67results about How to "High repeatability" patented technology

The invention provides a system for detecting the room-temperature tensile property of a material. The system is high in automation degree and high in detection repetition precision. The system comprises a tensile machine, a mechanical arm, a central control module, a sample caching module, a sample size measurement module and a sample collection and identification module. The central control module is used for inputting sample detection information, identifying samples, centrally controlling the detection system and reading and processing data; the sample caching module is used for stacking the identified tensile samples in a caching groove of the sample caching module and is used for sorting and normalizing the samples and caching and detecting the samples; the sample size measuring module is used for measuring the tensile length and necking diameter of the tensile sample before and after testing; and the sample collection and identification module completes sample storage according to a preset numbering rule after completing detection of the tensile sample. The invention also provides a method for detecting the room-temperature tensile property of the material, which is high in automation degree and high in detection repetition precision, and the method realizes full-step automatic detection of tensile property test.

The utility model discloses a marble detection platform for wafer detection, which comprises a marble main platform, a marble backup plate, an X-axis component, a Y-axis component and a Z-axis component, and adopts high-planeness marble as a substrate, so that compared with the traditional method adopting a frame type rack as the substrate, the wafer detection platform has the advantages that the structure is simple, and the production efficiency is high. The flatness during follow-up installation and multi-axis equipment operation can be guaranteed, a large-weight base is provided, and it can be guaranteed that equipment at the upper end is not prone to shaking and vibration during operation; the X-axis and the Y-axis of the detection platform are composed of high-precision linear motors and high-precision guide rails, so that the X-axis and the Y-axis run stably, the movement precision and the repetition precision are high, and the positioning precision reaches + / -1 [mu] m; x and Y axes of the detection platform are equipped with high-precision grating scale displacement sensors, and the positioning precision is + / -1 [mu] m; a rubber shock pad is installed at the bottom of the detection platform, overall shaking of the machine table is reduced, and a machine table motion structure operates stably.

The invention discloses a grating-type high-precision contact-type displacement sensor, and the sensor comprises a housing main body, a probe linear motion assembly, a grating code ruler assembly, a light transmitting and receiving assembly, a limiting groove assembly, and a mainboard assembly. A containing space is formed in the shell body, and the grating code ruler assembly, the light emitting and receiving assembly, the limiting groove assembly and the main board assembly are all arranged in the containing space. The grating code ruler assembly comprises a grating code ruler, a plurality of transparent lines and opaque lines are formed on the grating code ruler, and the coding mode of the grating code ruler adopts a mixed coding mode of incremental coding and absolute coding. According to the invention, a mixed coding mode is adopted by the grating code ruler, zero searching operation is not needed, and a probe linear motion structure capable of realizing precise transmission is matched, so that the sensor has the advantages of high repetition precision, good performance stability, high response speed and strong anti-interference capability.

The invention discloses a positioning and clamping device for fine boring of a planet carrier. The positioning and clamping device is characterized by comprising a base, equal-height blocks, an inner hole tensioning device, a pressing device and a positioning bolt, the base is installed on a boring equipment working platform, and the inner hole tensioning device is installed on the base and used for tensioning an inner hole in the lower end of a workpiece through a steel ball. The equal-height blocks are evenly distributed on the upper plane of the base in a circumferential mode and used for supporting workpieces. The lower end of the positioning bolt is mounted on the left upper side of the base, and the upper end is inserted into a process positioning hole in a workpiece; the two pressing devices are symmetrically arranged on the left side and the right side of the base and used for pressing the workpiece. The multiple steel balls which are arranged in the same horizontal plane and evenly distributed in the circumferential direction are adopted to tension / loosen the inner hole in the lower end of the workpiece along with vertical movement of the abrasion-resistant taper sleeve, operation is easy and fast, the tensioning positioning precision is high, the steel balls make point contact with the inner hole of the workpiece, the contact area is greatly reduced, and the inner hole of the workpiece cannot be damaged.

