259results about How to "Low technical requirements" patented technology

The invention discloses a three-degree-of-freedom series-parallel hybrid humanoid robot waist structure, and relates to the technical field of robots. The defects that an existing multi-degree-of-freedom waist structure is not compact enough, limited in precision, low in rigidity and poor in stability are overcome. The robot comprises a yaw joint mechanism and a pitching-sidesway joint mechanism which are connected in series, upper limbs and legs of the robot are connected through the yaw joint mechanism and the pitching-sidesway joint mechanism, and the yaw joint mechanism can drive the upper limbs of the robot to do yaw motion; the pitching-sidesway joint mechanism comprises a movable platform, a static platform, a joint universal joint and two joint driving assemblies, the movable platform is fixedly connected with the upper limbs of the robot, the static platform is fixedly connected with the legs of the robot, the joint universal joint is connected with the movable platform and the static platform, and the two joint driving assemblies are symmetrically arranged on the left side and the right side of the joint universal joint; and the two joint driving assemblies are connected with the movable platform and the static platform correspondingly, and when the two joint driving assemblies drive the movable platform, the movable platform can do pitching motion and / or side-sway motion around the joint universal joint.

The invention provides a cross-platform low-code application development system based on a Flutter framework. Comprising a login registration module, a project management module, an interface design module, a state management module, a route management module, a team management module, a help document module, an AI page design module, a development document generation module, a hardware integration module, a code generation module, a multi-user collaborative development module, a communication module, an online simulator module, an AI generation application module and an interface management module. An asset management module, a developer forum module, an application market module and an application packaging module. The communication module supports various communication protocols and secure transmission modes, and ensures that data exchange applied to cross-platform and cross-system environments is secure and reliable. Through component dragging and graphical configuration, the low-code platform automatically analyzes configuration data to generate an App, a development document and a source code. And meanwhile, multi-person collaborative development is supported, so that the development threshold is reduced and the development speed is increased.

The invention discloses a method for locating the position of a software problem source code through a log and electronic equipment, and the method comprises the steps: obtaining log output points of target software, creating an index record for the log output points, detecting the source code position information of each log output point, analyzing the log content of each log output point based on the source code position information, extracting and generating characteristic values corresponding to the log content, constructing a log index database, receiving an actual running log, extracting the characteristic values of the log, performing matching in the log index database to determine the position of a source code corresponding to a log output point, and positioning the specific position of the source code according to a matching result. According to the method, the code performance and readability are improved, the method does not depend on code position information output in the log, the requirement for the log format is lowered, the code readability is enhanced, and the integrity of the log is improved by scanning the code and proposing suggestions for improving the log.

The invention relates to the technical field of pile foundation construction quality monitoring, in particular to a real-time monitoring device and method for a pouring interface of an ultra-long cast-in-situ bored pile. Comprising a monitoring probe mechanism, a tension cable, a control holder, a display industrial personal computer and an alarm, the monitoring probe mechanism is placed in a bored hole of the cast-in-place pile, and the tension cable is electrically connected with the monitoring probe mechanism and the display industrial personal computer; the display industrial personal computer is located on the ground, and the monitoring probe mechanism uploads collected data to the display industrial personal computer on the ground in real time through a tension cable; high-precision real-time monitoring of the pouring interface of the super-long cast-in-situ bored pile is achieved, and it is guaranteed that the position of the pouring interface is accurate; meanwhile, the situation that the monitoring probe is blocked and is difficult to recycle is avoided, and the adaptive capacity of the whole device is greatly improved; continuous measurement of different pouring states and stages is achieved, the real-time monitoring device can feed back position information of a pouring interface in real time, constructors can adjust a construction scheme in time, and the construction quality is ensured.

