1162 results about "Linear displacement" patented technology

The invention discloses an approximate analysis method for nonlinear jump buckling critical load of an asymmetric arch bridge, which comprises the following steps of: deducing to obtain an in-plane geometric nonlinear equilibrium equation of the asymmetric arch bridge based on an Euler-Bernoulli beam theory and a virtual work principle by taking the asymmetric arch bridge under the action of uniformly distributed load as a research object, and then calculating the nonlinear jump buckling critical load of the asymmetric arch bridge by introducing an asymmetric degree coefficient gamma of an arch foot. Deducing to obtain approximate analysis of geometric nonlinear displacement in the asymmetric arch bridge surface; deducing a post-buckling equilibrium differential equation of the asymmetric arch bridge based on a virtual work principle to obtain an internal force condition and critical load approximate analysis of branch point buckling of the asymmetric arch bridge under two boundary conditions; and finally, through the characteristic that the nonlinear jump buckling critical load corresponds to an extreme point in a buckling behavior curve when the nonlinear jump buckling critical load is unstable, deriving to obtain approximate analysis of the nonlinear jump buckling critical load of the asymmetric arch bridge. According to the method, the solving workload of engineering personnel on the geometric nonlinearity in the asymmetric arch bridge structural plane can be effectively reduced.

The invention provides a method and a system for detecting gas concentration in an epitaxial growth reaction cavity, computer equipment and a storage medium. The method comprises the following steps: acquiring a reflected light signal, a reference signal and a reaction cavity environment signal; carrying out wavelength calibration and intensity baseline calibration on the reflected light signal according to the reference signal, and generating an experimental absorption spectral line according to the calibrated reflected light signal; according to the reaction cavity environment signal, fitting the experimental absorption spectral line and a target absorption spectral line obtained by querying a preset database, and performing inversion to obtain concentration information of the gas to be detected. According to the invention, through double calibration of a reference channel, an experimental spectral line and a database target spectrum are strictly aligned on a frequency scale and an amplitude scale, interference of linear displacement and baseline fluctuation on fitting is reduced, and quantitative precision is improved; and meanwhile, an environmental condition is introduced as a physical constraint, so that parameter coupling is weakened, the identifiability and robustness of inversion are improved, the dependence on pure empirical correction is reduced, and the stability of detection data is improved.

The invention provides a device and a method for on-line detection and precise regulation and control of the sowing depth and the sowing amount of a peanut precision seeder. An ultrasonic distance measuring sensor, an optical fiber counting sensor, a double-shaft tilt angle sensor, a linear displacement sensor, a photoelectric rotary encoder and the like are used for acquiring operation information such as the seeding depth, the seeding quantity, the seeding machine tilt angle, the expansion amount of an electric cylinder telescopic mechanism, the machine tool speed and the seeding frequency of a seeding machine in real time; through digital signal processing and conversion, STM32F103ZE single-chip microcomputer processing, control algorithm optimization, on-line detection of the seeding depth and the seeding condition of the seeder, real-time adjustment of the seeding depth and real-time reseeding, real-time accurate regulation and control of peanut seeding are realized, and it is ensured that peanut seeding meets the requirements for consistency of the seeding depth and the seeding distance; meanwhile, the whole sowing process is more automatic and efficient, manual intervention is not needed, manpower and material resources are saved, and good economic benefits are achieved.

The present invention discloses a massager, where an outer shell includes an accommodating cavity; and a driver is mounted in the accommodating cavity, the driver includes a reciprocating displacement drive assembly and a mounting portion, a connecting portion of the reciprocating displacement drive assembly penetrates a long-shaped guide hole on the outer shell and is connected with the mounting portion, and the massaging member is at least partially connected with the mounting portion in a plug-in manner, so that the reciprocating displacement drive assembly drives the mounting portion to perform a reciprocating linear displacement action to cause the massaging member to perform a reciprocating telescopic motion. It solves the technical problem of hand fatigue due to massage with hands, thereby improving service performance.