The invention discloses an electric three-way valve which comprises a driving device and a valve body, the driving device comprises a stepping motor and a reduction gearbox, the reduction gearbox is provided with an output planet carrier, a ball core is arranged in the valve body, an output shaft of the output planet carrier is connected with the ball core, the valve body is provided with three connectors, the three connectors are a port B, a port C and a port A respectively, the port A is an inlet, and the port B is an outlet. A channel a, a channel b and a channel c are arranged in the ball core, the stepping motor controls the ball core to be in a boundary state when the ball core rotates by 90 degrees through the reduction gearbox so that the ball core can be in the four boundary states of 0 degree, 90 degrees, 180 degrees and 270 degrees, the angle between the two boundary states of the ball core is in a transition state, and the ball core is used for adjusting fluid flow when in the transition state. Continuous flow adjustment can be achieved, the phenomenon of shock cooling and shock heating is avoided, opening and closing of the port B and the port C can be independently controlled, and optimal control over the system is achieved.

The invention discloses an electronic equipment aging test device, and relates to the technical field of aging test, the electronic equipment aging test device comprises a test tool, the test tool comprises a machine body, a roller, a bolt, a trunnion, a connecting rod, a slot, a slope, a connecting terminal, a spring push rod and a trigger rod, and the roller is rotatably installed at the bottom of the front end of the machine body. In the using process, if performance defects exist in the electronic equipment to be tested in the testing process, the testing rod presses the triggering rod downwards, the socket of the electronic equipment is stripped from the interior of the corresponding connecting terminal, and discharging of the electronic equipment is completed in an auxiliary mode through the slope formed in the front end of the inserting groove. According to the device, unqualified products can be actively recognized and discharged in the aging test process, screening and discharging of the unqualified products are independently arranged independent of the feeding and discharging process of qualified products, and screening and sorting of the unqualified products by a user can be effectively facilitated; the defect that unqualified products are mixed in qualified products and are difficult to identify and screen in the prior art is overcome.

The utility model discloses transfer conveying equipment for resin anchoring agent production, which relates to the technical field of anchoring agent production and comprises a conveying frame, a plurality of conveying wheels are rotatably mounted on the conveying frame and are divided into an upper group and a lower group, the lower group of conveying wheels are densely distributed and form a bearing conveying structure, and the lower group of conveying wheels are arranged on the conveying frame. One group of conveying wheels at the upper part is positioned at the tail end of the conveying frame and is opposite to the other group of conveying wheels at the lower part, and a gap I for clamping a resin anchoring agent finished product is formed between the upper group of conveying wheels and the lower group of conveying wheels. The conditions of overall bending, head bending, end deformation or abrasion and the like of the section body due to the fact that an arc-shaped guide groove is directly used for applying force to the head end and the tail end of the section body are avoided, adverse effects on follow-up cutting operation are avoided, meanwhile, the quality problems of easy damage, leakage and the like caused by bending deformation are avoided, and the quality of a resin anchoring agent finished product is improved.

The present invention relates to a sub-frame positioning and assembly tool, which includes a fixed assembly position, a first positioning component, a movable assembly position, a second positioning component, a sliding structure and a self-locking structure, wherein each sliding cylinder can drive a corresponding sliding platform to slide and feed each crossbeam to the joint with the corresponding longitudinal beam, and the self-locking structure is used to lock the corresponding sliding platform with the workbench. Compared with the prior art, the present invention can stably load and position each crossbeam and longitudinal beam of the sub-frame, and facilitate the assembly of each crossbeam with the corresponding longitudinal beam through the sliding structure, and at the same time, the corresponding sliding platform can be locked with the workbench through the self-locking structure, so as to avoid the sliding cylinder from being affected by the tensile rebound generated by welding heat, and at the same time, effectively avoid the influence of heat concentration on the deformation of parts during the mitigation process, improve the repetitive accuracy and stability of the positioning and assembly tool, and at the same time extend the service life of the tool.