A personalized intelligent auricular point massager based on electrical stimulation disclosed by the present invention comprises a massager frame, a control module, an electrical stimulator unit, a Bluetooth module and a sensor module, the electrical stimulator unit, the Bluetooth module and the sensor module are all connected with the control module, and the Bluetooth module is in communication connection with a mobile terminal. The massager frame is manufactured through the 3D printing technology and is attached to the outline of the ear, the electrical stimulator units are embedded into key acupuncture points of the massager frame, a millimeter-level ear micro-model is constructed through the three-dimensional scanning technology, and then automatic and accurate recognition and positioning of the auricular points are achieved through the image processing and neural network technology; finally, the massager frame fitting the physiological curve of the ear is customized through the 3D printing technology, acupuncture point positioning is accurate, the personalized adaptability degree is high, the technical requirement for operators is lowered, and the treatment effect is good.

The invention relates to the technical field of rare earth hydrometallurgy and rare earth smelting separation, in particular to a green and efficient defluorination process for carbonate ore rare earth feed liquid. The technical problems that in the prior art, due to the fact that the fluorine content in primary liquid of an acid dissolution procedure needs to be strictly controlled, three phases can be extracted, operation of a tank body is affected, the productivity is reduced, and products are unqualified are solved. According to the technical scheme, the green and efficient fluoride removal process for the carbonate ore rare earth feed liquid comprises the following steps: step 1, modifying aluminum oxide; step 2, acid dissolution; step 3, adsorbing and removing fluorine; 4, removing fluorine by using a filter column; step 5, washing process; and step 6, regeneration. In the whole technological process, the loss of aluminum oxide is low, the aluminum oxide is regenerated and recycled, new impurities are not introduced, the introduced aluminum can be removed in the pH increasing process, the method is green and efficient, redundant technological steps are not added, and the economic benefit is remarkable.

The invention discloses an automatic detection method for three-dimensional information of a segment steel mold. The automatic detection method comprises the following steps: S1, constructing a detection device and a system; s2, establishing a movable axis coordinate system Q; S3, calibrating a coordinate system relation; s4, confirming a coordinate system transformation relation between the structured light 3D camera and the tracker; s5, the optical tracker identifies and captures the position information of the self-luminous tracker; s6, a teaching detection step: enabling the structured light 3D camera to collect 3D point cloud information of the detection area; s7, a system automatic detection step; and S8, collecting the point cloud data of all the detection areas, and converting the point cloud data into an optical tracker coordinate system to obtain global point cloud data of the segment steel mold. And according to the global point cloud data of the segment steel mold, analyzing vertex position information, line segment position information and plane position information of the detection area, and according to an analysis result, outputting a detection report of the segment steel mold. Three-dimensional information of the inner cavity of the large-size steel mold is automatically collected and detected, and field installation and maintenance are facilitated.

The invention discloses a motor-driven columnar vibrator suitable for subglacial lake drilling, and belongs to the field of polar subglacial lake drilling, an output shaft of an underwater motor rotates and drives a rotating part comprising a coupler, a cam transmission shaft and a cam to rotate synchronously with the rotating part, and the cam is a circumferential cam with a repeated curved surface; in the rotating process of the cam, the upper surface of the cam makes contact with the cam follower and pushes up a linear vibration component composed of a linear push rod, a vibration mass block, a cam follower installation frame, a spring base, a cantilever bearing and the cam follower, and in the process, a spring is compressed till the cam follower crosses the highest point of the curved surface of the upper surface of the cam; and the spring is released, so that the matching surface between the linear push rod and the frame top plate is impacted to generate vibration, and vibration force is transmitted to the frame bottom plate through the frame side plate to finish single impact. The radial size and the axial size of the vibrator structure can be saved to a great extent, so that the vibrator can be applied to small-diameter drilling.

The invention relates to the technical field of glucose detection, and discloses a method for detecting glucose in d-ribose fermentation broth, which comprises the following steps: step 1, diluting a d-ribose fermentation broth sample and adjusting the d-ribose fermentation broth sample to a predetermined pH value to form a pretreated sample; 2, removing impurities and concentrating target components through solid-phase extraction to obtain a treated sample; 3, separating the sample by using high performance liquid chromatography, setting a mobile phase, a flow rate and a chromatographic column temperature, and separating to obtain a glucose component; and 4, injecting the separated components into a mass spectrum system on line, and detecting a characteristic ion signal of glucose. The high-sensitivity and accurate detection of glucose in the d-ribose fermentation liquor can be realized by adopting a high-performance liquid chromatography and mass spectrometry combined technology. Through optimized sample pretreatment and mobile phase selection, interference of other carbohydrates on glucose detection is reduced, and accurate determination of glucose concentration is ensured.