The invention relates to the technical field of turning equipment, and discloses a nodular iron self-aligning roller cage pocket hole machining device and process, and the nodular iron self-aligning roller cage pocket hole machining device comprises a turning mechanism, a clamping mechanism and an overturning mechanism; the turning mechanism comprises a cross beam assembly with a turnover function, a turning assembly used for carrying out pocket turning on the retainer and two supporting beam assemblies with a linear displacement function, and the turning assembly and the turnover mechanism are arranged on the two different side faces of the cross beam assembly respectively. The overturning mechanism is arranged to be matched with the assembled clamping mechanism for use, in the turning process, the function of rapidly and automatically overturning the retainer can be achieved, assistance of external hoisting equipment is not needed, manual cooperation is not needed either, the overturning difficulty of the retainer is lowered, the overturning speed is increased, and the machining efficiency is improved. And the method can be well suitable for batch pocket hole turning machining scenes of oversize ductile iron self-aligning roller retainers.

The invention relates to the technical field of underwater pipeline measurement, in particular to a manifold connection pose measuring device suitable for an underwater limited space and a solving algorithm. The device comprises an angle measuring mechanism and a rope length detecting mechanism, and is fixed on a flange end face of a detected pipeline through a centering mechanism; the angle measuring mechanism is composed of an orthogonal shaft system and a magnetic coupling encoder, and the linear displacement is mapped into an angle signal by combining a sliding rail and a measuring rope extension arm; the rope length detection mechanism winds a stainless steel measuring rope through a friction hub in an anti-corrosion shell, and the number of rotation turns is detected through an encoder so as to calculate the rope length. The method comprises the steps of establishing a measuring rope infinitesimal stress model, calculating a suspension curve based on a parabola theory, constructing an absolute coordinate system and a reference coordinate system, and resolving the relative pose of the two pipelines through pose parameters and a transition matrix. The working load of a diver is reduced through lightweight design and a low-friction shaft system, and high-precision pose measurement is achieved by combining the parabola theory and dynamic coordinate transformation.

The invention discloses a fixed cross beam machine tool with an internal constraint structure, which comprises a machine tool main shaft, a rotary table and a machine tool body, at least two guide rails are arranged in the X-axis direction, the Y-axis direction and the Z-axis direction respectively, at least two guide rails in the same axial direction comprise at least one pair of guide rails which are not on the same coordinate plane, and the guide rails form an internal constraint space; the overlapped area of the at least two inner constraint spaces is a motion space, and the motion space is a motion area of a tool nose point of a machine tool spindle in the machining process; and a workpiece on the rotary table coincides with the motion space through the linear displacement of the rotary table. At least two guide rails which are not on the same coordinate plane are arranged in the three axial directions, the layout of the guide rails is optimized, movement of machine tool parts is restrained in the guide rails, a tool nose point is located in a closed space all the time, movement of the tool nose point in the axial directions is effectively restrained, the influence of cutting force is reduced, and the micro-displacement amount is reduced. The machine tool spindle is effectively prevented from being influenced by overturning moment, vibration and deformation are restrained, and machining precision is guaranteed.

The invention relates to a hoisting system for mounting a prefabricated building prefabricated structure, which comprises a horizontal angle adjusting mechanism and a rotating platform, the rotating platform comprises a slewing bearing, an upper flange is arranged on the upper end face of the outer ring of the slewing bearing, and a lower flange is arranged on the lower end face of the inner ring of the slewing bearing; the upper flange is provided with a first driving piece for driving the inner ring of the slewing bearing to rotate around a shaft; the three-dimensional fine adjustment mechanism comprises a vertical fine adjustment assembly, a transverse fine adjustment assembly and a longitudinal fine adjustment assembly. According to the invention, X / Y / Z linear displacement and Z-axis rotation adjusting functions are integrated, manual intervention is reduced, adjustment of horizontal displacement, vertical height and horizontal angle can be realized, and the mounting efficiency and safety of the laminated slab are improved.

The invention discloses a large-load high-precision reset type balance automatic calibration system. Each automatic loading subsystem drives a weight to ascend and descend through a spiral elevator, the gravity of different weights is transmitted to a steel belt through a suspender and transmitted to a loading head, the loading head transmits a load to a calibrated balance, and loading of the multi-component load of the calibrated balance is achieved. The displacement sensor measures the distance change of each position and converts the distance change to obtain the deformation. And the balance attitude is adjusted and reset through the reset subsystem. Each subsystem is compact in structure and clear in function. The reset subsystem maximizes the utilization of the advanced performance of a servo motor, so that the reset precision of linear displacement can be equal to the motion precision of the servo motor, and the reset precision of angular displacement is also improved to a corresponding degree. The control logic of each subsystem including the reset subsystem, the automatic loading system, the displacement measurement system and the like is simple, integrated control is easy to realize, automatic calibration is realized, and the calibration efficiency is greatly improved while manpower is liberated.

