43results about How to "Easy to complete" patented technology

The invention relates to the technical field of seismic data processing, and discloses a seismic data high-resolution processing method and device and electronic equipment. The method comprises the following steps: extracting a time-varying wavelet; removing wavelets, and calculating odd and even reflection coefficients; constructing high-frequency components of the seismic data by using a deconvolution method; and a broadband reflection coefficient body is constructed, and based on the extracted odd part and even part of the seismic reflection coefficient and the inverted seismic data high-frequency component, the obtained sliding time window weight factor and the seismic data high-frequency component are combined to construct a high-resolution seismic data body. According to the technical scheme, based on the sliding time window weight factor, the resolution of the seismic data can be well improved; and the resolution ratio improvement degree is controlled according to geological requirements. According to the technical scheme, the signal-to-noise ratio of the seismic data after the resolution is properly improved is high, the signal fidelity is high, geological tasks can be well completed, and the well seismic calibration effect of thin interbed reservoir prediction is good.

This utility model relates to the field of irrigation equipment and discloses an irrigation device for seedling planting, including a base. A swing rod is hinged to the top of the outer surface of the base. A sliding block is slidably connected to the inner surface of the swing rod. A column is fixedly connected to the rear part of the outer surface of the sliding block. A rod body is hinged to the top of the outer surface of the base. A groove is formed on the front of the outer surface of the rod body, and the rear part of the outer surface of the rod body is slidably connected to the inner surface of the groove. A threaded rod is rotatably connected to the inner surface of the swing rod. In this utility model, through the cooperation of components such as the knob, threaded rod, threaded sleeve, sliding block, and column, the operator can adjust the position of the sliding block by rotating the knob, thereby adjusting the traction point of the rod body, to flexibly control the swing rate of the nozzle, based on the size of the seedling planting area and the water requirements of the seedlings at different growth stages. This meets the irrigation needs of different planting scenarios.

The utility model discloses a polypropylene raw material storage device which comprises a first tank body and a second tank body, a supporting frame is installed on the lower portion of the first tank body, a concentric-square-shaped groove is formed in the opening end of the first tank body, a concave frame is installed on the lower portion of the second tank body, and a concentric-square-shaped inserting plate is installed at the opening end of the second tank body. A feeding pipe and a guide cylinder fixedly penetrate through the far-away surfaces of the first tank body and the second tank body, a conical block is installed on the side wall of the supporting frame, concave seats are installed on the front end face and the rear end face of the interior of a concave frame, guide rollers are installed in the two sets of concave seats through bearings, a through hole is formed in the inner wall of the concave frame, and a through hole is formed in the inner wall of the concave frame. And a mounting screw rod is mounted on the side wall of the conical block. The polypropylene raw material storage device has the advantages that the supporting frame and the concave frame are adopted, the supporting frame and the concave frame are arranged, a guiding structure is arranged, splicing of a tank body structure can be completed conveniently in a labor-saving mode, and convenience is brought to installation of the polypropylene raw material storage device.

An experimental platform for implantable brain-computer interface of limited movement, comprising: a cooperative control module, which extracts the brain neuron signals of a limited rat through a microelectrode, pre-processes and extracts features of the neuron signals, analyzes and processes the movement information contained therein, converts the movement information into appropriate control instructions, and delivers the control instructions from Raspberry Pi to Arduino to control the corresponding actions of a machine rat made by the limited rat, so as to realize the movement control and sensing feedback between the limited rat and the machine rat; and an external control module, which is installed on the machine rat, and is used for carrying out epidural spinal cord electrical stimulation on the limited rat with partial movement function after incomplete spinal cord injury and combining with external equipment for rehabilitation training. The application can analyze and record the neuron signals of specific regions when the limited rat performs actions, which is helpful for in-depth analysis of the neuron activity characteristics and regulation mechanism of the limited rat.

