comprises the steps: monitoring the temperature of a numerical control grinding machine body and a main shaft in real time through a plurality of temperature sensors, and obtaining the temperature field distribution data of a numerical control grinding machine; according to the numerical control grinding machine temperature field distribution data, the temperature gradient of each temperature measurement position is calculated; comparing each temperature gradient obtained by calculation with a preset temperature gradient threshold value, and judging whether a temperature measurement position with the temperature gradient exceeding the temperature gradient threshold value exists or not; when the temperature measurement positions with the temperature gradients exceeding the temperature gradient threshold exist, error compensation parameters of the numerical control system are determined according to the temperature gradients of all the temperature measurement positions, and the grinding machining track and grinding parameters are corrected; therefore, the grinding precision of the deep groove ball bearing ring can be improved.

The invention relates to the technical field of bearings, and discloses a ceramic angular contact ball bearing with high bearing capacity, the ceramic angular contact ball bearing comprises an outer ring, an inner ring, a rolling body, a retainer and an oil storage cavity, the outer ring is of a cylindrical structure, and the inner surface of the outer ring is in contact with the rolling body; the inner ring is positioned inside the outer ring, and the outer surface of the inner ring is contacted with the rolling body; and the rolling bodies are a plurality of spherical ceramic elements which are fixed and separated by the retainer. By optimizing the arrangement mode and material selection of the rolling bodies, the bearing has higher bearing capacity and anti-overturning performance under the high-load condition; the heat dissipation through holes are formed in the retainer, so that the heat dissipation performance of the bearing in the running process is remarkably improved, and the bearing failure risk caused by overheating is reduced; through the design of the oil storage cavity and the oil outlet micropores matched with the oil storage cavity, uniform supply of lubricating oil is achieved, and friction loss between the rolling body and the inner ring and the outer ring is reduced.

The helicopter rotor head structure comprises a propeller hub, a propeller clamp, a bearing and a variable pitch mechanism, the propeller hub is arranged at the top of a rotor main shaft, a connecting shaft is arranged in the propeller hub, the end of the connecting shaft extends out of the propeller hub, the end of the connecting shaft is sleeved with the bearing, and the end, away from blades, of the propeller clamp is sleeved with the bearing and rotationally connected with the connecting shaft; the bearings comprise an angular contact bearing, a thrust roller bearing and a deep groove ball bearing, and the angular contact bearing, the thrust roller bearing and the deep groove ball bearing are sequentially arranged in the length direction of the connecting shaft; and the variable-pitch mechanism is arranged on the rotor wing main shaft in a sleeving manner and is connected with the propeller clamp. The bearing has the technical effects that the angular contact bearing, the thrust roller bearing and the deep groove ball bearing are combined for use, so that the axial and radial bearing capacities of the whole bearing are obviously improved, the bearing is not easy to damage, and the whole service life is longer; and by arranging the variable pitch mechanism, the angle of the paddle can be flexibly adjusted, so that the lift force and the resistance generated by the rotor wing are adjusted.

The utility model belongs to the technical field of solid density measurement, and particularly relates to a solid density measuring device which comprises a base, a controller and two pressure sensors, the controller is fixed on the upper left portion of the base, the two pressure sensors are fixed on the upper right portion of the base, supports are fixed on the two pressure sensors, and the two supports are fixed on the base. A bearing assembly is arranged between the left support and the right support, the tops of the two supports are in threaded connection with bolts, and a measuring barrel is placed over the bearing assembly. When a solid to be measured is put into the measuring barrel, the hollow floating ball can control the volume measuring rod to rise along with the rise of the liquid level, and the variable quantity of the volume measuring rod can be observed through the top end surface of the fixed frame, so that the volume of the solid to be measured can be conveniently obtained, and the variable quantity of weight can be measured through the pressure sensor; therefore, the solid density can be quickly calculated by using the measured volume and weight data, and the operation and measurement are simpler and quicker.

The invention provides a propeller power output meshing device for an aircraft engine. The power output shaft is sleeved with the fixing support to achieve fixed connection, the fixing support comprises an upper installation section and a lower installation section, the upper installation section is of a tubular structure, the lower installation section is of a plane structure, and a step structure is arranged between the upper installation section and the lower installation section; the meshing outer rotor is arranged on the outer side of the fixing support, and the upper mounting section of the fixing support is matched with the meshing outer rotor through a double-row groove ball bearing; the double-row groove ball bearing is installed on the fixed support through a support nut, a friction block assembly is arranged on a lower installation section of the fixed support, and the rotary support is installed on the end portion of the meshing outer rotor through a bolt. The propeller is started after the unmanned aerial vehicle is launched and lifted off under the action of the boosting device, the integration degree of the power device is improved, and a solution is provided for overall integration, part removal and cost reduction design of the unmanned aerial vehicle power device.

