94results about How to "Accurate displacement" patented technology

The invention provides a digital image correlation strain measurement system and method based on a super-structure lens. The system comprises the super-structure lens, a digital camera, an illumination light source and a computer. The super-structure lens comprises a plurality of super-structure lens units, light scattered or emitted by an object is imaged, and the formed image is located on the plane where a photosensitive chip of the digital camera is located. The digital camera is used for acquiring an image of a measured object formed by the super-structure lens; the computer is used for processing the calibration and experiment image data acquired by the digital camera, calculating camera parameters through the calibration image, and performing three-dimensional digital image analysis and calculation on the experiment image to obtain the three-dimensional shape, displacement and deformation data of the measured object; according to the invention, 3D-DIC measurement can be realized by only adopting single shooting of one camera, and a conventional lens is replaced by the metamaterial lens, so that a simpler and more compact optical structure can be obtained on the premise of keeping the imaging quality, and the 3D-DIC measurement device has the characteristics of high efficiency, no need of camera synchronization and the like.

The invention discloses a numerical control machine tool spindle loading device, and relates to the technical field of numerical control machine tool performance test.The numerical control machine tool spindle loading device comprises a shell, a mounting assembly, a loading assembly and a detection assembly, a box door is hinged to the outer surface of the shell, and a display screen is fixedly connected to the top of the shell; and the mounting assembly is fixedly connected to the top of the shell and comprises a mounting frame, a first electric telescopic rod is fixedly connected to the inner top of the mounting frame, a displacement frame is fixedly connected to the lower end face of the first electric telescopic rod, and a driving seat is fixedly connected to the outer surface of the displacement frame. According to the invention, through cooperative operation of the second electric telescopic rod and the first motor, the loading block can be driven to carry out multi-angle loading on the main shaft body, and free angle adjustment can be carried out on the loading state in the detection process, so that loading simulation of various actual processing stress conditions of the main shaft body can be satisfied; and the accuracy of the performance detection result of the main shaft body is effectively improved.

The invention provides a novel blade tip loss correction calculation method based on a Shen blade tip loss model. The method comprises the steps that 1, parameters input by a user are read; 2, the Shen blade tip loss correction model is coupled to a wind turbine simulation tool OpenFAST; 3, calculating a general correction factor according to the parameters input by the user; 4, according to the blade tip loss correction requirement, one of the Shen blade tip loss correction model and the Prandtt model in the wind turbine simulation tool OpenFAST is selected, the stress and displacement of the blade tip position under the condition of the high blade tip speed ratio are corrected in combination with the universal correction factor, and blade tip loss correction calculation is completed. The Shen blade tip loss correction model is coupled to the OpenFAST, a new blade tip loss correction calculation method is provided, the stress and displacement of the blade tip position are calculated more accurately under the condition of the high blade tip speed ratio, and the blank of the OpenFAST in the field is filled.

The invention relates to a cone ring installation structure and method suitable for a 10-150 MW generator, and belongs to the technical field of steam turbine generators, the cone ring installation structure is of a ground bearing type structure, the cone ring installation structure comprises a stand column, a mechanical arm main machine and a clamp structure, the stand column is provided with the mechanical arm main machine, the mechanical arm main machine comprises two mechanical arm joints capable of rotating by 360 degrees, and the lower end of the mechanical arm main machine is connected with the clamp structure; and the conical ring is quickly butted and fixed by using a quick connector on the clamp structure. The operation mode of cone ring assembly is changed into mechanical operation from manual operation, manpower resources are saved, and the assembly precision and the operation efficiency are greatly improved.

The invention discloses a cooling and cutting device for steel machining, and particularly relates to the technical field of steel machining, the cooling and cutting device comprises a workbench, a rotating assembly is arranged at the upper end of the workbench, a limiting assembly is arranged at the upper end of the workbench, and a cutting assembly is arranged on the front side of the rotating assembly; and first limiting assemblies are symmetrically arranged on the left side and the right side of the cutting assembly, second limiting assemblies are arranged at the upper end of the workbench, and cooling assemblies are arranged at the upper ends of the limiting assemblies. According to the cooling and cutting device for steel machining, through cooperation of all the assemblies, cutting of steel bars and continuous cutting and discharging are completed, the time for frequently adjusting the cutting position in a traditional cutting mode is shortened, rapid and continuous equal-distance cutting of steel is achieved, and the cutting efficiency is improved. The overall efficiency of the production line is improved, the cutting assembly is cooled through the cooling assembly, air circulation is accelerated, and cooling of the cutting assembly is facilitated.