The invention discloses an ultraviolet lithography lens and a lithography machine, and relates to the technical field of optics, and the ultraviolet lithography lens comprises a plurality of lenses which are sequentially arranged from an object side to an image side; the focal power of the first lens, the fourth lens, the fifth lens, the sixth lens, the twelfth lens, the thirteenth lens, the nineteenth lens, the twentieth lens, the twenty-first lens and the twenty-fourth lens is negative. The focal power of the second lens, the third lens, the seventh lens, the eighth lens, the ninth lens, the tenth lens, the eleventh lens, the fourteenth lens, the fifteenth lens, the sixteenth lens, the seventeenth lens, the eighteenth lens, the twenty-second lens and the twenty-third lens is positive, and the lenses are all spherical lenses. According to the technical scheme provided by the invention, the installation and adjustment difficulty and cost of the ultraviolet lithography lens can be greatly reduced while the precision is maintained.

The invention relates to the technical field of aero-engine turbine blade machining, and discloses a gas-driven abrasive particle polishing device for an inner cavity and a gas film hole of a turbine blade, the gas-driven abrasive particle polishing device comprises a box body and a clamping assembly arranged in the inner cavity of the box body and used for clamping the turbine blade, and polishing output assemblies are arranged on the two sides of the box body in a penetrating mode. The inlet end of the polishing output assembly communicates with an abrasive particle mixing assembly, the abrasive particle mixing assembly is used for feeding abrasive particles and gas into the polishing output assembly after the abrasive particles and the gas are pressurized and mixed, and the outlet end of the polishing output assembly is divided into two paths to communicate with the two sides of the turbine blade; and a collector for collecting discharged abrasive particles is arranged at the lower part of the box body. The polishing device is simple in overall structure, low in technical requirement for workers, easy and convenient to operate by the workers, single in polishing medium and low in manufacturing cost; the polishing medium is convenient to recycle without additional processing and recycling; two-way air inlet is achieved, and the polishing efficiency is high; the blade clamp is large in clamping range, suitable for installing different types of blades and easy, convenient and efficient to replace.

The utility model provides a novel ink jet cartridge, including: ink bottle cap, bottleneck cap, chip seat and ink bottle, the ink bottle is used for holding ink, the sealing plug is used for sealing the bottleneck of ink bottle, bottleneck cap is sleeved outside the sealing plug, the ink bottle cap is used for fixedly buckling the upper end of the ink bottle, the chip seat is used for holding the ink bottle, the chip seat is used for holding the ink bottle, and the chip seat is used for holding the ink bottle. The bottle opening portion of the ink bottle cap is arranged on the bottle opening cap in a sleeved mode, and the chip base is detachably installed on the ink bottle cap. The utility model has the advantages of few material accessories, low product cost and high cost performance; the product structure is simple and reasonable, and batch and automatic production is facilitated; the installation of the chip seat serves as the final installation process, the chip seat is designed to be of a structure capable of being installed and taken out, when the chip is abnormal or needs to be upgraded, the chip seat can be taken out to replace or upgrade the chip, the ink box and the chip can be reused, energy is saved, environment is protected, and operation is convenient.

