685 results about "Linear displacement" patented technology

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 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.

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 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 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 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 invention relates to an intelligent temperature control rock heat-water-force-sound-light multi-field coupling disturbance shearing device and a use method of the intelligent temperature control rock heat-water-force-sound-light multi-field coupling disturbance shearing device. A disturbance shearing mechanism composed of a trapezoid pressing rod, a constant damper and a spring is additionally arranged on the driving side of the lower shearing box. When the tangential loading shaft is propelled at a constant speed, the mechanism can convert stable linear displacement into disturbance shear load of periodic loading and unloading, so that engineering power disturbance is simulated. According to the device and the method, periodic shear disturbance is synchronously applied to a rock sample in a high-temperature seepage environment, mechanical response, seepage characteristic change, internal micro-fracture and surface full-field deformation of the rock sample are comprehensively observed, and an advanced test means is provided for researching a catastrophe mechanism of a deep rock mass under the action of multi-field coupling and dynamic disturbance.

A planetary roller screw adapted for solving insufficient structural strength of the conventional planetary roller screw while proceeding with precise motion control is disclosed. The planetary roller screw includes a main screw having an external thread, a nut having an internal thread, and a planetary assembly having rollers. Each roller includes an outer periphery having an external thread. The pitches of the external thread of the main screw, the internal thread of the nut, and the external thread of each roller are identical. The helix direction of the external thread of the main screw is opposite to that of the internal thread of the nut. When one of the main screw, the nut, and the planetary assembly acting as a driving member rotates, a linear displacement direction of the planetary assembly relative to the nut is opposite to that of the main screw relative to the planetary assembly.

The invention relates to the technical field of automobile exhaust pipe machining, and provides a grinding device for automobile part machining. The clamping piece is used for clamping the exhaust pipe and driving the exhaust pipe to rotate; the polishing part is used for polishing the automobile exhaust pipe; the linear displacement driving part is provided with a linear displacement driving source and a driving lead screw, is in transmission connection with the polishing part and is used for driving the polishing part to move in the length direction of the automobile exhaust pipe; the grinding piece comprises a driving roller, a traction base, a telescopic frame and a grinding belt. According to the exhaust pipe polishing device, the clamping piece and the polishing piece are arranged, the clamping piece is used for clamping the exhaust pipe and driving the exhaust pipe to rotate, the linear displacement driving source is used for driving the polishing piece to move in the length direction of the exhaust pipe, and the two sets of driving rollers are arranged to support the polishing belt; the two ends of the polishing belt can be adjusted according to the surface position of the exhaust pipe, and the outer wall of the exhaust pipe is automatically polished.

The utility model discloses a laser degumming device, which relates to the technical field of laser degumming, and comprises an external refrigeration mechanism and a degumming mechanism, the external refrigeration mechanism is used for pre-refrigerating a magnet with glue, the degumming mechanism comprises a three-axis linear displacement mechanism and a laser emission mechanism, the three-axis linear displacement mechanism is provided with a moving end, and the laser emission mechanism is provided with a laser emission end. The moving end is provided with a glue removing platform, the glue removing platform is used for placing a pre-refrigerated magnet with glue, the glue removing platform is further provided with an internal refrigeration mechanism, the internal refrigeration mechanism is used for refrigerating the pre-refrigerated magnet with glue on the glue removing platform again, and the laser emitting mechanism is fixedly arranged. And the laser degumming mechanism is used for emitting laser when the internal refrigeration mechanism refrigerates the glued magnet and degumming the glued magnet. According to the utility model, the adhesive magnet is refrigerated through the external refrigeration mechanism and the internal refrigeration mechanism, so that the adhesive magnet is kept in a low-temperature state before and during the adhesive removal process, and the weakness of the surface magnetism of the magnet caused by high laser temperature is eliminated through the low temperature of the adhesive magnet.