The utility model discloses a pipe ellipse correcting device which comprises a vacuum box and two correcting parts, one end of the vacuum box is provided with an inlet suitable for entering of pipes, and the other end of the vacuum box is provided with an outlet suitable for exiting of the pipes. The correction parts comprise shaping boxes, and the shaping boxes of the two correction parts are symmetrically mounted outside the two sides of one end of the vacuum box and are arranged close to the inlet; the shaping rolling wheel is arranged in the vacuum box; the guide rods are arranged in the corresponding shaping boxes, and one ends of the guide rods are connected with the corresponding shaping rollers; and the transmission mechanisms are installed in the corresponding shaping boxes, the transmission mechanisms are connected with the other ends of the corresponding guide rods, and the transmission mechanisms are suitable for driving the corresponding shaping rollers to move in the vacuum box through the guide rods. The ellipse correction device can realize ellipse correction in pipe production, is convenient to operate, and improves the product quality.

The invention relates to automatic hoisting equipment for disassembling and assembling power equipment. The automatic hoisting equipment comprises carrying trolleys, and the carrying trolleys are located on the left side and the right side of the hoisting equipment; the control platform is located on the carrying trolley. The vertical lifting mechanical arm assembly is installed on the carrying trolley and used for vertical lifting when equipment is used. The electric hoist is used for hoisting equipment and is controlled by a remote control device; the first horizontal rails are installed at the upper end of the vertical lifting mechanical arm assembly and connected with the second horizontal rails on the same side, and the second horizontal rails on the left side and the right side are connected with each other to form a walking rail used as an electric hoist. The connecting assembly is used for connecting the second horizontal rails on the left and right sides; the position coordinate part is used for position calibration when the second horizontal rails on the left side and the right side are in butt joint; the remote control device is used for moving control of the wireless carrying trolley and lifting control of the vertical lifting mechanical arm. The mechanical hoisting problem of places with different heights and different widths is solved, and good universality and scene adaptability are achieved.

The invention relates to the technical field of battery shell detection, and discloses an automobile power battery shell quality identification and detection device which comprises a conduction mechanism, a detection mechanism and a turnover mechanism, the detection mechanism is movably connected to the top of the conduction mechanism, and the turnover mechanism is fixedly connected to the top of the conduction mechanism. The detection mechanism comprises a size precision detection unit and a sealing performance detection unit. According to the automobile power battery shell quality identification and detection device, the size precision and sealing performance detection unit is fused, the shell quality is accurately controlled, the battery safety is guaranteed, the conduction mechanism automatically conducts the shell, the detection efficiency is improved, production is stable, multiple motors of the overturning mechanism cooperate, the shell is flexibly clamped, and displacement overturning of the shell between stations is assisted; the detection accuracy is ensured, accurate and comprehensive detection is realized, the production rhythm is guaranteed through efficient and automatic conduction, clamping and overturning are flexible, and the detection accuracy and reliability are improved.

The invention relates to the technical field of AUVs (Autonomous Underwater Vehicles), and particularly discloses a multi-degree-of-freedom motion compensation system and method for AUV retraction operation, the compensation system comprises a main body, the main body comprises an XY-direction compensation mechanism and a Z-direction compensation mechanism, the XY-direction compensation mechanism comprises a plurality of propellers, the Z-direction compensation mechanism comprises a hydraulic cylinder, a composite energy accumulator and a gas cylinder, the hydraulic cylinder comprises a first piston part, and the composite energy accumulator comprises a second piston part; an inner cavity of the hydraulic cylinder is divided into a rodless cavity and a rod cavity through a first piston piece, the composite energy accumulator comprises a cavity body, a fixed partition plate and a second piston piece are arranged in the cavity body, and the second piston piece comprises a first piston and a second piston which are connected with each other. The first piston, the fixed partition plate and the second piston divide the cavity into a connecting oil cavity, a first compensation oil cavity, a second compensation oil cavity and a compensation air cavity which are arranged in sequence, and communicating channels are arranged between the connecting oil cavity and the rod cavity and between the compensation air cavity and the air cylinder. A hydraulic control assembly capable of conducting bidirectional reciprocating conveying on hydraulic oil in the first compensation oil cavity and the second compensation oil cavity so as to change the oil amount in the first compensation oil cavity and the second compensation oil cavity is arranged between the first compensation oil cavity and the second compensation oil cavity. The compensation system is simple in overall structure, high in flexibility, good in compensation effect and capable of effectively ensuring the stability and safety of AUV retracting and releasing operation under complex sea conditions.

