108results about How to "Accurate replacement" patented technology

The invention discloses a method for replacing a ship rudder horn, which comprises the following steps of: measuring rudder blade gap data, measuring old rudder horn data as an original record, so that a new rudder horn is measured and compared again after being installed, and a center line of a guyed rudder system is established; hoisting a new rudder horn in place, adjusting the position of the rudder horn by taking the center line of the steering engine as a reference, assembling the new rudder horn and a ship body structure together, symmetrically welding, and performing ultrasonic flaw detection and magnetic powder flaw detection on a welding seam; boring the new rudder horn by taking the center line of the guyed rudder system as a reference; and a rudderstock lower cloth and a rudder pintle cloth of the rudder horn are machined, and the steering engine, the rudder blade, the rudderstock and the rudder pintle are installed back. According to the replacement method of the ship rudder horn, the parameters of the old rudder horn are collected to serve as the positioning parameters of the new rudder horn, accurate replacement of the rudder horn can be achieved, accurate folding of the replaced new rudder horn and the ship body is facilitated, and the installation accuracy of the rudder horn can be improved by establishing the center line of the guyed rudder system.

The invention relates to the field of five-axis machine tools, in particular to a five-axis high-speed and high-precision machining center which comprises a machine base, a machining center body and a machining center body. The double-shaft movement device adopts a reinforced extension arm type structure and is used for driving the machining main shaft to move in the X and Z orthogonal directions or the Y and Z orthogonal directions; the horizontal moving device is used for driving the offset type double-swinging-head device to move in the horizontal direction; the offset type double-swing-head device is far away from the double-shaft movement device, and the offset type double-swing-head device has two rotational freedom degrees of an A shaft and a C shaft and is used for machining a workpiece at multiple angles; the machining main shaft is used for completing machining operation of the parts through high-speed rotation and accurate feeding; the automatic tool changing device is used for automatically selecting and changing tools; the control system is used for coordinating movement of all the devices so as to achieve efficient and high-precision machining. The stability and reliability of the machining center are improved.

The invention relates to the technical field of automatic control, and discloses a decontamination control method and system for laboratory automatic feeding equipment and a storage medium, the method is based on a decontamination cleaning device arranged on a tail frame of laboratory equipment, and the method comprises the following steps: firstly obtaining an image above a tail frame of a conveying belt to obtain a dirt image, and identifying a first dirt feature according to a specific dirt threshold value; and calculating the corresponding first dryness and humidity and the first distribution uniformity. The immersion depth of the cleaning rolling brush in the disinfectant is adjusted according to the first dryness and humidity in an anti-correlation mode, if the dryness and humidity are high, immersion is shallow, and if the dryness and humidity are low, immersion is deep; the thickness of the cleaning rolling brush is adjusted in an inverse correlation mode according to the first distribution uniformity, if the uniformity is high, the rolling brush is thin, and if the uniformity is low, the rolling brush is thick. Then acquiring a side image of the tail bracket of the conveying belt, identifying a second dirt feature, calculating the dirt height, and adjusting the pressure of the scraper pressing the conveying belt and the rotating speed of the cleaning rolling brush according to positive correlation, wherein if the dirt height is high, the pressure is high, the rotating speed is high, and if the dirt height is low, the pressure is low, and the rotating speed is low. By means of the scheme, automatic and efficient decontamination can be achieved.

The invention discloses a vehicle part management method and system based on automatic driving, a medium and equipment, and relates to the technical field of intelligent vehicle control. The method comprises the following steps: acquiring vehicle surrounding environment information and historical operation information of each component; processing the historical operation information of each component by using a driving habit model to obtain driver habit information; generating an optimal route according to preset navigation information in combination with surrounding environment information, driving according to the optimal route, and adjusting real-time operation parameters of each component according to driver habit information by taking minimum output as a target; and according to the real-time operation parameters of each part, carrying out residual life estimation on the corresponding part to obtain a safety evaluation prediction result of each part in each travel. The service life of the safety parts of the intelligent networked automobile with the automatic driving system can be prolonged, and meanwhile more accurate replacement can be achieved.