The invention belongs to the technical field of bearing machining equipment, and particularly relates to a polishing device for the end face of a slewing bearing, the polishing device comprises a workbench, a supporting frame is fixedly connected to the workbench, an upper polishing mechanism used for polishing the upper surface of a bearing body is installed at the top of the supporting frame, and the upper polishing mechanism comprises a protective cover, a rotating shaft and a rotating shaft; and the bracket is fixed on the support frame. A reciprocating telescopic part and a water spraying part are arranged on the upper grinding mechanism, when a first motor drives a shaft rod and an upper grinding disc to rotate, a rotary disc can rotate synchronously, then a wedge-shaped block makes contact with a ball at the bottom of the reciprocating telescopic part, and a telescopic plate is driven to move upwards; and then the telescopic rod is driven to move through the matching relation between the upper wedge-shaped limiting block and the lower wedge-shaped limiting block, then the piston is made to move, water spraying operation of the spray head is achieved, when the rotating speed of the upper grinding disc is higher, the water spraying amount is larger, otherwise, the water spraying amount is smaller, and the problem that at the present stage, the device lacks an automatic water spraying and cooling function is solved.

The present invention relates to a liquid metal bearing dynamic balance correction system and method applied to the field of CT tube technology. The dynamic balance correction system comprises an air circulation system, a liquid metal bearing system, and a test sensor system. The air circulation system comprises a sealed outer cover, an exhaust fan is arranged on the outer wall of the sealed outer cover, one end of the exhaust fan is connected to a gas circulation channel, and the end of the gas circulation channel away from the exhaust fan is connected to the inside of the sealed outer cover. The dynamic balance correction system of the present invention can effectively avoid the problem that the liquid metal in the bearing reacts with oxygen in the atmosphere, causing the viscosity of the liquid metal to change, and then causing the bearing performance to decrease when performing dynamic balance correction on the liquid metal bearing. The dynamic balance correction system can not only perform dynamic balance correction on the rotor, but also perform dynamic balance correction on the final product structure of the rotor and the stator, thereby greatly improving the accuracy and effect of the dynamic balance correction.

The present invention discloses a parallel type high-efficiency composite flexible cylinder type harmonic reducer with a built-in external rotor motor. The flexible cylinder with integrated flexible bearing outer ring raceways on the inner surfaces at both ends, gears on the outer surface and equal diameter in the middle, and wave generators with the same structural size and perpendicular long axes and flexible bearing inner ring raceways on the outer surface integrated at both ends of the motor outer rotor are assembled into the moving part of the above reducer through two identical ball or spherical roller retainer assemblies; the motor inner stator with cover-shaped rigid wheels at both ends is fixed to form the static part of the reducer; by using the orthogonal anti-symmetric deformation of the flexible cylinder, half of the motor input torque is amplified by two harmonic transmission assemblies with the same modulus and the same difference in the number of teeth, and is output by the variable stiffness connection part on the outer circle after the middle section of the constant circle flexible cylinder is superimposed, and the two harmonic transmission assemblies are actually parallel and proportional reduction. Because the middle section of the flexible cylinder has no circularity constraint, and the outer ring of the composite flexible bearing of the flexible cylinder reduces the wall thickness of the elastic part, the transmission efficiency is high.

A bearing includes a first ball track and a second ball track being annular and respectively disposed on an inside and an outside of the bearing. The first ball track has a first side wall and a second side wall. A first track and a first damping element are disposed on the first side wall. The second ball track has a third side wall and a fourth side wall. A second track and a second damping element are disposed on the third side wall. The first track and the second track jointly form a receiving space for disposing a plurality of balls abutted by both the first track and the second track. The second damping element and the first damping element get in contact and rub against each other to be rotatable relative to each other. The present disclosure provides a damping for rotating through rubbing between the damping elements.

The invention discloses a gap-controllable retainer and a frictional resistance measuring method thereof, belongs to the technical field of mechanical equipment manufacturing, and solves the problem that an existing device can only test a retainer with a fixed gap and cannot simulate the influence of dynamic gap change on bearing performance. The retainer capable of controlling the gap comprises a retainer body capable of adjusting the gap between the retainer body and a rolling body, a retainer moving assembly and a gap adjusting part. The gap adjusting part comprises an adjusting motor, an eccentric wheel and a motor fixing frame. According to the retainer capable of controlling the gap, the gap between the retainer and a rolling body can be dynamically adjusted, the retainer can be matched with different types of ball-disc testing machines (rotary type and linear contact type) for friction resistance measurement, the gap between the rolling body and a pocket of the retainer can be flexibly adjusted by adjusting the motor and the eccentric wheel, and the friction resistance of the rolling body is measured. And therefore, the retainer main body can meet the retaining and limiting requirements of different working conditions and different types of bearings, and the performance, the service life and the reliability of the bearings are remarkably improved.