The invention discloses a pulse blowing and cleaning device for a spinneret plate. The blowing and cleaning device comprises a first bearing seat, an air supply assembly, a first blowing assembly, a second blowing assembly and an elastic part, wherein the first bearing seat can generate linear displacement; at least part of the air supply assembly is arranged on the first bearing seat; according to the device, through organic combination of all the components, pulse type blowing of the spinneret plate is achieved, the blowing angle of blowing airflow can be changed, and the blowing effect is improved; the operation is simple, the second bearing seat and the third bearing seat are in butt joint and fit through external force, then the air source is started to realize automatic purging and cleaning, the purging efficiency is high, the purging effect is good, the blown impurities cannot be dissipated everywhere, the utilization rate of the air source is high, the purging height can be adjusted, and the practicability is high. The device is suitable for blowing and cleaning spinneret plates of different specifications.

The invention belongs to the technical field of concrete testing, and particularly relates to a concrete jacking pipe jacking force testing device and method.The device comprises a counter-force support, a load mechanism and a deformation testing system.The load mechanism is arranged at the top of the counter-force support and used for applying load to a concrete jacking pipe below the load mechanism; the deformation testing system comprises a first pressure sensor and a linear displacement sensor, the first pressure sensor is arranged on the load mechanism and used for detecting the load applied to the top end face of the concrete jacking pipe by the load mechanism, and the linear displacement sensor is vertically arranged in the middle of the side wall of the concrete jacking pipe and used for detecting the compressive strain of the concrete jacking pipe. According to the method, on one hand, the local damage load of the top section of the jacking pipe is tested, the maximum jacking force of the jacking pipe can be accurately calculated based on load data at the local damage load, and therefore the reliability of test data is improved, and on the other hand, due to the fact that jacking pipe compression strain detection is added, effective judgment on local damage failure of the top section of the jacking pipe is improved.

A method of replacing a rack of a rack and pinion drive device, the device comprising a first rack (10) and a gearbox (20) comprising a plurality of pinions arranged to mesh with the first rack (10), the pinions being connected to respective main gears by rotary compliance means. The method includes: providing a rack and pinion drive having a first rack (10) mounted in meshing engagement with the pinion of the gearbox (20); providing a clamp assembly comprising a second rack (31) and coupling means (40, 50, 60); arranging the second rack (31) in longitudinal coaxial alignment with the first rack (10); connecting the first end (32a) of the second rack (31) to the proximal end (11b) of the first rack (10) by means of the coupling means (40, 50, 60); through the linear displacement of the first rack (10) and the second rack (31), the second rack (31) is engaged with the pinion of the gearbox (20), and the first rack (10) is disconnected from the second rack (31). When either the first rack (10) or the second rack (31) is engaged with the pinion of the gearbox (20), the nominal rotational position between the respective pinion and the main gear (23) can be calibrated. A clamp assembly (30) for use in performing the method is also disclosed.

The invention belongs to the technical field of aero seat accessories, and particularly relates to an automatic stamping device and method for an aero seat multimedia touch screen controller shell. The stamping device is reasonable in design, a conveying assembly is used for driving linear displacement in the length direction of a material sliding plate base, and a first stamping assembly is used for stamping and forming a touch screen groove; a heat dissipation groove and a U-shaped groove are formed through a second stamping assembly in a stamping mode, a lock groove and a switch groove are formed through a third stamping assembly in a stamping mode, a step fastening groove is formed through a drilling assembly in a stamping mode, a cup groove is formed through a fourth stamping assembly and a pressure bearing assembly in a stamping mode, a plate body in the U-shaped groove is bent through a bending assembly, and an opening hinge ring is formed through a rounding assembly. According to the punching device, automatic batch punching of shells of the aero seat multimedia touch screen controllers can be achieved, and the punching efficiency is high; the prepared shell can meet the shell protection requirement of a large-size multimedia touch screen controller, and can be used as a dining table plate of an aero seat.