The application relates to a material belt cutting device which comprises a workbench and a material placing plane, the material placing plane is provided with at least two positioning members matched with material belt positioning holes, the workbench is provided with a discharging groove in a cutting area; a positioning mechanism is rotationally connected with the workbench, has a pressing plane, and is provided with a punching groove corresponding to the discharging groove on the side; a punching head of a punching mechanism reciprocates in the punching groove, a cutting edge faces the material placing plane and is opposite to the discharging groove; a pressing mechanism is transmissionally connected with the positioning mechanism or the workbench, a pressing piece presses the back end of the punching head to complete cutting, and cutting off materials are discharged through the discharging groove. The above-mentioned cooperation forms a chain link of centering anti-rotation, surface pressing limiting, guiding punching and coaxial chip removal, solves the problems of unstable alignment, insufficient pressing, no guiding and poor chip removal, improves the alignment stability and the repeat precision, improves the cutting quality and facilitates rapid model change.

This invention provides a steelmaking feeding device and steelmaking equipment, relating to the field of steelmaking technology. It includes: a hoisting structure and a conveying structure distributed below the hoisting structure; the conveying structure includes a fixed plate, a slide rail, a drive trolley, and a receiving cavity; the fixed plate is distributed below the hoisting structure, the slide rail is fixed to the fixed plate at equal intervals, and the receiving cavity is distributed on one side of the drive trolley. The drive trolley drives the receiving cavity to slide on the slide rail, used to transport materials hoisted by the hoisting structure; a screen plate is fixed to the inner wall of the receiving cavity, dividing the inner cavity into upper and lower cavities. A compression structure is provided in the upper cavity, used to compress the material inside the receiving cavity. This invention optimizes the feeding process through automatic screening and step-by-step feeding, significantly improving efficiency and reducing energy consumption when combined with material compression transportation, and achieving precise and intelligent feeding operations through full-process automated control.

The invention relates to the technical field of precision detection, in particular to a precision detection device and a dynamic error compensation method.The device comprises a conveying mechanism, a turnover clamping mechanism, a jacking mechanism, a detection mechanism and a manipulator, and the conveying mechanism is used for conveying a to-be-detected product and a detected product; the overturning clamping mechanism clamps the product after the manipulator places the product to be detected on the jacking mechanism and drives the product to overturn around the central axis of the product in the detection process, so that the detection of the front and back surfaces is realized; the jacking mechanism is located below the overturning and clamping mechanism and used for providing bottom supporting when the product is clamped and descending to give way during overturning so as to keep the posture stable. The detection mechanism is located above the turnover clamping mechanism and can move in a reciprocating mode and conduct non-contact detection above the product; the manipulator is responsible for taking, placing and sorting, so that double-sided automatic detection of the to-be-detected product in the same station is realized, and the detection precision, the detection efficiency and the consistency of front and back detection results are remarkably improved.

The utility model discloses a kind of multi-axis layered linkage blade lever for small circuit breaker, comprising: lever body, it is the special-shaped plate member of integrated molding;Main pivot hole, the lever body can rotate around the main pivot hole;First lateral transmission column, for cooperating with circuit breaker handle or superior linkage member;Second lateral transmission column, set in the middle pivot area;Third lateral transmission column;Wherein, the first lateral transmission column, the second lateral transmission column and the third lateral transmission column are layered arrangement along the lever body height direction, and form stepped overhanging structure in the lever body thickness direction, so that handle linkage member, blade driving member and spring energy storage member can be respectively located in different movement level.This multi-axis layered linkage blade lever for small circuit breaker integrates multiple components on a special-shaped plate lever body, with the characteristics of high part integration, good assembly precision and small movement interference.