The application belongs to the technical field of commercial display equipment, and discloses a supermarket flower shop display stand, which comprises a stand column, the four sides of the stand column are fixed with display stands, adjacent display stands are connected with placing seats, and the top surface of the placing seat is provided with an extension platform; a ladder platform is arranged in the display stand, the surface of the ladder platform is paved with a water absorption cloth, and a conveying pipe with discharge holes is horizontally arranged above the water absorption cloth; an installation groove is arranged in the lower part of the display stand, a water storage tank, an atomizer and a pressure water pump are arranged in the groove, the atomizer is connected with the water storage tank through a connecting pipe, and the output end is connected with the conveying pipe; the surface of the extension platform and the ladder platform is inlaid with a pressure sensor, the placing state of goods can be monitored, and a reminder can be sent to a management terminal when goods are not replenished in time. The supermarket flower shop display stand has the functions of integrated automatic atomization and moisture retention, reduces the artificial maintenance cost, can receive condensed water to avoid dripping, and has a four-side display layout which is suitable for the supermarket scene, matched lamp strips which can improve the display effect, and high practicability.

The utility model relates to the technical field of electronic screens, and discloses an electronic auxiliary identification screen structure which comprises a clamp assembly, a mechanical arm assembly arranged at the upper end of a support of the clamp assembly in a jacking mode and an electronic screen assembly arranged at the top end of a support of the mechanical arm assembly in a jacking mode. On the basis of mechanical butt clamping of the clamp assembly, the electronic screen structure is installed beside a medical bed frame, then the electronic screen assembly is moved to the front of a patient on the basis of multi-linkage position correction adjustment of the mechanical arm assembly, guiding indication information is input into the electronic screen assembly in advance, guiding information is provided for the patient in an electronic guiding mode, and therefore the guiding effect is achieved. The patient is prompted to blink or the fingers are used as action signals to assist the patient in expressing the conditions of the patient, so that medical staff can judge the physical conditions of the patient conveniently, the guiding efficiency is higher while the flexible operation and use performance is achieved, and the auxiliary guiding work of the patient can be completed rapidly and conveniently.

The utility model discloses end socket stamping equipment convenient to demould. The end socket stamping equipment comprises a rack; the moving table is arranged on the rack in a manner of moving up and down; the demolding ring is connected to the lower surface of the moving table through a plurality of connecting columns; the punching head hydraulic cylinder is arranged on the moving table; the punching head is arranged at the telescopic end of the punching head hydraulic cylinder; and the diameter of the punching head is matched with the inner diameter of the demolding ring, so that the punching head can just penetrate through the demolding ring when moving up and down. When the stamping head moves upwards, the end socket abuts against the demolding ring, the end socket is separated from the stamping head through the extrusion force of the demolding ring, and demolding can be conveniently and efficiently completed.

The utility model discloses a high-power direct-current load device for testing. A plurality of fans and temperature sensors are fixed at the lower end of a lowermost transverse support frame; a row of a plurality of load resistors are respectively fixed on each row of transverse support frames on the upper side; the anode output end of the terminal strip is connected in series with the current transformer and then is connected with the anode input terminal of the device; the cathode input terminal of the device is connected with the cathode output end of the terminal strip; the voltage transformer is connected in parallel with the positive and negative input terminals of the device; the signal output end of the voltage transformer and the signal output end of the current transformer are connected to the signal input end of the electric quantity information display module. During use, after the load resistors are connected in series and in parallel through the connecting copper bars, the two ends of the equivalent resistor are connected to the positive input terminal and the negative input terminal of the device through the connecting copper bars. According to the utility model, the series-parallel mode of the load resistors and the number of the input resistors can be rapidly replaced, so that light load test, rated load test and overload test items of the urban rail transit rectifier unit can be conveniently and rapidly completed.