The invention provides a precision compensation method and device of a magnetic encoder based on linear displacement detection, and relates to the field of precision compensation of magnetic encoders, and the method comprises the steps: carrying out the equal-interval division of a total reference range of the movement of a moving part, which is determined by a reference sensor, obtaining a reference output value comprising a preset number of range calibration points and each range calibration point; obtaining a difference value corresponding to each range calibration point of the moving part; a preset algorithm is adopted to calculate the target reference output value, the first reference output value, the second reference output value, the first difference value and the second difference value of any detection point where the moving part is located, and a target error is obtained; determining a target movement output value of the magnetic encoder at the detection point based on the target error, the target reference output value and a linear relation corresponding to two adjacent range calibration points before and after the detection point; according to the method, precision compensation is carried out on the magnetic encoder, so that the moving output value in the subsequent independent application process of the magnetic encoder is more accurate.

The invention discloses an elevator fault detection and alarm system and method, and relates to the technical field of elevator fault detection, the elevator fault detection and alarm system comprises an elevator data acquisition module, an elevator load and buffer state detection module and an elevator load and buffer state analysis module; the elevator data collecting module monitors deformation of a steel plate spring and displacement of a measuring element in a linear displacement sensor through a load sensor and the linear displacement sensor, and accurately collects elevator load and buffer compression amount data. The elevator load and buffer state detection module analyzes the collected data, learns a normal operation mode of an elevator, evaluates the state of a buffer, and constructs a detection model based on a genetic wavelet neural network algorithm; and the elevator load and buffer state analysis module quickly judges whether the elevator is overloaded or not and whether the buffer works normally or not according to model output, so that safe operation of the elevator is ensured, the fault risk is reduced, and real-time and intelligent fault early warning is provided.

The invention provides a rotatable buffer gripper. The rotatable buffer gripper is structurally characterized in that the gripper can be opened and closed around a Z-direction central axis and can be guided by a guide mechanism with a buffer assembly to linearly move in a reciprocating manner in the Z direction, the linear displacement in the Z direction is buffered by the buffer assembly, and the gripper and the guide mechanism are driven by a rotating mechanism to rotate around the Z-direction central axis; in the Z direction, the guide mechanism is detachably clamped between the output end of the rotating mechanism and the mounting end of the gripper, and can linearly displace along with the movement of the gripper in the Z direction under the guidance of a linear guide rail arranged in the Z direction through a plurality of buffer stand columns coaxially sleeved with buffer springs, so that the gripper is guided, and is buffered through the buffer springs. The grabbing mechanism can adapt to the grabbing action of the grabbing hand to provide a buffering function, enables the grabbing hand to be rotatable, and can adapt to different grabbing angle requirements.

A linear displacement sensor based on electric field self-coupling, comprising a moving scale base (1) and a fixed scale base (2). One or more paired electrode units are provided on the side surface of the moving scale base (1) facing the fixed scale base (2); each paired electrode unit comprises at least three sensing electrode groups spaced in the length direction of the moving scale base (1); each sensing electrode group comprises one excitation electrode (1-1) and one sensing electrode (1-2) spaced in the length direction of the moving scale base (1). A plurality of modulation unit groups arranged in the length direction of the fixed scale base (2) are provided on the side surface of the fixed scale base (2) facing the moving scale base (1); in the length direction of the fixed scale base (2), all the paired electrode units on the moving scale base (1) can respectively correspond to the same number of adjacent modulation unit groups on the fixed scale base (2); each modulation unit group comprises one modulation unit F(2-1) and one modulation unit G(2-2); the modulation unit F(2-1) can correspond to at least one sensing electrode group in the paired electrode units in the length direction of the fixed scale base (2).

The invention relates to the technical field of industrial water treatment equipment, and discloses an intelligent flushing self-cleaning filter system for industrial water treatment. A dynamic suspended matter monitoring module of the system collects three-dimensional distribution data of deposits on the surface of a filtering medium in real time, and mixed deposition characteristics of suspended solids and oil stains are recognized through a multispectral imaging technology; the differential pressure trigger control module establishes a mapping relation between sediment thickness and fluid resistance according to the three-dimensional distribution data, and generates a cleaning trigger instruction when the real-time differential pressure data reaches a dynamic threshold interval; the spiral trajectory planning module analyzes the cleaning trigger instruction, and generates a composite motion trajectory containing a rotation angular velocity and an axial displacement rate in combination with the current position of a suction nozzle and a filter screen topological structure; the multi-mode flushing execution module synchronously adjusts torque output of a hydraulic motor and linear displacement of a piston cylinder based on the composite motion trail, so that a suction nozzle covers the whole effective filtering area of a filter screen along a spiral path.