The invention discloses material mixing equipment for hard alloy material processing, which comprises a stabilizing seat, a material mixing tank, a stirring structure, a powder feeding hole and a liquid feeding hole, and further comprises a lower powder butt joint structure, the stirring structure comprises a driving motor and an upper stirring rod, the lower powder butt joint structure comprises a limiting cylinder fixed at the bottom in the material mixing tank, and the limiting cylinder is fixed at the bottom in the material mixing tank; a lower stirring rod is movably mounted on the inner side of the limiting cylinder and is clamped with the upper stirring rod, stirring blades are arranged on the outer side of the lower stirring rod, and an outer sleeve ring is arranged on the outer side of the lower stirring rod and the outer side of the upper stirring rod; the lower flow penetrating structure comprises an annular table located below the stirring blades, the annular table is connected with the lower stirring rod and rotates along with the lower stirring rod, a plurality of sets of movable pressure applying frames are arranged at the upper end of the edge of the outer side of the annular table, and a pressure applying rod is arranged on the inner side of each movable pressure applying frame. And the uniformity of the mixing temperature is ensured.

The invention relates to the technical field of ultra-high voltage transmission line maintenance, in particular to a multifunctional defect eliminating robot which comprises a rack, a distance adjusting structure installed on the rack, a line distance adjusting structure installed on the distance adjusting structure and a mechanical arm installed on the rack. The mechanical arm is connected with a defect eliminating tool or a pin supplementing tool; the pin supplementing tool comprises a mounting table, a horizontal displacement structure mounted on the mounting table, a vertical translation structure mounted on the horizontal displacement structure, a pin box mounted in the mounting table, a pin clamping jaw mounted on the vertical translation structure, a pin opening device and a nut clamping jaw, wherein the pin opening device and the nut clamping jaw are mounted at the front end of the mounting table. And the nut clamping jaw is positioned above the overhead device. Therefore, the multifunctional defect-eliminating robot is used for solving the technical problem that the prior art mostly stays at the inspection or foreign matter cleaning stage, and although some devices and technologies can perform repairing work, the repairing work is mostly single.

The invention discloses a six-axis machining tool which comprises a tool sorting robot, a movable tool magazine mechanism and a sliding workbench mechanism. The tool sorting robot comprises a grabbing module used for taking and placing tools and a plurality of clamping jaw grabbing devices installed on the grabbing module. The movable tool magazine mechanism comprises a tool magazine door assembly, a tool magazine used for containing tools and a movable tool rest assembly used for conveying the tools. The sliding workbench mechanism comprises a sliding platform and a tool setting gauge assembly sliding along with the sliding platform. The six-axis machining module comprises a plurality of machining shaft assemblies. The automatic tool switching device has the beneficial effects that through coordinated operation of the tool sorting robot, the movable tool magazine mechanism, the six-axis machining module and the sliding workbench mechanism, efficient and automatic tool switching is achieved. The machining efficiency is high, the machining quality is high, the labor cost is saved, and the uncertainty caused by frequent manual tool replacement is reduced.

The lifting device comprises a battery bin, an unmanned aerial vehicle positioning mechanism is fixedly installed at the top of the battery bin, a positioning platform is fixedly installed at the top of the battery bin, and a servo motor is fixedly installed on the right side of the positioning platform. And a driving box is fixedly installed in the positioning platform, a turbine and a worm which are meshed with each other are rotationally connected into the driving box, and a first bidirectional threaded shaft and a second bidirectional threaded shaft are rotationally connected into the driving box. According to the lifting device for automatic battery replacement of the unmanned aerial vehicle, automatic battery replacement of the unmanned aerial vehicle is achieved through cooperation of the lifting mechanism and the battery clamping mechanism, a double-shaft motor drives a threaded lifting shaft to rotate and drives a driving motor and a limiting cylinder to ascend and descend, and the threaded driving shaft drives a connecting plate and the battery clamping mechanism to move; the vacuum pump controls the vacuum chuck to suck the battery in the battery compartment and mount the battery to the unmanned aerial vehicle body, manual operation is not needed, and the problem of battery replacement in a complex environment is solved.