The utility model discloses a hip pushing training device, which relates to the field of fitness equipment and adopts the technical scheme that the hip pushing training device comprises a main supporting unit serving as a fixed supporting structure of the training device; the back supporting unit is rotationally connected with the main supporting unit and can support the back of the user; the back supporting unit comprises a back frame rotationally connected with the main supporting unit; the back supporting piece is arranged on the side, facing the user, of the back frame, and the back supporting piece is made of an elastic material and makes contact with the back of the human body. The hip pushing device has the advantages that the structure of the scheme provides good movement guide for hip pushing movement, and by combining the back frame and the hip supporting frame, a user can better complete the hip pushing movement under the condition that the user obtains effective supporting. By means of the structural combination of the scheme, when a user does hip pushing exercise, the shanks and the thighs are close to the right angle in the hip pushing training process, and the better training effect is provided for the target hip and hip muscle groups.

The present invention provides a video-oriented temporal action detection method to solve the problem that the duration of action instances in actual data varies greatly. The present invention adopts the TAPP method to use the attention mechanism to focus on the distinctive part of the proposal and suppress the influence of the background on the proposal features; then constructs a temporal pyramid structure to convert a proposal feature sequence of any length into multiple fixed-length sequences without losing time information, and designs a multi-scale time function, which is applied to the temporal pyramid to generate the final proposal features, and constructs a temporal action proposal generation model and an action proposal classification model based on the TAPP method, which can effectively process temporal action proposals of indefinite length, thereby better completing the temporal action detection task in video data.

The invention belongs to the technical field of artificial intelligence and finance, is applied to the field of smart cities, and relates to an online-based vehicle loss assessment method, which comprises the following steps: acquiring report information which comprises vehicle information of a target vehicle, position information and time information of a traffic accident, acquiring video information based on the position information and the time information, and sending the video information to the target vehicle; and analyzing the video information according to the vehicle information to obtain collision key information, and performing risk assessment on the collision key information and the vehicle information in a preset model to obtain a vehicle loss assessment result. The invention further provides a vehicle loss assessment device, computer equipment and a storage medium. In addition, the invention also relates to a block chain technology, and the case report information of the user can be stored in a block chain. According to the invention, automatic claim settlement and responsibility determination are realized, so that the user can finish report and vehicle loss assessment processes more efficiently and conveniently, the vehicle claim settlement efficiency is improved, the waiting time of the user is reduced, and the customer experience is greatly improved.

The invention relates to the technical field of welding devices, in particular to an assembly type building steel structure welding device. The fabricated building steel structure welding device comprises a base and an angle adjusting mechanism. The angle adjusting mechanism comprises a first adjusting rod and a second adjusting rod. And the angle between the second adjusting rod and the first adjusting rod is adjustable, and the angle between the first adjusting rod and the base is adjustable, so that various different working environments and requirements can be easily adapted, and the application range is wider. The invention provides a fabricated building steel structure welding device to solve the problems that when a steel structure is positioned through an existing welding device, only the angle between two planes can be guaranteed, the spatial position among multiple planes cannot be guaranteed, repeated manual adjustment is needed, and operation is tedious.

The invention provides a tower crane control method capable of realizing adaptive view angle direction change. The tower crane control method comprises the following steps: establishing a unified coordinate system based on sensor and GPS differential positioning; determining advancing, retreating, leftward and rightward directions of the lifting hook according to the position of a ground operator; the forward, backward, leftward and rightward movement directions are decomposed into the movement direction of the luffing mechanism and the movement direction of the rotating mechanism; calculating the speed of a luffing mechanism and the speed of a rotating mechanism after decomposition; and transmitting the speed of the luffing mechanism and the speed of the rotating mechanism to motor motion control equipment. According to the invention, ground personnel can more intuitively control the movement direction of the lifting hook of the tower crane conveniently, and the non-intuitiveness that the ground personnel need to control the movement of the lifting hook in the view angle direction of a tower crane driver is avoided.