The utility model relates to the technical field of bonding wire production, in particular to a wire breakage prevention traction device for bonding wire drawing equipment. The wire feeding device is reasonable in structural design and mainly comprises the base, the vertical plate, the guide sliding groove, the transverse push rod, the movable blocks and the guide sliding plate, the transverse push rod is used for driving the movable blocks and the guide sliding plate to linearly move in the length direction of the guide sliding groove, and the two movable blocks on the outermost side are provided with the wire feeding block and the wire discharging block respectively. In this way, the traction position of the wire feeding block can be correspondingly adjusted according to the position of a bonding thick wire on the discharging roll, and the position of the wire discharging block can be correspondingly adjusted according to the position of drawing equipment. And meanwhile, the positions of the wire guide blocks can be adjusted according to the bottom end positions of the wire block and the wire outlet block, the rotating directions of the wire guide blocks are correspondingly adjusted, the traction resistance is reduced, and the wire breaking prevention traction effect is good.

The utility model relates to a rope buckle, and in particular to a rope cutting and buckling machine, which solves the processing problem of rope cutting and buckling. It includes a feeding mechanism, a buckling mechanism, a cutting mechanism and a discharging mechanism arranged in sequence, the buckling mechanism also includes a stamping assembly and a feeding assembly, the stamping assembly includes an axial output driving rod, an upper stamping seat, a lower stamping seat, a fixed frame and a fixed clamping die, the driving rod and the fixed frame are movably assembled, the upper stamping seat and the driving rod, and the upper stamping seat and the lower stamping seat are linked and assembled to perform linear displacement, the fixed clamping die is fixed to the fixed frame, and the loading and unloading, stamping and buckling, cutting and interrupting functions are centralized, the automation level is high, the waste of manpower and material resources is reduced, the production efficiency is improved, and it is practical and economical.

The invention discloses a movable cross beam machine tool with an internal constraint structure. The movable cross beam machine tool comprises a machine tool spindle, a rotary table and a machine tool body, the X-axis direction, the Y-axis direction and the Z-axis direction are each provided with at least two guide rails, the at least two guide rails in the same axial direction comprise at least one pair of guide rails not located in the same coordinate plane, and the guide rails form an inner constraint space. The overlapped area of the at least two inner constraint spaces is a motion space, and the motion space is a motion area of a tool nose point of a machine tool spindle in the machining process; the rotary table is fixedly arranged on the machine tool body, and a workpiece on the rotary table coincides with the motion space through linear displacement of the machine tool spindle. At least two guide rails which are not on the same coordinate plane are arranged in three axial directions, the layout of the guide rails is optimized, movement of machine tool parts is restrained in the guide rails, a tool nose point is always located in a closed space, movement of the tool nose point in each axial direction is effectively restrained, the influence of cutting force is reduced, and the micro-displacement amount is reduced. The machine tool spindle is effectively prevented from being influenced by overturning moment, vibration and deformation are restrained, and machining precision is guaranteed.

The invention provides a linear displacement sensor performance testing tool. The linear displacement sensor performance testing tool comprises a base, a sample carrying table, a linear driving assembly, a clamping jaw assembly and a grating measuring assembly. The sample carrying table, the linear driving assembly and the grating measuring assembly are all installed on the base. During testing, the linear displacement sensor is arranged on the sample carrying table, so that the stability of the linear displacement sensor in the testing process is ensured. The linear driving assembly comprises a sliding table, and the sliding table can move in the working linear direction of the line displacement sensor. The clamping jaw assembly is installed on the sliding table, and the clamping jaw assembly can be connected to the movable measuring end of the linear displacement sensor in a clamping mode. Along with the movement of the sliding table, the clamping jaw assembly synchronously drives the movable measuring end of the linear displacement sensor to move on the body of the linear displacement sensor. By comparing a measurement value of the grating measurement assembly with a numerical value read from the linear displacement sensor, key performance parameters such as accuracy, linearity and repeatability of the linear displacement sensor can be evaluated, and data support is provided for subsequent troubleshooting and sensor calibration.