The utility model belongs to the technical field of conveyer belt calendering equipment, and discloses an automatic trimming knife device for a conveyer belt calender. The two servo motors respectively drive the two sets of ball screws to respectively drive the cutters to move, and the cutters are aligned with the edges of the canvas; the two sets of infrared detectors are arranged on one side of the roller; the infrared detector is connected with the servo controller, and the servo controller is connected to the servo motor; the linear displacement sensor measures the moving value of the cutter. The servo motor is connected with the ball screw through a key and a coupler to transmit torque; the other end of the flange sleeve is fixed with the left mounting bracket; the two ends of the ball screw are supported and mounted in the left mounting bracket and the right mounting bracket through bearings respectively; and a nut on the ball screw is connected with a cutter. According to the device, the cutter always tracks the detection position constantly, it is guaranteed that the tracking position of the cutter is consistent with the position of the detected canvas, and therefore it is guaranteed that the edge of a cut film completely coincides with the edge of the canvas.

Systems and methods are disclosed herein for performing a milling operation within a wellbore in an oil-and-gas setting. An example system can include a milling tool, which can include a cutting head, a linear actuator configured to advance the cutting head, and a linear displacement measurement sensor associated with the linear actuator. The sensor can be configured to measure linear displacement of the linear actuator. The system can also include a cable to lower the milling tool, a control unit that receives data from the sensor, and a display device that displays a visualization of the data from the sensor. The control unit can analyze the data to determine a location of a milling target, a status of the milling operation, and undesirable milling conditions down hole. The control unit can perform a remedial action, such as by turning on a pump to remove debris from the wellbore.

The invention provides a robot-assisted soft tissue interventional puncture surgery diagnosis and treatment system and a use method, and belongs to the technical field of medical equipment, and the robot-assisted soft tissue interventional puncture surgery diagnosis and treatment system comprises a puncture mechanism, a probe clamping mechanism and an equipment platform. A probe clamping mechanism is composed of an x-axis linear sliding table module, a sliding table module rotating around the z-axis and a z-axis linear sliding table module, and precise positioning and angle adjustment of an ultrasonic probe in a three-dimensional space are achieved through precise adjustment in three directions. A servo motor, an absolute value encoder and a laser displacement sensor are integrated and are respectively used for detecting the linear displacement of the probe clamping mechanism in x and z directions and the rotation angle around the z axis, so that the acquisition and feedback control of real-time three-dimensional pose information of the ultrasonic probe are realized; the six-degree-of-freedom puncture mechanical arm and the ultrasonic probe cooperate to achieve puncture path planning control, the puncture accuracy and safety are improved, and meanwhile the operation frequency is reduced.

The invention relates to the technical field of fluid mechanics measurement, solves the technical problems of obvious out-of-plane velocity error and poor adaptability to complex flow scenes when a linear displacement model is adopted to invert a three-dimensional velocity field in a traditional method, and particularly relates to an out-of-plane velocity measurement method for particle image velocity measurement. Comprising the following steps: constructing a nonlinear displacement model containing a second-order Hessian item based on a displacement relationship between an image plane and an object space; establishing a residual function and an optimization objective function; performing iterative optimization solution on the residual function by taking the optimization objective function as an objective to obtain object space displacement; and calculating a three-dimensional velocity field according to the object space displacement. According to the method, the non-linear displacement model containing the second-order Hessian item is constructed, the coupling effect of out-of-plane displacement and image distortion is accurately described, and in a scene with high out-of-plane speed or facing a strong shearing and vortex flow field, the stability of errors can be ensured, so that the calculation precision of the out-of-plane speed is remarkably improved.

Systems, devices, and methods are disclosed for pen that distributes viscous plant material, such as rosin, from a cartridge. The pen receives, from a button, input corresponding to a first control instruction. The pen has a motor configured to receive the first control instruction from the controller and, in response, drive a spindle that linearly displaces a plunger, wherein the linear displacement of the plunger causes plant material to be pushed out of a nozzle of the pen. The pen cartridge includes a rubber plug configured to be linearly displaced by the plunger to cause rosin to be disturbed from the cartridge.

