285results about How to "Reduced commissioning time" patented technology

The invention provides an abnormal sound test bench capable of rapidly switching modes. The abnormal sound test bench comprises a base, a first test unit, a second test unit and a power device arranged between the first test unit and the second test unit. The power device comprises two vibration exciters arranged in the y direction. The first test unit can make a to-be-tested part generate single-degree-of-freedom vibration in x, y and z directions, and the second test unit can make the part generate pitching and side-tipping composite-degree-of-freedom vibration. The first test unit and the second test unit can be respectively driven by the same group of power device, only the tested part needs to be transferred in a short distance during mode conversion, the same group of power device is used in the two test modes, and the test efficiency is greatly improved during the test of the rear half part. The relevant parameters between the tested part and the power device are acquired in the first half part, so that the debugging time between the part and the power device is greatly saved, and the testing efficiency is improved.

The invention provides a frame-mounted miniaturized high-speed ground penetrating radar jitter compensation method and system, and relates to the technical field of ground penetrating radar detection.The method comprises the steps that a data processor receives tilt attitude information and calculates a frame tilt angle, and a compensation processor receives the frame tilt angle and calculates the frame tilt angle; a compensation processor performs road condition-based adaptive noise and angle threshold adjustment and multi-model switching Kalman filtering processing on the vehicle frame inclination angle information, predicts attitude information of a vehicle frame platform at the next moment and updates an angle threshold; meanwhile, the compensation processor generates a compensation motion command according to the predicted data and sends the compensation motion command to a displacement controller of the mechanical compensation device; the distance compensation algorithm is used for processing to obtain motion information, and the motion information is transmitted to the mechanical compensation device to execute compensation action. According to the invention, Kalman filtering processing, an adaptive noise and angle threshold adjustment mechanism and a linear and nonlinear compensation switching mechanism are used for prediction updating, adaptive adjustment is carried out according to road surface changes, and the accuracy of data acquisition is improved.

The invention discloses an IsaacSim-based humanoid robot simulation method for a steel inspection and test laboratory, and relates to the technical field of humanoid robot simulation methods, and the IsaacSim-based humanoid robot simulation method for the steel inspection and test laboratory comprises the following steps: step 1, carrying out refined modeling on environmental elements of the steel inspection and test laboratory; step 2, integrating a humanoid robot model in an IsaacSim simulation environment; 3, configuring workflows of different tasks of the robot in the simulation scene; 4, collecting and analyzing data when the robot executes the task in the virtual environment; and step 5, feeding back an adjustment algorithm or a control parameter based on a simulation result so as to improve the adaptability and the stability of the robot in a complex laboratory environment. Through the method, a user can perform comprehensive algorithm verification in a simulation environment, including a series of key algorithms such as a control algorithm, a visual identification algorithm and a motion planning algorithm of the humanoid robot, so that the stability and effectiveness of the humanoid robot in an actual environment are ensured.

The invention discloses a dry-type transformer testing device, and relates to the technical field of testing devices, the dry-type transformer testing device comprises a workbench and a transformer main body, the transformer main body is installed on the workbench, the transformer main body is provided with a wiring terminal, and one side of the workbench is provided with a testing assembly for testing the transformer main body. According to the dry-type transformer testing device, when the brush is in contact with the outer wall of the wiring terminal and rotates, dirt, dust or other impurities on the outer wall of the wiring terminal can be effectively cleared away, through the clearing work, the insulation resistance tester body can check and measure the wiring terminal more accurately, and the testing efficiency of the dry-type transformer is improved. Therefore, potential connection problems, corrosion or abrasion and the like can be found easily, misjudgment or missing detection is avoided, and after interference factors of dirt and impurities are eliminated, the accuracy and reliability of a detection result can be improved.