The invention discloses ball grinding equipment for machining a high-precision bearing ball body, and relates to the technical field of bearing ball machining, the device comprises an equipment body, a fixed universal assembly, a supporting disc and a fixed disc, a grinding rotary disc is arranged at the end, away from the supporting disc, of the fixed disc, and a transmission disc is fixedly connected to the end, away from the fixed disc, of the grinding rotary disc; a conveying mechanism used for conveying the balls before and after machining is arranged on the equipment body, and a pushing mechanism used for accurately pushing the transmission disc is arranged on the equipment body. By means of the conveying mechanism, balls before and after grinding can be independently conveyed, confusion of a feeding path and a recycling path is effectively prevented, the situation that the balls before and after grinding interfere with each other is avoided, meanwhile, the feeding and recycling processes do not need to be manually intervened, the ball machining continuity is guaranteed, and the machining efficiency is improved. And the ball machining efficiency is effectively improved, and the labor cost is further reduced.

The application belongs to the technical field of power equipment, and discloses a converter transformer residual magnetism detection sensor and a preparation method thereof; wherein the converter transformer residual magnetism detection sensor comprises a shell, a pressure sensor and an adsorption block; the pressure sensor and the adsorption block are both encapsulated in the shell; the shell is made of non-ferromagnetic material, and the adsorption block is made of ferromagnetic material; the pressure sensor is a flexible pressure sensor, which comprises a dielectric layer and electrode layers arranged on both sides of the dielectric layer respectively; the converter transformer residual magnetism detection sensor is used for being installed on a transformer oil tank; the pressure sensor is located between the core of the converter transformer and the adsorption block; the adsorption block is used for compressing the pressure sensor under the action of residual magnetism in the core; and the pressure sensor is used for outputting a pressure value signal under the compression of the adsorption block. The technical scheme disclosed by the application can be used for detecting the residual magnetism of the converter transformer, and has high residual magnetism detection precision and accuracy.

The present application discloses a wafer bearing device and wafer processing equipment, wherein the bearing device comprises: a translation mechanism, a lifting mechanism, a rotating mechanism and a bearing platform, wherein the bearing platform is connected to the rotating mechanism, wherein the rotating mechanism is connected to the lifting mechanism, wherein a translation space is formed in the translation mechanism, wherein the lifting mechanism is arranged in the translation space; wherein the rotating mechanism comprises a first shell, a first driving assembly and a rotating shaft, wherein the bearing platform is installed at one end of the rotating shaft; wherein the lifting mechanism comprises a second shell and a second driving assembly, wherein the second shell is connected to the translation mechanism, wherein the second driving assembly is connected to the first shell, wherein a lifting cavity is formed in the second shell, wherein a throttling assembly is arranged on the inner wall surface of the lifting cavity, and wherein the first shell can be lifted and lowered without contact in the lifting cavity. The present device realizes that the three mechanisms are nearly coplanar, thereby reducing the system's working center of gravity, reducing the system's vertical dimension, reducing the mass of moving parts, and improving the operating accuracy and positioning accuracy of the entire system.

The present invention discloses the problem of light transmittance detection in a high temperature environment; specifically, the base comprises a base, the outer walls on both sides of the top of the base are mounted with a frame through fixings, and the top outer wall of the base close to the back of the frame is mounted with an electric heater through fixings, a temperature measuring component is arranged near the bottom of the frame, a T-shaped plate is fixedly connected to the middle outer wall of the top of the base, the top outer wall of the T-shaped plate is connected with a lens placement seat through a fixing bolt, and the top two sides of the lens placement seat are respectively provided with card slots, a receiving mechanism is arranged on the other side of the top of the base, an infrared thermometer is installed in the receiving mechanism, and a sliding component is arranged at the bottom of the receiving mechanism. The present invention realizes the function of safely detecting the lens in a high temperature environment, ensures the quality of the light transmittance detection of the lens, and meets the requirements of the detection equipment for light transmittance detection at different positions from the lens.