The utility model discloses a photovoltaic glass lip brick support, which comprises a clamping and lifting support, a fixed connecting support and a cooling device, a height adjusting mechanism and a locking device are arranged in the clamping and lifting support, and the lip brick can be positioned and adjusted in height, front, back, left and right directions. Meanwhile, in the using process, due to the effect and control of the cooling device, the whole support is well protected, the position stability of the support is facilitated, the lip bricks are replaced quickly and accurately, and the production efficiency is greatly improved.

A filter and a filtering system, characterized in that the housing comprises a cylinder and an upper cover plate and a lower cover plate detachably mounted on the upper and lower ends of the cylinder, the filter element assembly comprises a first filter element and a second filter element, the first filter element is loaded into the cavity from bottom to top, the second filter element is loaded into the cavity from top to bottom, and the lower end of the second filter element extends to the inside of the first filter element, the filter forms a lower interface, a first fluid channel, a second fluid channel, a third fluid channel, and an upper interface which are connected in sequence, and a pressure port connected to the second fluid channel is also formed on the housing. Its advantages are: 1. It can achieve step-by-step filtration with good filtering effect; 2. The structure is more compact, small in size, and small in area; 3. The first filter element and the second filter element are separately arranged and can be independently disassembled and assembled without interfering with each other, which is not only more convenient to disassemble and assemble, but also reduces costs; 4. It is easy to judge the faulty filter element, so as to achieve accurate replacement.

The utility model discloses an address configuration device and a group charging system comprising the address configuration device, and relates to the charging pile field, the address configuration device comprises a setting circuit arranged on a first device, the first device comprises a first connecting piece, the setting circuit comprises a first public port and a plurality of first address ports, the first public port and the plurality of first address ports are connected with the first connecting piece, and the one or more first address ports are connected with the first public port; and the detection circuit is arranged on second equipment, the second equipment comprises a second connecting piece, and when the second connecting piece is connected with the first connecting piece, the detection circuit is triggered to acquire the address configuration signal, convert the address configuration signal into an address identification signal and output the address identification signal. According to the utility model, address setting efficiency and charging safety can be improved, and after product position exchange, the actual position corresponds to a new address, so that operation and maintenance personnel can accurately position the position of the modular product, thereby improving maintenance efficiency.

A filter and a filtering system are characterized in that a shell comprises a barrel, an upper cover plate and a lower cover plate, the upper cover plate and the lower cover plate are detachably mounted at the upper end and the lower end of the barrel, a filter element assembly comprises a first filter element and a second filter element, the first filter element is mounted in a containing cavity from bottom to top, the second filter element is mounted in the containing cavity from top to bottom, and the lower end of the second filter element extends into the first filter element; the filter is provided with a lower connector, a first fluid channel, a second fluid channel, a third fluid channel and an upper connector which are communicated in sequence, and a pressure tapping communicated with the second fluid channel is further formed in the shell. The device has the advantages that 1, step-by-step filtering can be realized, and the filtering effect is good; 2, the structure is more compact, the size is small, and the occupied area is small; 3, the first filter element and the second filter element are arranged in a split manner and can be independently disassembled and assembled without mutual interference, so that the disassembly and assembly operation is more convenient, and the cost is reduced; and 4, a fault filter element can be conveniently judged, so that accurate replacement is realized.

The utility model discloses a linkage locking mechanism for an injection mold, which comprises a working bottom plate, the top of the working bottom plate is fixedly connected with a static mold block, the surface of the top of the static mold block is movably connected with a movable mold block, and the surfaces of the movable mold block and the static mold block are provided with locking components for connecting the injection mold. The locking assembly comprises movable grooves formed in the surfaces of the movable mold block and the static mold block, and dovetail track grooves are formed in the surfaces of the movable grooves. According to the linkage locking mechanism ring for the injection mold, by means of the arrangement of the locking assembly, after the static module and the movable module are connected, the static module and the movable module are locked together just by rotating the handle by 90 degrees, and due to the fact that the protruding block and the groove are rotated by 90 degrees after being embedded mutually, the protruding block and the groove are tightly connected together; the static module and the movable module which are rotated are locked and fixed in the vertical direction and the horizontal direction, the related structure is simple, and operation is convenient and rapid.