A ball bearing sensor shift arrangement for a camera may include one or more voice coil motor (VCM) actuators that include the fixed magnets, optical image stabilization (OIS) coils, and / or one or more autofocus (AF) coils. The ball bearing sensor shift arrangement may be coupled with an image sensor of the camera, and may include carrier frames configured to move on ball bearings so as to enable motion of the image sensor in multiple degrees-of-freedom (DOF). An OIS carrier frame(s) may be coupled with the OIS coils, which may be positioned proximate the fixed magnets and used for moving the image sensor in directions orthogonal to an optical axis of the camera. An AF carrier frame may be coupled with the AF coil(s), which may be positioned proximate the fixed magnets and used for moving the image sensor in at least one direction parallel to the optical axis.

The invention discloses an on-line oil liquid detection system and method for cement ball milling, and relates to the technical field of industrial equipment state monitoring and fault diagnosis, the system comprises a data acquisition module, a data processing module, a data processing module and a data processing module, the data acquisition module adopts a multi-channel vibration sensor array to perform synchronous data acquisition on positions of a ball mill bearing seat, a gear box and a transmission shaft; an original vibration signal matrix containing multi-component coupling information is obtained through high-frequency sampling, if the sampling frequency is lower than ten times of the wear characteristic frequency, sampling parameters are automatically adjusted until the Nyquist theorem requirement is met, and the fault early warning and model self-adaption module adapts to the change of the equipment operation condition by updating the model parameters in real time; according to the online oil detection system and method for the cement ball mill, the equipment operation reliability and maintenance efficiency are effectively improved, the service life is prolonged, the maintenance cost is reduced, and data support is provided for preventive maintenance decision making of the ball mill.

The invention provides an enhanced heat conduction lubrication type ball bearing for an X-ray tube and a CT bulb tube. The enhanced heat conduction lubrication type ball bearing comprises a bearing sleeve, a sealing end cover, a bearing raceway, a fixing shaft, a sealing baffle and a ball. A bearing cavity for accommodating the bearing raceway is formed in the bearing sleeve, the bearing cavity is filled with liquid metal, gaps among the bearing raceway, the balls and the fixed shaft are filled with the liquid metal, and the fixed shaft is filled with a flowing heat dissipation medium; the two ends of the bearing sleeve are a closed end and an open end respectively, a sealing step is arranged at the open end, movable sealing grooves are formed in the end face of the sealing step and the end face of the sealing end cover, each movable sealing groove comprises two flow channels intersecting at an acute angle, and a sealing groove and a backflow hole communicated with the movable sealing grooves and the sealing groove are formed in the sealing end cover. The anode assembly has good lubricity, heat dissipation capacity and conductivity, the operation stability is improved, the service life is prolonged, and the heat dissipation power of the anode assembly is greatly improved.

The utility model belongs to the technical field of thin-wall angular contact ball bearings, and particularly relates to a thin-wall angular contact ball bearing capable of being quickly lubricated, which comprises a bearing component, the bearing component comprises an outer ring, a lubricating component is fixedly connected inside the outer ring, and clamping components are arranged at the upper end and the lower end of the inner wall of the outer ring. The lubricating assembly comprises six sets of piston cylinders fixedly connected to the interior of the outer ring, pistons are slidably connected to the inner walls of the six sets of piston cylinders, piston rods are welded to one sides of the pistons, and the surfaces of the piston rods are sleeved with springs. The bearing friction coefficient is reduced, the service life is prolonged, meanwhile, self-lubrication can be achieved through rotation of the balls, manual spraying is not needed, when the ball is separated from extrusion of the balls, the piston is driven to reset under the counter-acting force of the spring, and the service life is prolonged. And under the action of the one-way piece, lubricating oil can be effectively pumped into the oil storage tank through the oil pumping pipe.