The invention provides steam turbine rotor automatic milling equipment and method, and mainly relates to the field of steam turbine rotor milling. Automatic milling equipment for a steam turbine rotor comprises a base, machine bases are arranged at the two ends of the base, clamping mechanisms are rotationally arranged on the machine bases, parallel sliding rails and servo transverse moving mechanisms are arranged on at least one side of the base, transverse moving seats are arranged on the parallel sliding rails, and groove milling machine heads are arranged on the transverse moving seats. A bottom sliding rail parallel to the parallel sliding rail and a bottom transverse moving mechanism are arranged on the base, a supporting seat is arranged on the bottom sliding rail, an adjusting cylinder used for driving an adjusting seat is arranged on the supporting seat, a vertical sliding rail and a lifting cylinder are arranged on the adjusting seat, a lifting seat is arranged on the vertical sliding rail in a sliding mode, and the lifting cylinder is used for jacking the lifting seat. And a V-shaped groove is formed in the top of the lifting seat. The method has the beneficial effects that the unbalance amount caused by the gravity of the steam turbine rotor can be counteracted, and the milling groove machining precision of the rotor impeller is improved.

The utility model belongs to the technical field of welding clamps, and particularly relates to a case waterproof panel welding clamp jig which comprises a supporting rack, a positioning mechanism is arranged on the top of the supporting rack, a corner limiting assembly is arranged on the inner side of the positioning mechanism, and a frame limiting assembly is arranged below the positioning mechanism. The positioning mechanism comprises a positioning frame used for placing a to-be-welded panel; each corner limiting assembly comprises a center base, the inner side of the top of the center base is movably connected with a downward pressing base, the four corners of each downward pressing base are rotationally connected with pressing pieces, the tops of the outer sides of the pressing pieces are fixedly connected with pressing claws, the pressing claws are arranged to be in a step shape, one ends of the pressing pieces are rotationally connected with foot bases, and the foot bases are connected to the top table top of the supporting rack through screws. According to the case waterproof panel welding fixture jig, the positioning precision and the frame fixing capacity in the welding process can be remarkably improved, and the welding efficiency and the operation convenience can be effectively improved through the innovative design of the case waterproof panel welding fixture jig.

This invention provides an aortic pre-fenestration branch guidewire guidance system, comprising a central catheter, a capture ring, and a sliding cannula. The capture ring is connected to the outer wall of the central catheter. The sliding cannula is coaxially sleeved on the outside of the central catheter and can slide along the axial direction of the central catheter. When the sliding cannula moves proximally, the capture ring is released from the constraint of the sliding cannula and unfolds radially outward of the central catheter, thereby forming a capture opening that can accommodate the target guidewire. When the sliding cannula moves distally, the sliding cannula radially compresses the capture ring in its unfolded state, forcing the capture ring to undergo radial compression deformation. The radial compression deformation of the capture ring reduces the cross-sectional area of ​​the portion surrounding the target guidewire, thereby clamping the target guidewire and improving the success rate.

The utility model relates to the technical field of high-voltage distribution box welding equipment, in particular to a high-voltage distribution box welding tool. According to the technical scheme, the high-voltage distribution box welding device comprises a welding table and further comprises a rotating mechanism installed on the welding table and used for allowing welding personnel to place a high-voltage distribution box and rapidly adjust the position; and the treading and pressing mechanism is arranged at the bottom of the welding table and used for clamping the adjusted rotating mechanism. Through cooperation of the rotating disc, the pedal, the welding table, the treading and pressing mechanism, the rotating mechanism and other structures, the high-voltage distribution box placed on the rotating disc is very easy to rotate, the time of a welding worker for adjusting the position of the box body is saved, and the working efficiency is improved. And meanwhile, the resistance of rotating the box body is reduced, the fatigue feeling of welding workers can be relieved, and operation is easier and more comfortable. And a more convenient and comfortable working environment is provided, welding workers can concentrate on completing the welding task, and the working quality is improved.