The present application relates to the technical field of optical fiber coupling clamping positioning calibration, and discloses a kind of optical fiber coupling clamping positioning calibration method, optical fiber or lens clamping positioning is calculated with standard calibration piece theoretical coupling target position;With grating calibration plate establishes pixel mapping, calculates spatial displacement deviation;Generation multi-degree-of-freedom adjustment instruction controls five degrees of freedom and monitors coupling efficiency;Adopt random parallel gradient descent algorithm closed loop iteration until coupling efficiency reaches threshold value.The whole process closed loop control from initial clamping to final alignment of the optical fiber coupling clamping positioning calibration method improves coupling efficiency and repeat accuracy, calculates theoretical coupling target position by standard piece turnover measurement, thereby eliminating the system deviation of clamp and optical path, and accurate mapping of pixel and physical size is established using grating calibration plate, image distortion influence is eliminated, visual deviation is converted into spatial displacement deviation after driving adjustment, blind search is avoided.

The invention relates to the technical field of dispensing equipment, and provides an automatic valve and glue changing device applied to dispensing equipment, comprising: a back plate main body, one side of which is provided with a back fixing plate, the other side of which is provided with a driving hinge, and which is internally provided with an air chamber and a movable push rod communicated by an air passage; a clamping hook clamped with the driving hinge is arranged on one side of the valve main body, an electromagnet is arranged on a mounting seat on the other side of the valve main body, and the bottom of the valve main body is connected with a runner; the cylinder fixing support is provided with a containing part, an adapter and a metal plate capable of being attracted by the electromagnet. The movable push rod can be driven by air pressure to push the drive hinge to stretch out and be clamped with the clamping hook, and therefore the valve body can be rapidly locked. The electromagnet can adsorb the metal plate to realize rapid combination of the rubber sleeve; the device has the characteristics of modular structure, reliable locking, quick replacement, good sealing performance and high integration level.

The invention, which relates to the technical field of spraying piece detection, discloses an auxiliary detection apparatus for a spraying piece, comprising a synchronization assembly. In the using process, the piston rod is driven by the electric cylinder to move in the pump body, energy is provided for an alcohol solution in the pump cavity in the form of pressure energy in the discharging stroke, the alcohol solution in the pump cavity is sprayed to a preset detection area of a spraying piece through the atomization nozzle, and in the discharging stroke of the piston rod, energy is supplied to the spraying piece. The connecting rods on the two sides of the middle of the output shaft of the electric cylinder synchronously drive the upper pressing plate to move, the upper pressing plate further drives the lower pressing plate through the spring rod to cover the outer edge of the to-be-detected area of the spraying piece, and a red circle mark is made on the outer edge of the to-be-detected area of the spraying piece through the transfer ink paste. According to the device, through the design of the electric cylinder, reciprocating pumping of the alcohol solution by the pump cylinder is achieved in the practical application, and a red circle mark is made on the spraying area of the alcohol area synchronously.

The utility model discloses a vertical electric injection molding machine which comprises a base, an injection molding machine body consisting of a pushing and shooting mechanism and a material storage mechanism is arranged on the base, a screw rod driven by a first servo motor is arranged in the pushing and shooting mechanism, and a screw rod nut is arranged on the screw rod. A pressure sensor in signal connection with the first servo motor is installed on the end face of the lead screw nut, the pressure sensor is connected with the rear end of the material storage mechanism, injection time can be accurately controlled, a servo encoder detects and calculates the position, the position is fed back to a driver to be controlled, repeated precision operation within 0.01 mm can be maintained for a long time, and the injection efficiency is improved. A storage screw driven by a second servo motor is mounted in the storage mechanism, a storage cavity is formed in the front end of the storage mechanism, a nozzle is further mounted at the front end of the storage mechanism and communicated with the storage cavity, and compared with a hydraulic motor and a servo motor used by a conventional injection molding machine, the injection molding machine is higher in rotating speed, more suitable for molding of products with long runners and thin walls, more environmentally friendly and higher in practicability. And the method is environment-friendly and suitable for forming various medical products.