The invention discloses an electromagnetic actuator with a rigidity compensation function. The end face of the inner side of a stator iron core of a C-shaped structure is provided with a trapezoidal slope notch, and the working face of a rotor is a slope matched with the notch of the stator iron core; the N pole and the S pole of the permanent magnet are attracted to the upper end arm of the stator core, the coil winding is wound on the yoke portion of the stator core, the flexible guide mechanism is connected with the rotor and the base, the lower end arm of the stator core is connected with the base through a fastener, and the fastener is screwed to adjust the relative distance between the end face of the stator core and the working face of the rotor. According to the invention, the rotor and the stator core form an inclined air gap, and the linear displacement of the rotor is not equal to the normal thickness of the air gap any more, but is amplified in geometrical relationship. The fundamental contradiction of strong coupling of the stroke and the thickness in a traditional plane air gap is overcome, on the premise that a small initial normal air gap is maintained, the macroscopic motion stroke several times of the thickness is achieved, and the problem that large stroke and high linearity are difficult to consider at the same time is solved from the structural principle.

The utility model provides a cutter grinding device of a cutting bed. The cutter grinding device comprises a cutter grinding sand column, a rotation driving member; a sliding part is connected to the sliding rail in a sliding mode, and the sliding part is connected with the rotary driving piece and the sharpening sand column; the buffering mechanism comprises a buffering shifting rod and a buffering seat plate connected with the sliding part, a guiding shaft and a buffering shaft which are parallel to each other are arranged in the buffering seat plate, and the buffering shaft is sleeved with a spring; a first open hole and a second open hole are formed in the buffer driving lever, and the first open hole is arranged on the guide shaft in a sleeving manner; the buffer shaft is sleeved with the second open hole. The buffer seat plate is further in threaded connection with an adjusting knob, one end of the spring abuts against the adjusting knob, and the other end of the spring abuts against the buffer deflector rod; and the output end of the linear displacement driving part is connected with the buffer shifting rod. The utility model further provides a cutting bed which comprises the cutter grinding device. The knife sharpener has the advantages that stable knife sharpening pressure is provided, and knife sharpening work data are more accurate.

The invention belongs to the technical field of valve executing parts, and discloses an executing mechanism driven by shape memory alloy, which comprises a supporting disc and a guide cylinder, a first binding post, a second binding post and a plurality of groups of positioning columns are arranged on the top surface of the supporting disc, the plurality of groups of positioning columns are spirally distributed, and a memory alloy wire is arranged on the top surface of the supporting disc. One end of a memory alloy wire is connected with the second binding post, the memory alloy wire is in sliding contact with the surface of the positioning column, and finally the memory alloy wire is in contact with the surface of the first binding post and then penetrates through a through hole in the center of the supporting disc to penetrate into a guide cylinder, and a connecting cylinder at the top end of the guide cylinder penetrates into the through hole in the center of the supporting disc; a positioning spring and a sliding block are arranged in the guide cylinder in a penetrating mode, the sliding block is connected with the tail end of the memory alloy wire, and a mandrel is arranged at the bottom end of the sliding block. The memory alloy wire is arranged in a spiral mode and occupies a smaller space, when the memory alloy wire is heated and integrally contracts, the memory alloy wire pulls the sliding block to move, longer linear displacement is achieved, and the executing mechanism is more compact in structure.

The invention belongs to the technical field of automobiles, and particularly provides a steer-by-wire system for an automobile and the automobile. The steer-by-wire system comprises a force feedback motor, a limiting seat, a vernier block and a linear displacement sensor. Wherein the force feedback motor comprises an inner stator and an outer rotor, and the inner stator is used for being connected with an automobile body of an automobile; the outer rotor is used for being connected with a steering wheel to rotate along with the steering wheel and is provided with a thread structure. The limiting seat is arranged on the outer side of the outer rotor and is fixedly connected with or integrated with the inner stator, and a first sliding structure is arranged on the limiting seat. And the vernier block is provided with a thread matching structure embedded with the thread structure and a second sliding structure in sliding connection with the first sliding structure, so that the vernier block linearly moves along the extension direction of the first sliding structure when the outer rotor rotates. The linear displacement sensor is used for detecting the linear displacement of the vernier block. The absolute value of the steering angle of the steering wheel can be detected only through one sensor.