The invention provides a vision tracking training early education toy with a built-in projection function, and relates to the technical field of vision tracking toys, the vision tracking training early education toy comprises a reciprocating motion toy, and the reciprocating motion toy comprises a shell serving as an integral framework to play a supporting and protecting role; the shell cover is detachably mounted at the port of the shell to close the shell and protect the interior of the shell; the projection part is arranged in the shell, can rotate along with the shell and keep the position unchanged, and can project different images; the eccentric module can adjust the overall gravity center position; the whole body can be driven by the moving part to transversely move; the inertia module can brake the moving part to be matched with the eccentric module to enable the whole body to turn over. The toy is driven by the moving part to integrally move in a transverse reciprocating mode, the toy is matched with the synergistic effect of the eccentric module and the inertia module to achieve the overturning action, diversified and non-monotonous movement tracks are formed, meanwhile, low-intensity natural sound generated along with the overturning action can continuously attract the attention of a baby, the baby is guided to actively follow the sight, and the safety of the baby is improved. And the visual tracking capability and the attention concentration degree are effectively exercised.

The utility model discloses a kind of ladder frames for comprehensive wiring, it is related to wiring technical field, including support column, two support plates are fixedly connected in support column side wall, second threaded rod is inserted in support plate surface, side plate is fixedly connected in second threaded rod top, first threaded rod is fixedly connected in side plate top, main body is fixedly connected between two side plates, dustproof assembly is mounted in the both sides of main body top, the utility model ensures that line arrangement is neat by positioning sleeve, prevents winding misplacement;First threaded rod cooperates with first nut, realizes the accurate fixing of mounting frame, avoids loosening in use process, dustproof plate moves steadily under the second spring elastic force, can effectively shield line, prevent dust pollution, prolong the service life of line, the cooperation of sliding slot and guide block, further ensure the steady, accurate displacement of dustproof plate, reduce moving resistance, improve the working efficiency and sealing performance of overall device.

The invention discloses a gear-holding type gear shifting manipulator of an automatic driving robot of an engineering machinery vehicle, and relates to the field of unmanned equipment and unmanned driving of engineering machinery vehicles. The mechanical arm comprises a mechanical arm base, a gear shifting lower rod assembly and a gear shifting upper rod assembly, the gear shifting upper rod assembly can achieve the gear shifting action of a forward gear, a neutral gear and a reverse gear of the engineering machine, and the gear shifting lower rod assembly can achieve the gear shifting action of a speed gear; the driving motor drives the ball screw in the electric cylinder to move, transmission is conducted through the connecting rod executing mechanism, accurate clamping and gear shifting operation of the gear-holding type gear shifting rod of the engineering mechanical vehicle are achieved, and meanwhile real-time monitoring and early warning of gear shifting action can be achieved through the displacement sensor. The technical blank that unmanned gear shifting of engineering machinery vehicle equipment is difficult to achieve quickly on the premise that existing engineering equipment does not need to be changed is filled, and the requirement for automatic gear shifting of the engineering machinery vehicle can be met. The gear shifting mechanism has the characteristics of compact structure, high gear shifting precision and adaptability to working conditions of engineering machinery.

The utility model relates to the technical field of ultra-precision automatic machining, in particular to a high-precision grinding device which comprises a machine frame, a vertical supporting frame is connected to the upper portion of the machine frame in a threaded mode, a sliding rail is fixedly arranged on the vertical supporting frame, a horizontal arm assembly is connected to the sliding rail in a sliding mode, and the top of the horizontal arm assembly is fixedly connected with one side of a sliding rail connecting piece. A vertical cantilever assembly is fixedly connected to the other side of the sliding rail connecting piece, a guide rail connecting piece is slidably arranged at the bottom of the vertical cantilever assembly, a rotary index plate is fixedly connected to one side of the guide rail connecting piece, a shaft seat is fixedly connected to the side, away from the guide rail connecting piece, of the rotary index plate, and a grinding head assembly is fixedly arranged in the shaft seat. Precise displacement of the grinding head assembly in the horizontal direction is achieved by arranging the horizontal arm assembly, precise displacement of the grinding head assembly in the vertical direction is achieved by arranging the vertical cantilever assembly, the surface changing function of a workpiece is achieved through a 28 closed-loop motor of the grinding head assembly, and therefore the grinding precision of the grinding device is improved.