The invention discloses an intelligent electric meter performance quality evaluation method, system and device and a storage medium, and the method comprises the steps: collecting the electric energy data time series of a master meter and a sub-meter of a transformer area in different transformer areas, and carrying out the preprocessing of the collected data, and obtaining an original electric energy data time series set; performing clustering analysis on the electric energy data time series in the original electric energy data time series set; based on the electric energy data time sequence set of each category, training an evaluation model to obtain an electric energy prediction model of the corresponding category and determine a corresponding threshold index; and evaluating the performance of the intelligent electric meter based on the electric energy prediction model of each category and the corresponding threshold value index thereof. The prediction value of each type of electric energy data curve is obtained based on the clustering analysis algorithm and in combination with the long-short-term memory network model, the performance of the intelligent electric meter is judged according to the difference value between the prediction value and the actual value, and technical support is provided for operation maintenance and accurate replacement of the intelligent electric meter in a transformer area.

The application relates to a lithium battery anchor machine, which comprises a rack, a lithium battery, a motor, a gear transmission mechanism and a power output shaft which are installed on the rack; the motor is connected with a motor output shaft, the motor output shaft and the power output shaft are connected with the gear transmission mechanism respectively, the gear transmission mechanism comprises a planetary gear transmission assembly; the gear transmission mechanism is installed in a transmission shell, the power output shaft is stretched out from the transmission shell and detachably connected with a drill bit. The utility model can solve the problems of power source, working efficiency and maintenance cost, and improve the efficiency, safety and reliability of railway track bolt drilling operation.

The present application relates to a kind of drug bottle body defect detection equipment and detection method, and it is related to the technical field of medical instrument detection;Including detection platform, medicine bottle conveying part and angle adjusting component;Medicine bottle conveying part includes two clamping conveyors, and clamping conveyor is equipped with clamping block at equal intervals;Angle adjusting component includes two telescopic skeletons, and limit rotating shaft is rotatably arranged at the corner of two telescopic skeletons, and limit rotating shaft on telescopic skeleton is equipped with angle adjusting belt;The present application can solve the following problems existing in the prior art:First, the prior art mainly shoots the image of the whole bottle body, and a large number of pixel points and mosaic will appear in the image when the image is enlarged and detected, which will affect the accuracy of bottle body defect detection, so that some small scratches on the bottle body cannot be effectively identified;Second, the prior art has certain singleness, and it can only detect defects for single size of drug bottle body.

The present application discloses an online identification method, system and medium for short-board single-cell batteries based on ohmic characteristics. The method includes the following steps: periodically collecting terminal voltage data of all cells, marking the maximum voltage and minimum voltage in the terminal voltage sequence of all cells collected each time; calculating the extreme difference voltage of each cell; normalizing the extreme difference voltage to obtain the discreteness of the cell extreme difference voltage; counting the frequency of high discreteness of cells within a period of time, marking the first several cells with larger size within the period of time as suspected short-board single-cell batteries. The present application can identify short-board or suspected short-board cells in a power battery pack online, thereby identifying single-cell batteries that are about to be retired, which is conducive to accurately replacing single-cell batteries that are about to be retired, and can effectively improve the range of electric vehicles, extend the retirement time of battery packs, and improve the utilization rate of battery packs.