The displacement reduction type precise piezoelectric displacement table comprises an integrated guide base, a displacement reduction mechanism is arranged in the integrated guide base in a matched mode, a piezoelectric ceramic driver is arranged in the displacement reduction mechanism, and the piezoelectric ceramic driver serves as a power source to drive the displacement reduction mechanism to deform. The reduced displacement is generated and is conducted to the integrated guide base, so that nanoscale linear displacement is generated; according to the invention, through the integrated displacement reduction mechanism, the high resolution of the piezoelectric ceramic driver is further improved. Any tiny stroke of the driving source can be accurately reduced to sub-nanometer level output displacement. The design of controlling precision with precision provides a more stable and more controllable technical path for applications requiring extreme precision, such as scanning probe microscopes and quantum dot positioning.

The invention discloses a detection device and system for detecting the flatness of an electrode plate, and aims to solve the problems of low efficiency, low precision and high requirements on use conditions of the device in the traditional detection process. The detection device is abutted between an upper polar plate and a lower polar plate of a to-be-detected electrode plate; the detection device comprises a shell, a linear displacement sensor assembly, a coil assembly and a connecting assembly. The shell comprises an upper cover and a base and is used for forming a closed space, the upper cover is connected with the top of the linear displacement sensor assembly, the base is connected with the linear displacement sensor assembly through the connecting assembly, and the coil assembly is connected with the bottom of the linear displacement sensor assembly. Through integrated design and closed design, external water vapor and corrosive gas can be prevented from invading, internal electronic elements are protected, the service life of the device is prolonged, the detection precision is improved, the detection operation process is simplified, and the compatibility and the detection efficiency of the detection device are improved.

The invention discloses a guide wire terminal force feedback simulation system which comprises a guide wire operation and force feedback system located at a doctor operation end, a guide wire action execution system located at a patient execution end and a medical image processing system. The guide wire operation and force feedback system comprises a damping force device, a linear displacement sensor and an angular displacement sensor; according to the application, remote operation gets rid of the constraint of a rocker, a doctor can also use an actual guide wire to operate at the operation end, on the basis, a damping force device is added, the guide wire at the operation end is clamped to different degrees according to the stress condition, calculated by a medical image processing system, of the tip end of the guide wire in a human body, and the operation efficiency is improved. Therefore, the hand feeling of stress of the guide wire in actual clinical use is accurately simulated in real time, a doctor can simulate the touch experience in a traditional operation more truly, the immersion feeling and the control feeling of operation are improved, touch perception is provided for a remote interventional operation, and the accuracy and the safety of the operation and the operation experience of the doctor are improved.

The invention provides a coaxial cable shielding terminal and a coaxial cable connector, and relates to the technical field of communication equipment connection, and the coaxial cable shielding terminal comprises an installation part connected with a connector, and an accommodation part which is fixed with the right end of the installation part in a screwing manner and is used for being fixed with a coaxial cable. The containing part comprises a tail shell used for being fixed with a coaxial cable, a head shell used for being in threaded connection with the mounting part, and an inner pressing ring which is arranged in the tail shell and can do linear displacement relative to the axis of the tail shell, and the mounting part comprises a wire pressing ring used for fixing an internal wire of the coaxial cable. The pressing ring extends along the axial direction of the left end of the wire pressing ring, and the limiting ring with the conical peripheral wall extends inwards along the radial direction at one end, close to the mounting part, of the tail shell, so that the terminal and a shielding layer of the cable are encircled and fixed, the loss of the shielding layer is avoided, and meanwhile, the terminal can be firmly fixed outside the cable; and the anti-interference capability and the connection firmness of the shielding layer at the joint are ensured.