The utility model relates to the technical field of soybean sprout production, in particular to hormone-free boxed soybean sprout production equipment which comprises a box body, independent sprout breeding bins are arranged on the two sides of the box body, two hinged doors are arranged on the outer sides of the sprout breeding bins, and a plurality of groups of shower nozzles are arranged on the outer surfaces of the top ends of the sprout breeding bins. A water tank is arranged at the middle end of the box body, a receipt device is arranged in the water tank, a single door is arranged on the outer side of the water tank, a controller is arranged on the outer surface of the single door, the whole production process of the automatic production device is automatically controlled and managed through the programmed controller, and complex manual operation and technical requirements are not needed. The intelligent and automatic production mode not only improves the production efficiency and accuracy, but also reduces the technical requirements on operators. The operation is simple, the production process is more convenient and efficient, and the influence and interference of human factors on production are reduced.

The invention relates to an insulator online spraying method and system based on an unmanned aerial vehicle, and the method comprises the following steps: controlling the unmanned aerial vehicle with a spray gun to be near an insulator to be sprayed, and enabling the unmanned aerial vehicle to collect the video data of the insulator to be sprayed in real time; constructing an insulator target detection model, and inputting the video data of the insulator to be sprayed into the insulator target detection model for insulator detection to obtain an insulator detection result; and an insulator target tracking model is constructed, a target insulator needing to be sprayed is selected from insulator detection results, the unmanned aerial vehicle is controlled to continuously track the target insulator through the insulator target tracking model, the unmanned aerial vehicle is kept at the optimal spraying position, and the insulator spraying task is completed.

The invention discloses a flowing type full-automatic biological particle quantitative detection processing method and device, which are characterized in that detection signals are collected, processed and analyzed in real time, the concentration of a detected substance in a sample is calculated, and the dilution process is controlled, so that the accuracy and reliability of a detection result are ensured; through automatic concentration adjustment, real-time monitoring, calculation and automatic dilution of the sample concentration are realized, and the sample concentration is ensured to be adjusted to a reasonable range required by detection; the flowing of a sample and a diluent among a sample storage area, a sample dilution area, a diluent storage area, a sample detection area and a subsequent processing module is realized through a sample feeding module, and the high efficiency and continuity of a detection process are ensured through an integrated design; after the concentration of the sample reaches the standard, the sample can be subjected to follow-up treatment, such as sorting and separation, so that fine treatment of the sample is realized; the detection can cover a variety of biological particles, including nanoparticles, cells, extracellular vesicles, bacteria, viruses and the like, and has a wide application range.

The invention relates to a method for preparing idesia oil from idesia peel, which comprises the following steps: (1) primary squeezing: performing primary squeezing on dried idesia peel, and separating to obtain primary squeezed idesia crude oil and primary squeezed cake meal; (2) infiltrating the cake meal; infiltrating the virgin cake meal by using an extraction solvent; (3) squeezing auxiliary extraction: carrying out secondary squeezing on the infiltrated cake meal obtained in the step (2) to obtain an extraction liquid; and (4) separating the leaching solution, namely separating the leaching solvent and the idesia polycarpa leaching crude oil from the leaching solution in the step (3). The idesia oil is extracted by using the idesia peel as the raw material, the idesia peel resource waste and the environmental pollution are reduced, and the oil extraction is fast and the solvent consumption is low by adopting the squeezing-assisted extraction mode.

The invention discloses a semi-automatic double-blade dicing saw for an 8-inch semiconductor wafer. The semi-automatic double-blade dicing saw comprises an equipment shell, a gantry bracket assembly, an X-axis motion control device, a vacuum workbench, a blade height measuring device, a multifunctional cutter head bracket, a dicing blade control device, a visual positioning device, a Y-axis motion control device and a Z-axis motion control device. According to the technical scheme, the semi-automatic double-blade scribing machine for the 8-inch semiconductor wafer is manufactured, through the double-blade main shaft layout of the gantry structure, compared with other single-main-shaft or double-main-shaft layout design, the scribing efficiency is effectively improved, the scribing algorithm of software is matched, and the scribing efficiency is improved. And various cutting modes such as single-blade cutting, double-blade cutting and double-blade stepped cutting can be realized. In particular, in the aspect of coordinated control of multi-blade cutting, an intelligent control algorithm is adopted, the operation process is greatly simplified, the equipment state is monitored in real time through a fault diagnosis system, and highly intelligent operation experience is provided.