The invention provides an electromagnetic compatibility test data processing method and system based on the Internet of Things, and relates to the technical field of electromagnetic compatibility test data processing. The method comprises the following steps: acquiring electromagnetic compatibility test data of the electromagnetic range; analyzing electromagnetic compatibility test data of the electromagnetic range; and the electromagnetic compatibility test accuracy of the electromagnetic range is comprehensively analyzed, optimized and adjusted. By collecting and processing electromagnetic compatibility test data of the electromagnetic range, the electromagnetic compatibility test data of the electromagnetic range is analyzed, the electromagnetic compatibility test accuracy evaluation index of the electromagnetic range is obtained through comprehensive analysis, and the electromagnetic compatibility test accuracy of the electromagnetic range is optimized and adjusted; the accuracy of the electromagnetic compatibility test data processing method based on the Internet of Things is improved, and the problem that the accuracy of the electromagnetic compatibility test data processing method based on the Internet of Things is insufficient in the prior art is solved.

The invention belongs to the technical field of welding, and discloses a wire feeding mechanism control method of a collaborative welding machine, which comprises the following steps: configuring parameters of a welding process, determining laser power, and obtaining wire breaking power based on the laser power; energy needed for melting the welding wire is determined, and the wire breaking delay time m2 is obtained based on the energy needed for melting the welding wire and the wire breaking power; the welding machine sends out a shutdown instruction, the welding machine takes the moment when the shutdown instruction is obtained as the first reference moment, the wire breaking power is kept for the time m2, and the laser power of the welding machine is in a falling edge trend at the moment m2. The invention further discloses a welding system.

The invention discloses a multimedia task scheduling method based on a table look-up method. The method is applied to a multimedia board card scheduling system, and comprises the following steps of: querying a chip set suitable matching table corresponding to layout, searching all coding and decoding chip combinations capable of meeting a target conference, querying a chip combination table, and determining a coding and decoding chip combination scheme corresponding to each coding and decoding chip combination; traversing all the coding and decoding chips according to the coding and decoding conditions of each coding and decoding chip of each coding and decoding chip combination given by the chip coding and decoding path table, and determining the coding and decoding chip combination with the highest cost performance; and sending a corresponding instruction to the coding and decoding chip in the coding and decoding chip combination with the highest cost performance according to the output layout of each coding and decoding chip given by the chip decoding output layout table. The method does not need to depend on manpower, table look-up scheduling can be automatically carried out according to the actual conference layout of the target conference, coding and decoding resource allocation is dynamically carried out, the resource allocation efficiency is improved, and resources are fully and reasonably utilized.

The invention provides a battery shell defect detection system, method and equipment and a medium. The system comprises a movable clamping jig, a camera and a processor. The method comprises the following steps: selecting a target jig from an internal inspection jig and an external inspection jig according to models; the clamping width of the target jig is adjusted according to the model; selecting a target detection station and a target detection model according to the model; feeding the battery shell to a target clamp, enabling the target clamp to move to a target detection station, and carrying out defect detection on the battery shell according to the target detection model to obtain a defect detection result; the clamping jig and the detection model can be rapidly switched according to the detection modes of different types of battery shells, and the detection efficiency is improved.

The invention provides a self-checking and self-correcting device of an electronic endoscope system and the electronic endoscope system. The self-checking and self-correcting device is mechanically connected to an image processor through an anti-lost device; the self-checking and self-correcting device comprises a shell, a circuit board, a plug and an image sensing module, the circuit board is arranged in the shell, and the plug is arranged on the outer side of the shell, electrically connected with the circuit board and used for being connected with an endoscope socket on an image processor in a pluggable mode; the image sensing module is electrically connected with the circuit board and is used for acquiring image information. Before an operation, the self-checking and self-correcting device replaces a disposable endoscope to be installed on the image processor and is used for debugging an endoscope system, the self-checking and self-correcting device is pulled out after debugging is completed, then a disposable electronic endoscope is installed, the disposable electronic endoscope is saved, and unnecessary waste is avoided; and the debugging time is greatly saved, so that the time efficiency of an operation is ensured.