The application relates to the technical field of visual measurement, and discloses a high-precision visual measurement instrument system and method based on multi-sensor fusion, which comprises a visual acquisition module, an auxiliary measurement module, a motion positioning module, an environment state acquisition module, a built-in reference element and a data processing module. The data processing module acquires current characteristic data of the built-in reference element, compares the current characteristic data with standard characteristic data to obtain a current drift amount, corrects coordinate conversion parameters according to the current drift amount, adjusts a fusion weight, and then outputs a measurement result of a measured workpiece. The system can acquire the current characteristic data of the built-in reference element before, during or after the measurement of the measured workpiece, compare the current characteristic data with the standard characteristic data to obtain the current drift amount, and correct the coordinate conversion parameters according to the current drift amount, so that the measurement only depends on the initial calibration parameters is avoided, and the stability and the repeat precision of the measurement result are improved.

The present application relates to the technical field of machining, in particular to a clamp for machining the radial surface of a steam turbine blade by a four-axis machine tool; the driving disc is fixedly installed on the upper surface of a displacement base, and the displacement base is used for driving the driving disc to adjust the lifting; the driving disc is provided with a core expansion clamp used for internally expanding and positioning the shaft hole of the steam turbine blade. The radial driving assembly comprises a ring sleeve base, a worm drive, a plurality of rotating guide rods, a push head and a linkage rod. The ring sleeve clamp group is composed of a clamping ring, a split clamping petal and an abutment, the split clamping petal can be self-adapted to the outer periphery of the blade under the deformation of the clamping ring, and the surface of the abutment is provided with a flexible rubber pad to prevent surface damage. The bidirectional clamping structure combining internal expansion and external wrapping is used to realize high-precision positioning and stable clamping of the steam turbine blade, and the present application has the advantages of automatic adjustment, flexible wrapping and high repeat accuracy, and significantly improves the stability and processing efficiency of the four-axis machine tool processing.

The invention provides a balance type hydraulic dual-mold vulcanizing machine which can be suitable for production of all-steel tires and can guarantee repeated precision. Comprising a base, a mold opening and closing oil cylinder, a guide assembly and a pressurizing assembly, the guide assembly comprises a guide column and a guide sleeve arranged on the guide column in a sleeving mode, supporting legs are installed on the bottom face of the base, the pressurizing assembly is installed on the base, stand columns are installed at the two ends of the base, a connecting beam is connected between the stand columns at the two ends, and the connecting beam is connected with the base. The guide pillar is fixedly connected between the base and the connecting beam, the cross beam is fixedly connected with the guide sleeve, an upper support penetrating through the connecting beam is installed on the cross beam, a piston rod of the mold opening and closing oil cylinder installed on the base penetrates through the cross beam and then extends into the upper support, and the guide sleeve is fixedly connected with the guide pillar. The top end of the piston rod is fixedly connected with the upper support, and the mold opening and closing oil cylinder drives the cross beam to move along the guide columns so as to achieve mold opening and closing actions.

This invention discloses a necking stamping device suitable for the end of a cylindrical workpiece, belonging to the field of metal stamping forming technology. The device includes a worktable, mounting brackets, and stamping mechanisms. The upper support plate of the worktable has a processing groove, and at least two mounting brackets are arranged at intervals around the processing groove. Each stamping mechanism includes a fixed seat, a slidingly mounted stamping head, and a stamping cylinder. The lower support plate has a reference post with a clamping protrusion, providing rigid support from the inside of the workpiece. The device also includes a spring-loaded mechanism, including an elastic reset block, a locking component, and a follower component. When the workpiece is inserted, it automatically yields and locks, emitting an audible feedback upon reaching the correct position. At the end of the stamping process, the follower component triggers unlocking, and after the stamping head retracts, the elastic reset block automatically ejects the workpiece. This invention can simultaneously stamp and form multiple threaded plates at the end of a cylindrical workpiece, effectively preventing workpiece displacement and sidewall deformation, and has advantages such as high forming efficiency, reliable positioning, and automatic unloading.