The invention relates to a kubernetes cluster upgrading method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: determining a to-be-upgraded target cluster; an upgrade control component and a node problem detection component are installed in the target cluster; determining a to-be-upgraded version of the target cluster; based on the to-be-upgraded version of the target cluster, pre-checking the target cluster; the pre-check comprises problem check of cluster nodes, system component health of the target cluster and interface version compatibility check of the target cluster; and after the target cluster passes the pre-check, based on the version to be upgraded of the target cluster, acquiring a mirror image file required by the version to be upgraded of the target cluster from a mirror image warehouse, and upgrading the target cluster by using the mirror image file. By adopting the method, the cluster upgrading speed can be effectively improved, and the cost in the cluster upgrading process is reduced.

The invention discloses a high-performance 4.5-micron electrolytic copper foil additive and application thereof, and belongs to the technical field of electrolytic copper foils. The additive comprises cerium-polyacrylamide composite microspheres, a sulfur-containing brightener, a leveling agent, a wetting agent and the like, the cerium-polyacrylamide composite microspheres are inorganic-organic composite materials formed by rare earth element cerium and polyacrylamide, and the cerium-polyacrylamide composite microspheres are prepared through an in-situ polymerization method. Monomer acrylamide of polyacrylamide grows around cerium ions in situ, so that the cerium ions are fixed around a polymer chain, and a relatively stable dispersion system is formed. The 4.5-micron electrolytic copper foil prepared by adopting the additive has good surface quality and relatively high tensile strength and ductility. Particularly, the tensile strength and the elongation performance can reach 400-500 MPa and 6% or above respectively, and the production and application reliability of the 4.5-micron copper foil is greatly improved.

The invention relates to the technical field of metro station ventilation pavilion opening water retaining, in particular to metro station ventilation pavilion opening closed water retaining equipment. A metro station ventilation pavilion opening sealing water retaining device is arranged at a ventilation pavilion opening and is characterized in that a blocking door plate stacking area capable of storing blocking door plates is arranged on one side of the ventilation pavilion opening, and the metro station ventilation pavilion opening sealing water retaining device comprises a guide rail system and a carrying system; the subway station flood control and waterlogging prevention system has the remarkable advantages of being efficient and rapid in response, high in waterproof performance, optimized in structure, capable of saving space, stable and safe in long-term use, easy to operate and maintain and the like, a brand new solution is provided for flood control and waterlogging prevention of a subway station, and the safety and emergency response capacity of a subway system are effectively improved; the method has important practical value and social significance.

The invention relates to the technical field of hardware machining equipment, in particular to continuous automatic hardware cutting equipment which comprises a main bottom plate, a rail mounting frame is connected to the top of the main bottom plate, and a rail frame is connected to the top of the rail mounting frame. A trigger plate piece, a guide rod piece, a contact sensor, a spring piece, a back plate piece and a limiting bolt are arranged on the side face of the track frame. According to the continuous and automatic hardware cutting equipment, the cutting size is set by adjusting the position of the back plate, the automatic cutting and continuous cutting functions are achieved through linkage design, complex programming control is not needed, the operation requirement is lowered, the training cost is reduced, and the equipment usability and the production efficiency are improved.

The invention relates to a method for preparing a well lid from waste fibers. The method specifically comprises the following steps: cutting the waste fibers into chopped fiber sheets; an inner cavity of a well lid preparation mold is wiped clean with ethyl acetate, and after an ethyl acetate solvent is completely volatilized, the inner cavity of the mold is evenly smeared with a high-temperature release agent; weighing a certain amount of cut chopped fiber sheets, pouring the chopped fiber sheets into a mold cavity of a well lid preparation mold, detecting the content of raw material resin at the same time, and judging whether the resin needs to be supplemented or not; mold closing and curing are conducted, specifically, the mold is placed on a pressing machine to be subjected to high-temperature heat treatment, and before complete mold closing, gas in the mold needs to be exhausted so as to improve the interlayer compactness of a well lid product; after the mold is completely closed, the mold is subjected to heating, heat preservation and cooling according to a preset curing program, after the temperature is reduced to the room temperature, the mold is taken down, and after demolding treatment, the composite material well lid formed through compression molding is taken out; and testing the performance of the manhole cover according to the current standard of the manhole cover. The method is simple to operate, and the technical requirements on operators are reduced.