The present invention discloses a tunnel monitoring and measuring point reflector cleaning device, which relates to the field of tunnel engineering construction, and includes a cleaning mechanism, including a grip rod, a grip sleeve located at the bottom end of the grip rod, a switching platform located at the top of the grip rod, a mounting seat located outside the switching platform, a clamping member located inside the mounting seat, and a mounting head located inside the mounting seat; and a switching mechanism, including a switching groove opened on the surface of the grip rod, and a switching rod passing through the inside of the switching groove. Through the coordinated arrangement between the switching groove, the switching rod, the control member and the switching sleeve, the position adjustment of the cleaning tool can be achieved by simply toggling the switching rod, so that the user does not need to rotate the grip rod when using it, and the use of the cleaning device is more convenient. At the same time, the accuracy of the position change when using different cleaning tools is guaranteed, and the user does not need to debug the fit between the corresponding cleaning tool and the reflector of the measuring point again after adjustment, thereby improving the cleaning efficiency of the reflector.

The invention relates to the technical field of computational lithography, in particular to a job visualization management platform and a job execution method. A job scheduling module, a template management module and a job management module of the platform can be displayed on a display module; the template management module comprises a classification unit, and the classification unit is used for creating a job template; the operation management module comprises an operation generation unit and an operation monitoring unit, and the operation generation unit is used for receiving external operation data and importing the operation data into a corresponding operation template to generate one or more corresponding operations; the job scheduling module is used for receiving and executing jobs; the operation monitoring unit is used for monitoring the operation state of the operation on the operation scheduling module. Through visual display of the display module and classified management and operation monitoring of the operation, a user can efficiently manage the calculation photoetching operation and calculation resources, the overall efficiency of the calculation photoetching operation is improved, and a visual calculation photoetching operation visual management platform which is visual, easy to understand and excellent in experience feeling is provided for the user.

The utility model discloses a blood pressure detection lining cuff structure convenient to fix and replace. The blood pressure detection lining cuff structure comprises a cuff sleeve. An air pipe penetrates through the bottom of an inner cavity of the cuff sleeve, connecting belts are arranged at the left end and the right end of the lower side of the cuff sleeve, a first hook face hook-and-loop fastener is arranged on the upper side of the connecting belt on the right side, a first loop face hook-and-loop fastener is arranged on the lower side of the connecting belt on the left side, the first hook face hook-and-loop fastener and the first loop face hook-and-loop fastener are installed in a matched mode, and evenly-distributed vertical limiting strips are arranged on the upper side of the cuff sleeve. According to the blood pressure detection lining cuff structure convenient to fix and replace, the phenomenon of relative sliding between the lining band and the cuff sleeve and between the lining band and the skin of a patient can be avoided through the rubber strips and the hook-and-loop fasteners, and the fixing effect of the lining band is effectively improved; meanwhile, the lining belt can be accurately fixed to the designated position of the cuff sleeve through the limiting element and the bonding element, and the lining belt is convenient to replace.

The invention discloses an underground garage concrete leakage detection and repair method and method.The method comprises the steps that an infrared thermal imager is used for detecting weak points of leakage water at the junction of a side wall and a bottom plate of an underground garage, and an acoustic emission instrument is used for detecting and repairing the water leakage problem of the underground garage; the method further comprises the step of installing the waterproof layer anti-floating replacement device. An infrared thermal imaging technology and image processing equipment are used for displaying leakage weak points at the junction of the side wall and the bottom plate of the garage, positioning grouting is conducted, a water stop needle is buried in a low-temperature dark-color area and repaired by injecting anti-dispersion slurry, and a nitrogen injection machine is adopted for injection in the section with the unobvious temperature difference to expand the temperature difference, so that the effect is obvious; for the water leakage problem of the underground garage bottom plate, an electric drill is used for drilling holes, water flow is guided to a drainage well for pressure relief, an acoustic emission instrument is used for being matched with other parts to arrange measuring points, and seepage acoustic emission signal data are analyzed to determine the seepage range and path. And the waterproof layer anti-floating replacement device is matched with the anti-floating mortar fixed point, so that the leakage damage part of the bottom plate is repaired.