The invention discloses a circuit board automatic measurement system and a circuit board automatic measurement method. The circuit board automatic measurement system comprises an image sensing device, a server host and a laser device, wherein the server host is electrically connected with the image sensing device and the laser device. The image sensing device is configured to shoot the circuit board to be measured to generate a measurement image. The laser device is configured to measure the thickness of the circuit board to be measured. The server host stores a reference image of the standard circuit board, and the server host is configured to compare the measurement image with the reference image to obtain a plurality of aperture differences. When any aperture difference does not conform to the aperture tolerance, the server host is configured to judge the circuit board to be detected as an unqualified circuit board; and when each aperture difference accords with the aperture tolerance, the server host is configured to judge the circuit board to be detected as a qualified circuit board.

The utility model relates to the technical field of coating machine and coating machine accessory, concretely relates to a die lip detection device, include: detection platform is used for along the first horizontal direction and places the die to carry out detection, drive assembly is set up on the detection platform, scanning piece is connected with the drive end of drive assembly, moves along the first horizontal direction by drive assembly drive, is used for the lip scanning imaging of die. The mode of the existing lip detection device through the clamp clamped at the lip of coating die, needs repeatedly dismounting when detecting, is time -consuming and labor -saving, and the problem of low production efficiency is solved.

The utility model relates to the technical field of filter manufacturing, in particular to a pressure maintaining tool for an upper cover of a filter element, which comprises a bottom plate and is characterized in that guide shafts are fixed on two sides above the bottom plate, an air cylinder mounting plate is fixed above the guide shafts, an air cylinder is fixed on the air cylinder mounting plate, and a piston rod of the air cylinder is connected with a lower pressing plate. The two sides of the lower pressing plate are connected with the guide shafts through linear bearings, a pressing plate is fixed below the lower pressing plate, and a filter element positioning plate is fixed above the bottom plate. Compared with the prior art, by adopting the structure of the guide shaft and the linear bearing, the whole structure is stable, the repeated precision of the pressing position is high, and the conditions of deviation and dislocation cannot occur.

This invention discloses a waterproof performance testing device for new energy vehicle electronic control boxes, relating to the field of new energy vehicle electronic control box testing technology. It solves the problems of existing technologies in testing the waterproof performance of automotive electronic control boxes, such as limited testing methods, inconvenient operation, and susceptibility to affecting test results and efficiency. The device includes a test base; a test chamber fixedly mounted on the test base, with a test seat located in the side port of the test chamber, and a water-filled test tank fixedly connected to the inner side of the test seat; a conveying device mounted on the test base for conveying the electronic control box to be tested to the test position within the test chamber; and a support device for supporting and placing the electronic control box. This invention's testing scheme eliminates the need for a separate, dedicated testing device, allows for convenient switching of testing methods, effectively reduces costs, minimizes operational interference with test results, improves the accuracy of test results, and is generally very convenient to operate.

The invention discloses a synchronous control system and method for a seaplane model water entry experiment, and the system comprises a central control module, a wave maker control module, a motor control module and a triggering and data collection module, and predicts the time delay [delta] t1 of a wave arriving at a target phase of an experiment water area based on real-time wave height data and a propagation model; dynamically calculating model release delay delta t2 by combining the real-time speed of the motor and the free falling body model; triggering release, shooting and acquisition in an accurate time sequence; and a multi-frame image sequence deep learning phase regression and increment Bayesian optimization method is innovatively adopted to construct a closed-loop error compensation mechanism, and subsequent experimental parameters are adaptively corrected. According to the invention, through unified scheduling of the central control module, microsecond-level time sequence synchronization (llt; and meanwhile, based on self-adaptive control and error compensation of position feedback, accurate experimental test is realized.

This application discloses a servo turntable assembly for a center-driven vertical injection molding machine and the vertical injection molding machine itself, belonging to the field of intelligent manufacturing equipment. It includes a mold base, an upper mold-closing base, a lower mold-closing base, a turntable, a turntable servo assembly, a mold-closing linkage assembly, a mold-closing servo assembly, and a mold-closing fine-tuning assembly. This application has the effects of reducing injection molding machine energy consumption, reducing pollution, and improving mold-closing accuracy.