The invention discloses a two-dimensional flexible displacement sensor and a displacement measurement modeling method thereof, and the sensor comprises a fixed ruler which is provided with two columns of excitation electrodes and at least one column of receiving electrodes; the movable ruler is provided with two columns of sensing electrodes and at least one column of reflecting electrodes with the same column number as the receiving electrodes; after an excitation signal is introduced into the excitation electrode, if the movable ruler generates relative displacement relative to the fixed ruler, an induction signal is generated on the induction electrode, and the induction signal is reflected to the receiving electrode through the reflection electrode; the movable ruler and the fixed ruler are both of a multi-layer board structure made of flexible printed circuit (FPC) materials. Linear displacement measurement and angular displacement measurement can be realized, the complexity of equipment caused by mutual cooperation of a plurality of sensors is effectively reduced, and the sensors are further miniaturized.

The invention relates to a sensor arrangement (6) for determining the position of a handlebar (2) of a steering arrangement (1), in particular a steer-by-wire steering arrangement, for a vehicle, comprising: a target device (15) for axially displaceable arrangement on a housing (3) of the handlebar (2), wherein the target device (15) comprises a sensor target (19) and a carrier element (18); a linear displacement sensor (16) for stationary arrangement on the housing (3) of the handlebar (2), wherein the linear displacement sensor (16) is designed to detect a position of the sensor target (19); and a transmission device (17) for arrangement between the target device (15) and the handlebar (2) and for providing a predetermined transmission ratio (i) of an axial travel path (s15) of the target device (15) to an axial travel path (s2) of the handlebar (2). Furthermore, the invention also relates to a steering arrangement (1) with such a sensor arrangement (6).

The invention relates to a sample collection auxiliary device for groundwater resource investigation, which belongs to the technical field of groundwater sample collection, is configured and connected to the bottom of a sampler, and comprises a tank body vertically arranged at the bottom of the sampler, and a conical balancing weight arranged right below the bottom of the tank body, the plurality of impact columns vertically penetrate through the bottom of the tank body in a surrounding manner at equal intervals by taking the center line of the tank body as the center, the connecting plate is horizontally arranged in the tank body, the lower side of the connecting plate is fixedly connected with the tops of the impact columns, and the linear displacement mechanism is arranged on the tank body. The linear displacement mechanism is used for driving the impact column to impact the top of the conical balancing weight from top to bottom, so that the conical balancing weight obtains larger potential energy, a rope between the sampler and a wellhead is straightened in an auxiliary manner, and a distance mark on the rope conforms to the actual depth of the sampler; the specific depth of the monitoring sampling well is accurately sampled, so that a sample of a specific layer of underground water is obtained.

The invention belongs to the technical field of aircraft assembly, and discloses an aircraft front wheel turning angle monitoring device and method, and the device comprises a mechanical sensing module, a signal processing module and a signal receiving device. The mechanical sensing module is detachably mounted on a shock strut of a nose landing gear of an aircraft, and the rotary motion of the shock strut is converted into a linear displacement signal through a gear transmission mechanism in the mechanical sensing module; the signal processing module analyzes the displacement signal into a front wheel turning angle electric signal; and the signal receiving device receives and displays the angle value. The invention further discloses a corresponding monitoring method. The device adopts a modular and non-invasive design, solves the problems that the turning angle of the front wheel cannot be monitored in real time and the over-limit risk exists in the aircraft traction process, has the advantages of being convenient and fast to install, accurate in measurement and wide in applicability, and remarkably improves the safety and the working efficiency of flight guarantee.

The invention provides a profile plate mounting device which is used for adjusting the position of a first profile plate relative to a second profile plate, a rectangular hole is formed in the second profile plate, and the first profile plate penetrates through the rectangular hole. The linear displacement device comprises a shell, a linear displacement assembly and a limiting block. The linear displacement assembly is installed on the shell, a pushing top is installed at the displacement output end of the linear displacement assembly, and the displacement output direction is in the first direction. The limiting block is installed on the shell, a groove extending in the second direction is formed in the limiting block, and the opening direction of the groove is opposite to the advancing direction of the pushing ejector head; the first direction is perpendicular to the second direction. During use, one end of the pushing head is pushed to abut against the surface of the first profile plate, and the groove of the limiting block hooks one side of the rectangular hole of the second profile plate. According to the sectional material plate mounting device, the position adjustment of the sectional material plate can be completed through an independent device, the adjustment difficulty of the ship sectional material plate is reduced, the working load is reduced, the mounting efficiency of the ship sectional material plate is improved, and the danger of construction can be reduced.