This invention relates to the field of furniture metal frame processing and provides a CNC laser cutting device for metal frames. The device includes a limiting frame, which comprises a multi-stage drive frame and multiple multi-position limiting beams mounted on the multi-stage drive frame. These multi-position limiting beams are used to limit the metal sheet. Each multi-position limiting beam includes multiple unit limiting beams arranged in a straight line in an array. Each unit limiting beam includes an L-shaped guide block with a laterally adjustable position. A support plate with a longitudinally adjustable position is slidably mounted on the L-shaped guide block. An adjustable-height pressing plate is mounted on the support plate. This device achieves multi-point dispersed staggered limiting of the metal sheet based on overall limiting, flexibly responding to the disappearance of the limiting force at the cutting edge during cutting, ensuring flexible and real-time provision of limiting force at the cutting point of the metal sheet, and improving the stability of the metal sheet during the cutting process.

This invention relates to the field of highway bridge construction technology, specifically a precise positioning device for precast pipe pile installation. It includes a U-shaped fixing frame, four mounting plates slidably connected to the four sides of the fixing frame, a first threaded rod connected to each mounting plate, and multiple first limiting rods fixedly connected to both sides of the first threaded rods on the mounting plates. First driven gears are rotatably connected inside each of the four sides of the fixing frame, and control motors are fixedly connected to each of the four sides of the fixing frame. A first drive gear is fixedly connected to the shaft end of each control motor. A positioning plate is fixedly connected to the lower end of the mounting plates, and a limit switch is installed on the positioning plate. A clamping plate is slidably connected to the mounting plate, and positioning posts are installed at each of the four corners of the fixing frame. This invention effectively solves the problem of the cumbersome traditional method of adjusting the positioning by drawing cross lines during pile planting. It can quickly and accurately position the pile and quickly and effectively fix it to the ground to prevent displacement.

The present invention discloses a punching device for mosquito net rod production, which relates to the technical field of mosquito net rod processing, including a workbench, a positioning assembly and a punching assembly, wherein a displacement assembly is arranged on the outer side of the top of the workbench, and a rod body is arranged on the inner side of the displacement assembly, a synchronization rod is arranged on the outer side of the top of the displacement assembly, and an electric control seat is arranged on the outer end of the bottom of the synchronization rod. The first motor of the present invention rotates in the opposite direction, which can make the sliding seat drive the first electromagnetic sleeve seat, the third electromagnetic sleeve seat, the second electromagnetic sleeve seat and the fourth electromagnetic sleeve seat to return to the original position, and the rod body will be fitted with the ratchet fitting wheel during the process of passing through the directional sleeve, and the rotation direction of the ratchet fitting wheel is the direction in which the rod body moves toward the punching table, so when the electromagnetic sleeve seat is reset with the sliding seat, the ratchet fitting wheel can lock the rod body to prevent the rod body from moving back, and through this design, the accuracy of the displacement of the rod body can be improved, thereby ensuring the accuracy of the punching length of the mosquito net rod.

The utility model discloses a positioning device for processing a bearing seat easy for center positioning, which comprises a bearing table, a square movable groove is arranged in the bearing table, a bearing seat bearing plate is arranged in the square movable groove, and an adjusting component convenient for center positioning is arranged on one side of the bearing seat bearing plate. According to the bearing seat machining positioning device easy to center positioning, the first sliding block, the second sliding block, the sliding rail groove, the first sliding rail, a reserved screw hole, a bottom supporting beam, a second sliding rail, a dustproof plate, a fixing screw, a push plate and a first electric cylinder are arranged, and when the bearing seat machining positioning device is used, the first electric cylinder is started and pushes the push plate to drive a bearing seat supporting plate to move; the bearing seat bearing plate slides along the first sliding rail and the second sliding rail through the first sliding block and the second sliding block, so that the position of the bearing seat blank is changed, the center line of the bearing seat blank coincides with the vertical center line of the tool bit, the function of easy center positioning is achieved, and the problem that the device does not have the function of easy center positioning is solved.