The invention discloses a soil remediation agent as well as a preparation process and a preparation system of the soil remediation agent. The soil remediation agent is prepared from the following raw materials: citric acid modified manioc waste, hydrotalcite-like compound, fly ash and a microbial agent, the preparation process of the soil remediation agent comprises the following steps: S1, adding the citric acid modified manioc waste, the hydrotalcite-like compound and the fly ash into preparation equipment according to a ratio; the preparation system comprises preparation equipment, the preparation equipment comprises an annular supporting seat, and a preparation cylinder is mounted on the annular supporting seat. According to the soil remediation agent, the adsorption effect on heavy metal cadmium is remarkably improved, the soil flora environment is improved through the microbial agent, plant growth is promoted, the multiple production steps of mixing, grinding, drying and the like are integrated in the same equipment, integrated production of the soil remediation agent is achieved, and the soil remediation agent is suitable for large-scale production. Therefore, the running times of raw materials among different devices are remarkably reduced, the workload of workers and the workload during production are reduced, and the production efficiency is improved.

According to the bearing shell boring and milling machining clamping mechanism and the using method thereof, the bearing shell boring and milling machining clamping mechanism comprises a tool bottom plate assembly, a self-centering tool assembly, an electric clamping jaw assembly and a limiting pressing plate assembly, and the self-centering tool assembly is installed at the center position of the tool bottom plate assembly in a liftable mode; at least three sets of electric clamping jaw assemblies are arranged and fixed to the tool bottom plate assembly in the mode that the electric clamping jaw assemblies are circumferentially and evenly distributed with the self-centering tool assembly as the circle center, and the limiting pressing plate assembly is installed on the tool bottom plate assembly in a sliding mode. Through cooperation of the self-centering tool assembly, the electric clamping jaw assembly and the limiting pressing plate assembly, the self-centering tool can adapt to most bearing shell workpieces at present, a large amount of tool cost is saved, the self-centering tool assembly, the electric clamping jaw assembly and the limiting pressing plate assembly only need to be assembled on the tool bottom plate assembly, and the tool bottom plate assembly is installed on a machine tool; and the application range is widened.

The invention discloses a method for preparing a potassium manganate solution, and belongs to the technical field of chemistry and chemical engineering. The preparation method comprises the following steps: adding a potassium permanganate solution into an alkaline solution, and stirring and reacting under the irradiation of a light source to obtain a potassium manganate solution; wherein the wavelength of the light source ranges from 365 nm to 560 nm. By accurately controlling the wavelength range of the light source, the specific reaction steps can be more effectively initiated and promoted by light excitation energy, so that the generation efficiency and the yield of potassium manganate are improved. Meanwhile, the selection of the specific wavelength can be beneficial to reducing side reactions and improving the selectivity of the reaction, so that the potassium manganate solution with higher purity is obtained, and the method has economical efficiency, practicability and environmental friendliness. The potassium manganate solution prepared by the method can be used for water treatment process experiments.

The invention discloses a small-size biological sample laser slicing device and a laser slicing method, and belongs to the technical field of biological sample preparation. The laser slicing device comprises an ultrafast laser, a laser beam motion control assembly, a lens and a sample cabin, the sample cabin is a container which is composed of a frame and a replaceable transparent plastic or glass cabin wall and provided with an opening in the upper end, a small-size biological sample is fixed in the sample cabin, a matching medium needs to be added into a living body sample, and the matching medium is matched with the sample. And performing micro-damage cutting on the sample by using Gaussian light or Bessel light. According to the invention, laser is used for cutting the sample, so that the sample is not extruded and pulled during slicing, and the sample is not stuck and curled on the cutting blade, so that the experiment and sample loss are reduced, and the experiment efficiency and success rate are improved; the slicing machine is matched with a stereoscope for use, so that the dependence of a traditional slicing machine on the eyesight of operators can be relieved.