The invention discloses a method for connecting a front shock absorber and a torque compensation device, the front shock absorber comprises a main mounting bracket, a through hole I and a through hole II are formed in the main mounting bracket, the central axis of the through hole I and the central axis of the through hole II are distributed in a crossed manner, one end of the through hole II is communicated with the through hole I, and the other end of the through hole II is communicated with the torque compensation device. A vertical third through hole is further formed in the main mounting support and located in the middle of the second through hole, and one end of the third through hole is communicated with the second through hole. The connecting method includes the steps that one end of a connecting rod with a ball bearing extends into the second through hole from the third through hole, and the other end of the connecting rod is connected with a torque compensation device. Then the bolt rod part of the bolt is inserted from the through hole II, penetrates through the inner ring of the ball bearing at one end of the connecting rod, is connected with the inner ring of the ball bearing in a matched manner and then extends into the through hole I, and then the nut is locked on the bolt rod part in the through hole I in the through hole I, so that the bolt is locked on the main mounting bracket; and the front side shock absorber and the torque compensation device are connected.

The invention relates to an infinite intelligent regulation and control fracturing sliding sleeve which is particularly suitable for development of unconventional oil and gas resources such as shale gas and tight oil. The concrete structure of the infinite intelligent regulation and control fracturing sliding sleeve dart part comprises an outer shell, a lower baffle disc, an upper baffle disc, a bolt, a spring, a clamping ring, a blocking ball, a thrust block, a thrust bearing, a flow dividing block, a motor, a flow divider, a capacitive sensor, a silicon rubber sealing piece, a control module and a flow divider end cover. When the infinite intelligent control fracturing sliding sleeve dart part passes through a designated position, the infinite intelligent control fracturing sliding sleeve dart part judges and counts each part needing to be fractured through the three capacitive sensors, when a preset value is reached, the tool is switched to an activated state, the blocking ball is impacted under the pressure of drilling fluid, and the part needing to be fractured is fractured. The thrust block is pushed, the thrust block opens the piston on the casing pipe under the pressure building effect, and fracturing operation is achieved. And the limitation of the size of a steel ball in the traditional ball throwing type sliding sleeve technology is avoided, the operation complexity is reduced, the construction efficiency is improved, and a new technical means is provided for efficient development of unconventional oil gas.

An aircraft pipework assembly is disclosed including an aircraft structure; pipework; a fixture arrangement between the pipework and the aircraft structure; a tie rod connecting the pipework to the aircraft structure; a first tie rod bearing which connects the tie rod to the pipework; and a second tie rod bearing which connects the tie rod to the aircraft structure. The fixture arrangement includes a spherical bearing, the spherical bearing comprising a ball mounted to the pipework, and a housing coupled to the aircraft structure. The ball includes a convex spherical bearing surface; and the housing comprises a concave spherical bearing surface which mates with the convex spherical bearing surface of the ball. The fixture arrangement is configured to enable the pipework to translate relative to the ball in an axial direction aligned with a longitudinal axis of the pipework.

The axial vibration reduction device comprises a displacement sensor and an axial vibration reduction assembly which are arranged on a rotating shaft of the speed reducer, and further comprises a pre-amplifier, an acquisition and analysis module, a control module and a power supply module. The axial vibration reduction assembly comprises a magneto-rheological elastomer, a magnetism isolating ring, a magnet exciting coil and a metal shell which are sequentially arranged around the rotating shaft from inside to outside. The control module adjusts the rigidity of the magneto-rheological elastomer by changing an electric signal of the magnet exciting coil so as to achieve stepless adjustment of the axial damping force of the rotating shaft, axial vibration loads are attenuated through the magneto-rheological elastomer and then transmitted to the pure iron shell and the base, and the axial vibration reduction effect is improved. The multiple angular contact ball bearings are arranged to block direct impact of vibration loads in two directions one by one, disturbance caused by different vibration loads due to different vibration directions is avoided, more vibration loads are eliminated by the magnetorheological elastomer, and the axial vibration reduction efficiency is further improved.

The invention is suitable for the technical field of cutout cock valve balls, and provides an integrated valve ball machining device for a cutout cock, the integrated valve ball machining device for the cutout cock comprises a detection assembly, and a repairing assembly is arranged on one side of the detection assembly; the detection assembly comprises a detection processing machine tool, a supporting frame, a driving motor, a driving table, a supporting plate, a first limiting strip, a second limiting strip, a fixing piece and a detection piece. The repairing assembly comprises a bearing plate, a sliding rail, an electric sliding table, a transverse plate, an adjusting air cylinder, a displacement plate, a vertical plate, an extension column and a repairing cutter. Through the design of the detection assembly, the surface of the turned spherical valve element can be subjected to circular surface detection, so that the surface quality of the spherical valve element meets the standard, the machining precision of a product is improved, the service life of the product is prolonged, and the production efficiency and the quality stability of the product are improved.