The invention discloses a machine tool cutter head fault detection method and device, an electromagnetic type linear displacement sensor is arranged at the corresponding position of a machine tool cutter head, and the method comprises the steps that based on electromagnetic type linear displacement sensing, a displacement signal sequence of the machine tool cutter head is collected in real time; performing adaptive signal decomposition on the displacement signal sequence to obtain at least one first intrinsic mode component and one second intrinsic mode component; calculating a first energy value sequence of the first intrinsic mode component in the continuous time interval, and calculating a second energy value sequence of the second intrinsic mode component; based on the first energy value sequence and the second energy value sequence, the fault type of the machine tool cutter head is judged; the fault types comprise a tool bit deflection fault and a main shaft chip clamping fault. By adopting the electromagnetic linear displacement sensor and combining a self-adaptive signal decomposition technology, the interference of a complex industrial environment on detection is effectively overcome, and accurate distinguishing and reliable detection of a machine tool cutter bit deflection fault and a main shaft chip clamping fault are realized.

The utility model relates to mechanical adjusting equipment technical field especially relates to a universal adjusting electric sliding platform. Its technical scheme includes: base, adjusting mechanism, rotating mechanism and installation groove, the base inside is provided with installation groove, is provided with the rotating mechanism of gear drive in the installation groove, and is provided with multiple adjusting mechanisms on the rotating mechanism, and adjusting mechanism includes adjusting frame, and multiple adjusting frames between x, y and z axle settings, adjusting mechanism is driven screw rod and thread bushing cooperation through first drive motor, and the realization installation board is along the linear displacement of corresponding axle, rotating mechanism is driven transmission wheel and rotation gear engagement through second drive motor, and the movable connection of cooperation universal ball axle and rotating seat drives carousel rotation and multi -angle inclination, makes adjusting mechanism realize multi -angle rotation with carousel, through the cooperation of linear adjustment and universal rotation, can realize the compound adjustment of linear displacement and multi -angle rotation in three -dimensional space of load.

The utility model belongs to the technical field of barometers, and particularly relates to a barometer which comprises a meter shell, an air inlet, a meter cover, a dial plate and a pointer, the air inlet is arranged on the meter shell, air transmits pressure to a piston through the air inlet, the piston converts the air pressure into linear displacement, and the pointer is arranged on the meter shell. The piston transmits power to the gear output piece through the two-stage transmission mechanism, the gear output piece is connected with the pointer and drives the pointer to deflect on the dial plate, the piston is further connected with a reset piece, and the reset piece acts on the piston and provides pressure opposite to gas acting force. By means of a two-stage transmission mechanism composed of the double sector gears, the rack frame and the cylindrical gear, tiny linear displacement of the piston is amplified and converted into remarkable deflection of the pointer, the detection sensitivity of tiny air pressure changes is remarkably improved, the reading range is expanded, and reading is more accurate and visual.

The invention provides a linear encoder and a control system and method. The linear encoder comprises a carrier; the plurality of first conductive pieces extend along the first direction and are arranged on one surface of the carrier at intervals along the second direction; the first direction intersects with the second direction; at least one first conductive piece comprises two sub conductive pieces; the two sub-conductive pieces extend along a first direction and are arranged on one surface of the carrier at intervals along the first direction; the second conductive part is provided with a plurality of metal contact parts which are mutually spaced, so that at least two metal contact parts in the plurality of metal contact parts are conducted with the plurality of first conductive parts through the second conductive part under the condition that the plurality of metal contact parts are in sliding contact with the plurality of first conductive parts from the first point to the second point along the first direction; and the interval between the two sub-conductive pieces is between the first point and the second point. The linear encoder can be applied to a linear displacement scene and is used for measuring the absolute position of a linear displacement object.