This utility model discloses a silicone pressing fixture, relating to the field of silicone pressing fixture technology. It includes a fixture plate, a telescopic cylinder, a pressure plate, a base plate, a pressing template, a connecting assembly, and a telescopic assembly. The telescopic cylinder is fixed to the top of the fixture plate, the pressure plate is installed on the electric telescopic end of the telescopic cylinder, the base plate is located directly below the pressure plate, the pressing template slides through the top of the base plate, the connecting assembly is mounted on the side of the pressing template, and the telescopic assembly is installed on the back of the fixture plate. This utility model, through the coordinated arrangement of the pressing template, connecting assembly, and telescopic assembly, achieves automatic ejection and resetting of the pressing template, shortening the mold changing time and facilitating rapid mold replacement. It allows for pre-positioning of the silicone. With the assistance of the telescopic assembly, the pressing template is automatically lifted to a predetermined height, facilitating precise replacement of the pressing template by a robotic arm, improving automation, and increasing the pressing efficiency of the silicone.

This invention discloses an automated marine oil spill treatment system, comprising a nearshore treatment station and an oil spill collection robot. The nearshore treatment station has an inlet and an outlet for the oil spill robot, with a conveyor channel between them. A degradation tank is located below the conveyor channel, and a storage tank is located above it. The oil spill collection robot comprises a ring-shaped body with a collection chamber fixed in the middle. The top of the collection chamber has an inlet, and the bottom has an outlet. The bottom of the storage tank has a drain outlet, and a drain cover is provided at the drain outlet. The drain outlet is positioned corresponding to the inlet. This invention provides an automated marine oil spill treatment system capable of monitoring seawater and possessing an alarm function. Simultaneously, the robot can automatically collect oil spills and return them to the nearshore treatment station for processing, and automatically replace the adsorption balls, improving efficiency. In case of unforeseen circumstances, a self-protection mechanism is triggered to ensure the robot's safety and reduce costs.

The utility model relates to the technical field of automobile steering system, and disclose a kind of protective cap sealing detection tool of automobile steering system, the inner side of four right-angle limit blocks of support top is equipped with the locating rod fixed on support;Limiting groove surrounded by four right-angle limit blocks is inserted into locating seat, locating seat is equipped with the guide hole of cooperation locating rod and is inserted, locating seat is equipped with the locating groove of cooperation pull rod ball head dust cover plug-in positioning;Detection head is screw thread connection in the bottom of gas source connecting seat;Through the detection head of hydraulic cylinder drive and make the detection head from pull rod ball head dust cover upper pull rod ball head dust cover press-fit sealing fixed in locating groove by moving down.Detachable replacement locating seat, replace into the locating seat with different size locating groove, detection head is also detachable design, by replacing different locating seat, detection head to adapt to the press-fit positioning of pull rod ball head dust cover of different size, so that the application range of this detection tool is wide.

This invention relates to the field of scanning electron microscopy, and more particularly to a sample exchange device. It includes a second plate with a first plate arranged parallel to it at intervals on its upper side. Multiple sets of guide grooves are evenly distributed inside the first plate, and each guide groove contains a slidable connecting arm. A sample stage is fixedly connected to the inner top of each connecting arm. Multiple sets of movable adjustment mechanisms are evenly distributed on the second plate, with the positions of the mechanisms corresponding to the guide grooves. The edges of the first and second plates are fixedly connected by multiple sets of evenly distributed fixed supports. This invention, with its multiple sample stages, can simultaneously accommodate multiple samples. The movable adjustment mechanisms can move the sample stages and adjust their positions, thereby achieving automatic sample exchange. This eliminates the need for manual operation, enabling rapid and accurate sample exchange, significantly reducing the time required for sample change and improving detection efficiency.

The battery replacement clamping device comprises a clamping device base, an unmanned aerial vehicle clamping assembly, a front-back moving mechanism and a battery clamping mechanism, and the unmanned aerial vehicle clamping assembly, the front-back moving mechanism and the battery clamping mechanism are fixedly connected to the clamping device base; the unmanned aerial vehicle clamping assembly is used for clamping and fixing an unmanned aerial vehicle, the front-back moving mechanism is used for achieving front-back movement of the battery clamping mechanism, and the battery clamping mechanism is used for opening and closing a battery lock and disassembling and installing a battery. The battery replacement requirement in the unmanned aerial vehicle autonomous guarantee process is met, the cruising ability of the rotor unmanned aerial vehicle is improved, and the adaptation ability of the rotor unmanned aerial vehicle in the long-cruising-ability working scene is met.