The invention belongs to the technical field of vehicle door assembly, and provides a vehicle door assembly positioning tool which comprises a tool base, a positioning reference part, a supporting part, a limiting part and a pressing part. The positioning reference part is fixedly installed on the tool base and used for positioning and installing the tool base to the side wall of a vehicle body. The supporting part is fixedly installed on the tool base, and the supporting face of the supporting part is used for supporting the vehicle door hinge in the Z direction. The limiting component and the pressing component are connected to the corresponding operation handles through independent lever mechanisms and are movably arranged on the tool base. The limiting component is provided with a limiting face used for abutting against the automobile door in the X direction, and the pressing component is provided with a pressing face used for pressing the automobile door in the Y direction. The supporting face, the limiting face and the pressing face are configured to jointly position and fix the vehicle door in the X direction, the Y direction and the Z direction, and the lever mechanism is driven by manpower through an operation handle. Manual operation and installation are facilitated, and the assembling precision of the vehicle door can be guaranteed.

The utility model discloses an automatic PCB turning mechanism, and belongs to the technical field of automation. The automatic PCB turning mechanism comprises a rotating support, a turning assembly, a clamping assembly and a conveying assembly. The rotating bracket comprises a first rotating bracket and a second rotating bracket; the overturning assembly comprises a driving overturning assembly and a driven overturning assembly; the first rotating support is provided with a driving overturning assembly, the second rotating support is provided with a driven overturning assembly, the driving overturning assembly and the driven overturning assembly are connected with the clamping assemblies respectively, and the clamping assemblies are arranged on the two sides of the conveying assembly. The automatic PCB turning mechanism is simple in structure, tedious manual debugging and mounting steps are replaced, time is saved, working efficiency is improved, and stability and diversity are brought to PCB turning use.

The utility model discloses a low-back-clearance Y-shaped rotary clamping module. The low-back-clearance Y-shaped rotary clamping module comprises a box body, a Y-shaped clamping jaw mechanism, a linear motion transmission assembly, a rotary motion transmission assembly, a clamping driving motor and a rotary driving motor, the Y-shaped clamping jaw mechanism comprises a jaw block supporting seat, a jaw block assembly and a push-pull head assembly, the jaw block supporting seat is rotatably connected to one end of the box body, the jaw block assembly is rotatably connected to the jaw block supporting seat, and one end of the push-pull head assembly is connected with the jaw block assembly; the linear motion transmission assembly is connected with the push-pull head assembly, and the rotary motion transmission assembly is connected with the claw block supporting seat; the clamping drive motor is connected with the linear motion transmission assembly, and the rotary drive motor is connected with the rotary motion transmission assembly. And a first position sensor capable of moving up and down for adjustment is arranged beside the Y-shaped clamping jaw mechanism on the box body. Compared with a pneumatic rotary clamping jaw, the rotary clamping module has the advantages of being good in stability, high in positioning precision, wide in force control range, low in energy consumption, high in response speed, long in service life and the like.

The invention discloses a connecting structure of an air inlet pipe in furnace tube type equipment and a fixing method of the connecting structure, and belongs to the technical field of pipe joint and pipe supporting, the connecting structure comprises a reaction cavity, an exhaust manifold arranged at the bottom of the reaction cavity and an air inlet pipe arranged in the reaction cavity, and further comprises an air inlet pipe fixing structure; the air inlet pipe fixing structure comprises an air outlet short pipe, a positioning ring and a clamping ring. A stepped cylindrical surface is arranged at the upper part of the air outlet short pipe; the positioning ring comprises a ring piece and a positioning column arranged on the ring piece; the clamping ring is of an annular structure with the span larger than 180 degrees. By means of the multi-point insertion matching design of the positioning columns and the positioning holes, accurate centering and powerful radial constraint of the air inlet pipe in the air outlet short pipe are achieved, and the possibility that the air inlet pipe shakes in the radial direction in the operation process is fundamentally eliminated. Due to the matching design of the arc-shaped clamping grooves and the protrusions, double mechanical locking in the axial direction and the circumferential direction is provided, the reliability is far better than that of traditional welding, and connection failure caused by thermal stress is completely eradicated.