This utility model relates to the technical field of roving frame accessories, specifically to a belt displacement control device for a roving frame. It features a self-propelled mechanism that drives a sliding pusher block to move, thereby pushing the belt. Since the belt's stress point is at the connection between the belt and the upper or lower bobbin, and the sliding pusher block moves along the upper or lower bobbin and pushes the belt from the stress point, the belt will not bend, ensuring precise control of the belt displacement. The self-propelled mechanism drives a friction wheel to roll on a displacement crossbar via a transverse motor, thereby automatically moving the drive connector and the sliding pusher block. The sliding pusher block is connected to a fixed cylinder via a telescopic rod, allowing it to automatically extend and retract as it moves along the outer surface of the upper or lower bobbin, ensuring that the sliding pusher block always remains in contact with the outer surface of the upper or lower bobbin.

The application discloses a high-precision loading method with self-adaptive gap compensation function, comprising the following steps: establishing a gap error model of an electric steering servo loading system; identifying the to-be-identified hysteresis characteristic parameters in the gap error model according to the sampling values of a measured servo mechanism displacement sensor and a loading hydraulic cylinder of the electric steering servo loading system; obtaining the real value of the measured servo mechanism displacement corresponding to the displacement sampling value of the loading hydraulic cylinder based on the gap error model after identifying the hysteresis characteristic parameters; and the loading hydraulic cylinder outputs a loading force to the servo mechanism according to the real value of the servo mechanism displacement and a loading curve. The application realizes high-precision loading of the electric steering system.

The present invention discloses a portable digital archive management and analysis device in the field of digital archive technology, comprising a base and a visual camera, wherein a protrusion is arranged on the rear side of the base and a supporting folding frame is hinged on the protrusion through a lower hinge shaft, two groups of mounting folding frames are hinged on the supporting folding frame through an upper hinge shaft, a camera position adjustment mechanism is installed between the two groups of mounting folding frames, and a camera angle adjustment mechanism is installed on the camera position adjustment mechanism. In this scheme, a foldable supporting folding frame and a mounting folding frame are installed on the base, and a camera position adjustment mechanism is installed on the mounting folding frame, and a visual camera is installed on the camera position adjustment mechanism through a camera angle adjustment mechanism, so that the device as a whole can be folded and stored, is convenient to carry and use, and can be quickly unfolded when in use, and then paper materials are placed on the base and scanned and analyzed by the visual camera.

The invention discloses a drawn wire removing device. The drawn wire removing device comprises a connecting bracket, a mounting box is rotatably arranged in the connecting support, connecting holes are formed in the side face and the bottom face of the connecting support respectively, limiting bolts are detachably arranged in the connecting holes, and a telescopic assembly is arranged in the mounting box; a mounting frame is arranged at the moving end of the telescopic assembly, a motor is fixedly mounted on one side of the mounting frame, a reel is rotationally mounted in the middle of the mounting frame, and a rotating shaft of the motor penetrates through the mounting frame to be fixedly connected with the reel to drive the reel to rotate; the motor drives the reel to operate, the process of manually removing glue and drawing wires is replaced, wire removal is efficient, the production efficiency is improved, meanwhile, the operation process is simplified, the labor cost is reduced, the structure is simple and reliable, maintenance is easy, and the working stability is guaranteed due to the fact that the limiting bolts and other fixing modes are adopted; the mounting box can rotate to adjust the angle, the requirements of different workpieces can be met, the telescopic assembly allows the distance between the reel and the workpieces to be flexibly adjusted, and the application flexibility is enhanced.

The utility model discloses a kind of fuel tank strength testing devices, belong to strength test field. Including clamping assembly, the clamping assembly includes frame base, limit strip is installed on two side edge positions of frame base, positioning part is installed between two groups of limit strip, clamping part is installed between two groups of limit strip, drive part is provided at the bottom of frame base;Test component, test component is used to impact test to the side edge of fuel tank;Limiting component, limiting component includes the shielding part for covering test area, fixed part is installed on the shielding part for clamping fuel tank, and the pressing part for pressing fuel tank is connected on the shielding part. A kind of fuel tank strength testing device of the application, by clamping, test, limiting component cooperation, positioning part is firmly clamped fuel tank from multidirectional, test component controls impact parameter, all-around limit displacement, impact point precision is kept, data accuracy is proposed.