The utility model discloses an unmanned aerial vehicle for agriculture and forestry environment monitoring, and relates to the technical field of unmanned aerial vehicles. The unmanned aerial vehicle comprises an unmanned aerial vehicle mounting base, a mounting shell is mounted at the top end of the unmanned aerial vehicle mounting base, a fixing support is mounted in the mounting shell, a fixing plate is fixedly connected to the middle of the fixing support, and a guide sliding rail is arranged at the top end of the fixing plate; the outer wall of the fixed support is slidably connected with a plurality of moving blocks, the top end of each moving block is rotatably connected with a connecting rod, the adjacent ends of the connecting rods are rotatably connected, the ends, close to the fixed plate, of the two connecting rods are slidably connected with the top end of the fixed plate through guide sliding rails, and the bottom end of each moving block is connected with a cooling fin. An electric motor is mounted on one side of the fixed bracket; according to the unmanned aerial vehicle, when the unmanned aerial vehicle is patrolled in different flight states through the adjusting assembly, the contact area between the cooling fins and air is reasonably switched, and the cooling efficiency is improved.

The utility model relates to a kind of multifunctional base for welding robot, belong to multifunctional base technical field, including base frame, the buffer piece is equipped on the base frame, the top wall of the inner chamber of base frame is equipped with adjusting assembly, the inside of base frame is equipped with lifting assembly, the adjusting assembly includes motor fixed in the top wall of the inner chamber of base frame, the upper surface of base frame is rotatably connected with rotating rod by bearing, the outside of motor output shaft rotates and is fixedly connected with the bottom end of rotating rod and penetrates base frame, the top end of rotating rod is fixed with carousel.This multifunctional base for welding robot, through the motor drive carousel rotation of adjusting assembly, the angle adjustment of welding robot in horizontal direction can be realized, so that welding robot can be quickly adjusted according to different welding position and angle requirement, improve the flexibility and adaptability of welding robot, can better complete various complex welding tasks.

This invention relates to the field of eccentricity adjustment, specifically to an eccentricity adjustment structure comprising a mounting frame, an adjusting seat, and an eccentricity adjustment device. The eccentricity adjustment device includes a positioning center wheel, an eccentricity adjustment bracket, an adjusting member, and an eccentricity adjustment assembly that drives the adjusting member. The positioning center wheel is fixedly disposed in the middle of the mounting frame. The adjusting member includes a first adjusting member and a second adjusting member. One end of the first adjusting member is connected to a first adjusting seat, and the other end of the first adjusting member is connected to the eccentricity adjustment bracket via the positioning center wheel. One end of the second adjusting member is connected to a second adjusting seat, and the other end of the second adjusting member is connected to the eccentricity adjustment bracket via the positioning center wheel. This eccentricity adjustment structure can be used for machining eccentric or coaxial workpieces, accurately determining the eccentricity and thus establishing the initial machining positioning datum. Even during subsequent machining processes, the machining positioning datum remains accurate, facilitating the completion of eccentric or coaxial workpieces using CNC machine tools.

The utility model discloses a kind of rotary open type profile die upper die device, upper die stop block and upper die connecting block are fixed in the bottom of upper die plate both sides, a through hole is equipped in sliding stop block, bolt I is connected with the front side of upper die stop block by passing through through hole;In the oblique lower side of through hole, a threaded hole is provided in sliding stop block, the end of bolt II is threadedly connected in the threaded hole;Fixed shaft is threadedly connected in the front side of upper die stop block;Upper die stop block is a rectangular block, the side of rectangular block is equipped with protruding step portion;The horizontal portion of upper die connecting block is installed with a shaft sleeve, shaft sleeve can rotate and slide in the inner hole of upper die connecting block, bolt is cooperatively connected in shaft sleeve;The lower side of upper die connecting block horizontal portion is provided with an upper die, one end of upper die is fixed below upper die connecting block by bolt, the other end of upper die is attached to the step portion of upper die stop block, sliding stop block fixes the end of upper die.The utility model can effectively realize simple, convenient, efficient stamping non-standard square steel.