The invention relates to the technical field of software development, and particularly discloses an embedded software development method and system, and the system comprises a board card, a server and a user side. The board card is connected to the server, and an embedded chip is carried on the board card; a logic interpretation program is burnt in the embedded chip in advance; the user terminal is used for acquiring target embedded chip information needing to be updated and uploading the target embedded chip information to the server; the logic tree compiling module is used for providing a logic tree compiling environment and obtaining a compiled logic tree; uploading the compiled logic tree to a server; and the server is used for importing the compiled logic tree into the target embedded chip. According to the technical scheme, only the logic tree needs to be written or updated, the chip is imported, the logic tree does not need to be programmed, the development cost can be reduced, and the development efficiency can be improved.

This utility model discloses a quick-change mold head for forming irregular sections of automotive air ducts, relating to the field of automotive air duct processing technology. It includes a mold head body and a cavity body. A connecting ring is fixedly connected to the outside of the mold head body. An irregular cavity is formed on the outside of the cavity body. A mounting plate is fixedly connected to the outside of the cavity body. Multiple sets of connecting plates arranged in a ring are fixedly connected to the outside of the connecting ring. T-slots are formed on the outside of the connecting plates. A T-shaped locking block is slidably connected to the inner side of the T-slot. A screw is threaded onto the outside of the connecting plates. A positioning mechanism is installed between the T-shaped locking block and the mounting plate. The mold head drives the T-shaped locking block to move forward and backward by rotating the screw, which in turn drives the positioning rod to be precisely inserted and removed. With the help of a fastening nut, it quickly locks the cavity, achieving precise positioning, secure clamping, and effective sealing. This makes the replacement operation simple and quick, significantly improving the efficiency and flexibility of producing air ducts of different specifications.

The application discloses an amphibious operation vehicle plate mud breaking device, and belongs to amphibious cleaning operation mechanical equipment. The device is composed of a connecting support, a driving unit and a rotary cutting roller, wherein the connecting support is used for connecting an amphibious operation vehicle body or a working arm; the driving unit comprises a mounting base, left and right side plates, a driving motor, a chain transmission mechanism and the like; a motor mounting plate is changed in position through an adjusting screw to tension the chain; a sealing plate is quickly wrapped around a spacer to form a sealed transmission space through buckles and hasp lock rings; the rotary cutting roller is a left-right symmetrical regular polygon hollow structure, equal-distance cutting blades with staggered bending directions at the ends are mounted on the rotary cutting roller, sealing rubber sheets are arranged at both ends of the rotary cutting roller, and an inner center pipe is hermetically welded with a side sealing plate to form a sealed cavity. The application can forcibly pre-cut and break the riverbed plate mud, so that the spiral mud pump can be smoothly sucked and transported, and has the characteristics of lightweight structure, convenient maintenance, no cutting blind area and small rotary resistance.

The present invention belongs to the technical field of grinding, and specifically discloses a semiconductor raw material grinding device, comprising a lower box body, the top of the lower box body is fixedly connected to an upper box body, the top of the inner wall of the upper box body is fixedly installed with a mounting mechanism, the bottom of the mounting mechanism is provided with a plurality of driving mechanisms, the bottoms of the plurality of driving mechanisms are respectively installed with grinding wheels of different particle sizes, the outer wall of the driving mechanism is connected with a water pipe, the end of the water pipe is fixedly connected with a water spray head, and the water spray head is fixedly connected to one side of the outer wall of the driving mechanism through a rotating member, a rotating assembly is provided inside the upper box body, and accurate replacement of the grinding wheel is achieved by setting the rotating assembly, each grinding wheel is provided with an independent torque and rotation speed, which can be set according to the grinding requirements, and the actual grinding effect is better. At the same time, accurate replacement can still be achieved without limiting the specific number of grinding wheels, and the life of the motor is also effectively extended.