The embodiment of the present invention discloses a flexible graphite grounding wire production line, including a feeding device, the output end of the feeding device is connected to an expansion device; the expansion device is connected to a desulfurization device; the input end of the desulfurization device is connected to the expansion device, and the output end of the desulfurization device has a first discharge port and a second discharge port; the first discharge port is connected to a front feeding device, the front feeding device is connected to a front calendering device, one side of the front calendering device is provided with a wiring device for fiber lines, and the wiring device is connected to a glue-hanging device; the second discharge port is connected to a rear feeding device, the front calendering device and the glue-hanging device are connected together to the input end of the rear feeding device, the rear feeding device is connected to a stripping device, and the output end of the stripping device is connected to a twisting and winding device. The equipment completes the expansion, calendering, compounding, slitting, twisting, and winding of raw materials at one time, and the equipment changes the current situation that flexible graphite grounding wires cannot be produced continuously and the width is too narrow, increases the utilization of energy, and reduces the use of labor.

The utility model provides a curved part surface polishing device, which relates to the technical field of part polishing, and comprises a working counter, a first electric telescopic rod is fixed in the working counter, a mounting plate is fixed at one end of the first electric telescopic rod, a first motor is fixed on the upper surface of the mounting plate, and a second electric telescopic rod is fixed on the lower surface of the mounting plate. A main shaft is fixed to the output end of the first motor and slidably connected with the working table in a penetrating mode, under the assistance of the second motor, the cylindrical part clamped and fixed by an extrusion plate rotates, the cylindrical part can be ground without arc-shaped movement of a grinding roller, manual grinding operation is replaced by machinery, and the grinding efficiency is improved. The technical requirements of workers are reduced, the machining difficulty is reduced, time and labor are saved, and the working efficiency is improved.

The invention relates to the technical field of rana nigromaculata slaughtering, in particular to a rana nigromaculata slaughtering machine. Comprising a rack, and a supporting plate, a rolling belt, a blade, a viscera removing piece, a conveying belt, a push rod, a pneumatic clamping jaw, a head removing blade and the like are arranged above the rack; the lower portion of the supporting plate is driven by a rolling motor, so that the rolling belts on the two sides rotate at the same rotating speed. The rana nigromaculata is clamped by the rolling belts on the two sides and conveyed along a straight line, belly opening and viscera removing operation is sequentially completed, then the rana nigromaculata is conveyed to the baffle through the conveying belt to be subjected to peeling and head removing, the rana nigromaculata is pushed out through the push rod after peeling and head removing are completed, and continuous slaughtering of the next rana nigromaculata is achieved circularly. The device has the advantages of short time consumption, high efficiency, low labor cost, small operation difficulty, small occupied area, simple structure, high automation degree and the like, can meet the large-scale slaughtering requirements of rana nigromaculata, and has a good application prospect.

The utility model relates to electric tool technical field, concretely to a kind of electric circular saw with laser line instrument, including support and circular saw table;Support is by four even solid connection in circular saw table bottom, and circular saw table bottom is support plate, and support column is solidly connected with pad between, and pad top is solidly connected with motor, and motor right side is solidly connected with output shaft, and output shaft right side is provided with saw blade, and motor top is solidly connected with placing plate, and placing plate right side is provided with corresponding electric saw groove, and placing plate front side is provided with sliding slot, and sliding slot is slidably connected with sliding block, and sliding block top is solidly connected with laser line instrument, the utility model has the beneficial effect that, through self-locking universal wheel, the device is conveniently moved, and the cutting reference is more obvious through the assistance of laser line instrument, and beginners can also effectively operate adjustment, reduce the requirement to operator proficiency and technology, so that more people can quickly get started, and the precise cutting reference reduces the material waste caused by error, improves overall work efficiency.