This invention provides a deep learning-based method for multi-target pedestrian tracking, relating to the field of computer vision technology. The method includes: S1 acquiring video data, extracting frames from the video data to convert them into image frames, and preprocessing the image frames; S2 using an improved YOLOv5-s model to detect pedestrian targets in the image frames, obtaining the pedestrian targets; S3 using an improved Strong SORT model to track the pedestrian targets in each frame, assigning an ID to each tracked pedestrian, and generating pedestrian tracking results. This invention can accurately locate each pedestrian in a video and track their trajectory.

This utility model belongs to the field of engineering machinery, specifically disclosing an automatic cutting depth device for a mining milling machine. It includes a pull rope sensor, a rotor frame side plate, a pull rope, an electrical control box, a milling rotor, and a control system. The pull rope sensor is installed on the milling machine body. One end of the pull rope is connected to the sensor, and the other end is connected to the outer surface of the rotor frame side plate. The milling rotor is connected to the inner side of the rotor frame side plate. The operation of the milling rotor causes the rotor frame side plate to move in the opposite direction. The pull rope is perpendicular to the ground. The pull rope sensor's wiring port is connected to the electrical control box via a communication cable. This device measures the upward movement distance of the rotor frame side plate using the pull rope sensor to obtain the distance the milling rotor penetrates into the ground after milling. This distance information is then fed back to the electrical control box via the sensor. The control system then controls the milling depth of the milling rotor, thereby achieving cutting depth control of the milling machine and improving milling accuracy.

The invention discloses a safety fixing device for an overhead line lead. The safety fixing device comprises a first insulating rod, a second insulating rod and a wire clamping assembly, the first insulating rod and the second insulating rod are perpendicular to each other; one end of the first insulating rod is connected with the middle part of the second insulating rod; the wire clamping assembly comprises a first wire clamping assembly, a second wire clamping assembly and a third wire clamping assembly; one end of the second insulating rod is provided with a first wire clamping assembly, and the other end is provided with a third wire clamping assembly; the other end of the first insulating rod is provided with a second wire clamping assembly. According to the invention, the clamping point can be freely moved and fixed, the distance between wires can be adjusted so as to facilitate the installation of the wire clamp, the live-line lead disconnection and connection work can be rapidly and conveniently completed, the problems of difficult operation and the like are effectively solved, the potential safety hazards of induced electricity and interphase short circuit are eliminated, and the labor intensity is reduced.

This invention relates to a mold for manufacturing molded fiber products. The mold (11) includes a porous product surface (23) formed by additive manufacturing. The product surface (23) is arranged as a double-layer structure (40) comprising two layers (41, 42). A cavity (43) exists between the two layers (41, 42), wherein the first layer (41) has porosity from the cavity (43) to the product surface (23). The second layer (42) has perforations isolated from the cavity (43) and extends from the product surface (23) through the double-layer structure (40).

This invention discloses a robotic arm localization method based on language models and 3D point clouds, comprising the following steps: acquiring images of human-object interaction; expanding the object's 3D point cloud dataset based on Gaussian splash and diffusion models, and adding question-and-answer text information; encoding the object's 3D point cloud to obtain 3D point cloud feature vectors; acquiring text feature vectors; aligning the dimensions of the 3D point cloud feature vectors and text feature vectors; combining them to obtain feature vectors; obtaining the hidden layer of the current feature vector; extracting the hidden layer of the last layer of a set term; mapping the dimensions of the hidden layer back to the dimensions of the 3D point cloud feature vectors to obtain feature vectors used to constrain point cloud decoding; inputting the 3D point cloud feature vectors into a multi-layer point cloud decoder for decoding; converting the feature vectors output by the point cloud decoder into a heatmap of the point cloud to obtain the corresponding action region. This invention can solve the problem of insufficient generalization ability of existing models and improve the adaptability to dynamic environments and tasks.