The embodiment of the invention provides a training data generation method, and the method comprises the steps: obtaining the rotation angular displacement data of a main shaft of a circuit breaker according to a time sequence in each switching-off / switching-on process of multiple switching-on and switching-off of a contact of the circuit breaker; converting the rotation angular displacement data of the main shaft according to the time sequence into linear displacement data of a contact according to the time sequence to obtain first time sequence data; acquiring a control signal in the circuit breaker; converting the first time sequence data from analog quantity to digital quantity to obtain second time sequence data; performing filtering fusion processing on the second time sequence data by adopting a preset filtering fusion algorithm to obtain third time sequence data; calibrating the third time sequence data according to a control signal in the circuit breaker to obtain fourth time sequence data; and according to a preset classification rule, marking corresponding classification labels on the multiple groups of fourth time sequence data.

The utility model provides an integrated two-way cartridge proportional valve which comprises a main valve and a pilot valve. The main valve comprises an integrated valve seat, a main valve element, a main valve end cover, a sensor connecting end cover and a sensor assembly. A pilot valve installation face is arranged on the side face of the integrated valve seat of the main valve and used for installing the pilot valve, the pilot valve is a 10-drift-diameter servo proportional reversing valve, and an amplifier assembly and a proportional electromagnet with an integrated linear displacement sensor are arranged in the pilot valve. According to the utility model, the main valve part adopts the valve body and the valve sleeve which are of an integrated structure, so that the machining precision is reduced, the mounting difficulty is reduced, and the production components are reduced; a 10-drift-diameter servo proportional reversing valve and a proportional electromagnet with an integrated displacement sensor are adopted in a pilot valve part, zero covering is conveniently achieved through the design of a valve sleeve structure, normal use can be achieved on high-frequency-response and high-precision occasions, and meanwhile through two-stage displacement feedback, the control precision is higher, and the dynamic performance is better.

The invention discloses a high-precision dynamic linear displacement metering device based on laser scattering suppression, and relates to the related technical field of displacement monitoring, and the device comprises a host, rails, a stabilizing mechanism, supporting legs, a measuring mechanism, a data processing mechanism, a data processing mechanism, a data processing mechanism, a data processing mechanism, a data processing mechanism and a data processing mechanism, the host is slidably installed above the rails and is used for horizontally moving the host; the stabilizing mechanism is installed between the rails and is used for keeping the host in a horizontal state; the stabilizing mechanism is connected between the track and the main machine, the two adjusting mechanisms are installed between the stabilizing mechanism and the main machine and used for adjusting the horizontal angle and the inclination angle of the main machine, and the track, the stabilizing mechanism, the supporting feet and the adjusting mechanisms are arranged to cooperate with each other. The invention relates to a multi-dimensional angle adjusting device, in particular to a multi-dimensional angle adjusting device, which solves the problem that existing equipment cannot realize horizontal movement, autonomous leveling and multi-dimensional angle adjustment in industrial field application. The problems that an existing dynamic linear displacement metering device is insufficient in environmental adaptability and weak in anti-interference capacity, and the measurement stability is limited by external conditions are solved.

The utility model relates to the technical field of spinning tools, in particular to an anti-pulling spinning thread winding traction device which is mainly composed of an installation table, a fixed traction wheel assembly, a sliding groove, a movable traction wheel assembly, a lead screw and a driving motor. The screw rod drives the movable traction wheel assemblies on the screw rod to linearly move along the sliding grooves where the movable traction wheel assemblies are located, by adjusting and controlling the positions of the movable traction wheel assemblies, spinning threads led in by the fixed traction wheel assemblies can be smoothly fed into the winding barrel, and the winding barrel can conduct spiral and tight winding in a reciprocating mode conveniently. The movable traction wheel assembly is composed of a sliding block, a traction block and a spring, the traction block can rotate relative to the sliding block, rotation is limited by a certain amplitude through the spring, the traction block can be reset, the movable traction wheel assembly can conduct self-adaptive steering adjustment according to changes of the traction direction, and the good anti-pulling effect is achieved.