This utility model discloses a laser cutting machine, relating to the field of cutting equipment technology. It includes a base plate, with a cutting mechanism mounted on top of the base plate. A dust collection mechanism is located on one side of the cutting mechanism, and the dust collection mechanism includes a connecting plate. A top plate is fixedly connected to the bottom side of the connecting plate, and a filter box is fixedly connected to the top of the top plate. Through the arrangement of the cutting and dust collection mechanisms, this utility model, during operation, first connects the top plate and the fixed frame via the connecting plate when cutting an object. Then, the dust collection motor starts and draws dust into the filter box through a dust collection funnel and connecting hose. Next, the motor drives the connecting rod to rotate, causing the filter cylinder to filter the dust. Finally, a fan starts and discharges the dust after it has been filtered through the filter plate and adsorption plate. This device uses the centrifugal force of the rotating filter cylinder to initially separate large dust particles, the filter plate to intercept fine particles, and the adsorption plate to adsorb harmful gases, achieving graded purification of dust, particles, and gases.

The utility model provides a high-precision Z-axis lifting device for metal LPBF equipment forming. The high-precision Z-axis lifting device comprises a main body frame provided with a vertical guide mechanism. The forming cabin connecting unit is connected with the top of the main body frame and communicates with the forming cabin; the liftable forming table is in sliding fit with the forming cabin connecting unit; the driving module is mounted in the main body frame and drives the forming table to vertically move; the guide assembly is fixedly connected with the forming table through a direct connecting piece and is in sliding fit with the guide mechanism; the position detection system is arranged on the side of a motion path of the guide assembly and comprises a non-contact displacement sensing device and a signal processing module, the system adjusts a driving module in real time through a feedback control loop, the driving module is composed of a power source, a transmission part and a guide positioning structure, and the guide assembly comprises guide parts which are symmetrically distributed in the circumferential direction. The device realizes high-precision guiding, accurate driving control and real-time position detection feedback, and has the advantages of stable connection, good connectivity and structural reliability.

The utility model is suitable for the technical field of ultrasonic motors, and provides an ultrasonic motor control optical lens structure, which comprises an ultrasonic motor assembly with an annular hollow structure and a lens assembly arranged in the ultrasonic motor assembly, and a stator assembly, a rotor assembly and a barrier assembly are arranged in the ultrasonic motor assembly. The stator assembly and the rotor assembly move relatively, the barrier assembly is arranged around the rotor assembly and is electrically connected with a circuit board, the lens assembly is provided with a focusing structure, and the rotor assembly is detachably and fixedly connected with the focusing structure; the rotor assembly is connected with the focusing structure of the lens assembly, when the focusing structure rotates and focuses, the rotor assembly and the stator assembly move relatively, the corresponding voltage of the contact on the resistance grid assembly changes, and feedback information of the ultrasonic motor assembly is formed after the feedback information is read by the circuit board. Accurate displacement or angle control of the lens assembly is achieved, and therefore accurate focusing is achieved.

The invention discloses a wind power shaft continuous forging device which comprises a base, a rack fixedly connected to the top of the base, a hydraulic assembly installed in the rack, a pressing plate fixedly connected to the output end of the hydraulic assembly and a shaft part placed on the top of the base. The shaft part is placed on the surface of the bearing component, and fixing structures are arranged on the two sides of the bearing component through adjusting structures. Through the integrated design, the base, the rack, the hydraulic assembly, the pressing plate, the shaft part and other key components are organically combined, continuous forging of the wind power shaft is achieved, through the design of the compact structure and complete functions, the production efficiency is improved, the occupied area is reduced, flexible arrangement in a factory or a workshop is facilitated, and the production cost is reduced. And meanwhile, the adjusting structure, the fixing structure and the linkage structure which are installed on the surface of the base can carry the shaft part to automatically change the position and angle in the forging process, and the continuous forging machining effect is achieved.