The utility model discloses a grinding machine for processing metal buttons, which comprises a workbench, and the top of the workbench is fixedly connected with an operation box. According to the utility model, the innovative structural design is adopted, and the functions of dust removal, adsorption, fixation and the like are organically combined. Through cooperative operation of an operation box, a water pump, a fan, a dust removal plate and an activated carbon adsorption plate, metal chippings and dust generated in the polishing process can be effectively collected and treated, pollution to the working environment is greatly reduced, dust is prevented from harming the body health of operators, meanwhile, chippings are prevented from entering a transmission part of the polishing machine to aggravate abrasion, and the service life of equipment is prolonged; and by means of a quick positioning structure formed by an electric cylinder and a clamping plate and the humanized operation design formed by a baffle, an opening and a sealing ring, an operator can conveniently and efficiently complete metal button polishing work, double improvement of the protection performance and use convenience is achieved, and the device has the advantages of being convenient to use and having the protection effect on the environment and the operator.

The application relates to the technical field of star car, and discloses a four-wheel high-speed star car and a working method thereof. The four-wheel high-speed star car comprises a car body, a car body differential mechanism located at the front part of the car body and fixed between the car body, a front rocker arm mode conversion mechanism located at the front end of the car body and connected to a rotating shaft one of the car body differential mechanism, a rear rocker arm terrain adaptation mechanism located at the rear part of the car body and connected to a rotating shaft two of the car body differential mechanism, and a wheel set comprising a front wheel set and a rear wheel set, wherein the front wheel set is installed on the front rocker arm, the rear wheel set is installed on the rear rocker arm, and the rear rocker arm is extended out of the car body through a car body through hole three formed at the rear end of the car body. The application has good terrain adaptability and buffering and damping performance, can adapt to high-speed driving on a planetary surface, and can actively control the car body posture and switch various working modes through the combination of regulation and control modes, so that new or special detection tasks can be better completed.

This utility model belongs to the field of biomedical technology, and in particular to a rotary slicing fixture for pharmaceutical experiments. It includes a worktable with a rotating shaft movably mounted on the top. Multiple baffles are fixedly mounted on the outside of the rotating shaft, and a placement plate is fixedly mounted on the top of the rotating shaft. A clamping structure is provided inside the placement plate. This utility model, by incorporating components such as threaded rods, rectangular plates, insertion holes, sealing rings, arc-shaped plates, insert rods, and limiting rings, allows for the selection of clamping heads based on the shape of the material to be sliced. If the material to be sliced ​​is circular and lacks a flat surface, the arc-shaped plate is mounted on the rectangular plate, and two insert rods are inserted into the two insertion holes. The insert rods drive the limiting ring. When the limiting ring contacts and passes the sealing ring, the sealing ring locks the limiting ring, thus fixing the arc-shaped plate. The detachable clamping head can be changed according to the shape of the material, thereby adapting to clamping materials of different shapes and preventing insecure clamping.

This invention discloses a method, system, device, and medium for avoiding singularities in a robotic arm under different operational requirements. The method includes: determining the transformation matrix between the joint coordinate system and the Cartesian coordinate system based on the kinematic model of the robotic arm; marking all operational areas on the Cartesian motion trajectory of the robotic arm; identifying all singularities from all operational areas based on several motion information associated with several interpolation points in each operational area and the transformation matrix; and assigning corresponding singularity avoidance strategies to all singularities based on a singularity avoidance evaluation parameter library associated with all operational areas. This invention can accelerate the singularity detection speed by automatically adjusting the detection step size, and corrects the trajectory of all singularities within different operational areas by assigning singularity avoidance strategies to different operational areas containing singularities, thereby reducing the damage caused by the singularity of the robotic arm while better completing the task.