The invention provides an electronic endoscope system with a self-checking and self-correcting device, which comprises an image processor, a display and a self-checking and self-correcting device, and is characterized in that the image processor is provided with an endoscope socket; the self-checking and self-correcting device comprises a shell, a circuit board, a plug electrically connected with the circuit board and an image sensing module, and the plug is in pluggable connection with an endoscope socket on the image processor; the image sensing module is electrically connected with the circuit board and used for acquiring image information, and the image processor is used for processing the received image information acquired by the image sensing module and displaying the image information through the display. Before an operation, the self-checking and self-correcting device replaces a disposable endoscope to be installed on the image processor and is used for debugging an endoscope system, the self-checking and self-correcting device is pulled out after debugging is completed, then a disposable electronic endoscope is installed, the disposable electronic endoscope is saved, and unnecessary waste is avoided; and the debugging time is greatly saved, so that the time efficiency of an operation is ensured.

The invention belongs to the technical field of robots, and particularly relates to a right-angle turning cable-driven sliding rail system which comprises a walking guide rail and a robot body. The walking guide rail is fixedly installed on a truss of a building platform and composed of a plurality of pieces of I-shaped steel, and a track of a nine-square structure is formed. The robot body moves in the shape of a Chinese character'kou 'in eight grids outside the nine-square grid, rail transfer assemblies are arranged at the rail intersection positions of the walking guide rails, and the robot body turns in a right-angle mode through the rail transfer assemblies. The rail changing assembly comprises a direction changing guide rail and an annular guide rail. By arranging the walking guide rail, the robot body, the rail transfer assembly and other structures, the robot body can turn at a right angle, the robot body can conveniently move in a large-range working area in a turning mode, the working efficiency and operation safety are improved, in addition, the operation coverage rate is increased, and the working efficiency is improved. And safety accidents easily caused by long-time operation of personnel entering the site are reduced.

The invention discloses a common-view-field-free multi-target calibration method suitable for a robot scene, and the method comprises the following steps: constructing a robot tail end coordinate system, a virtual base coordinate system, a calibration plate coordinate system, and a camera coordinate system; obtaining a conversion relation from the calibration plate to the camera, a conversion relation from the camera to the tail end of the robot, a conversion relation from the tail end of the robot to the virtual base and a conversion relation from the virtual base to the calibration plate; moving three wrist joints of the robot, and shooting calibration plate images of the robot in different postures; obtaining measurement value data in the calibration plate image, and converting the measurement value data in the calibration plate image into corresponding value data under the calibration plate coordinate system; and real value data under the calibration plate coordinate system are obtained, the external parameters of the cameras relative to the robot tail end are separated based on the constraint relation between the real value data and the corresponding value data, the external parameter of each camera is obtained, and multi-target calibration is completed. The calibration algorithm has high flexibility, and the accuracy of the calibration process is ensured.

The invention discloses a linear temperature rise control method, which belongs to the technical field of temperature control, and comprises the following steps: self-tuning; performing constant-temperature control; and carrying out linear temperature rise control. In the constant temperature process, proportional differential control is adopted, then the gradient value in the heating process is calculated, integral control is added according to the set gradient value, and at the moment, overshoot can be effectively restrained; and the speed concept is introduced, so that the temperature rise linearity becomes good, the strong wave phenomenon always existing in the temperature rise process is overcome, meanwhile, the PID values of linear temperature rise and constant temperature are unified, PID parameters do not need to be manually tested, and the debugging time is shortened.

The invention relates to the technical field of data processing, and discloses a roller press parameter adjusting method and system, rolling equipment and a storage medium, and the method comprises the following steps: obtaining target parameters of a roller press reaching a preset operation state, and carrying out parameter configuration on roll gaps at all levels to form a first parameter sequence; on the basis of the first parameter sequence and the target parameter, determining speed ratio configuration among all sections of rollers of the roller press to form a second parameter sequence; the roller press is controlled to execute feeding operation according to the first parameter sequence and the second parameter sequence, and diaphragm detection data formed through processing of the roller press are collected; and correcting the parameter sequence according to the difference between the diaphragm detection data and the target parameter to obtain a target diaphragm parameter. According to the invention, automation and standardization of debugging of the roller press are realized, the precision of parameter configuration and the production consistency are remarkably improved, the dependence on manpower is reduced, the targets of membrane thickness and surface density are stably realized, and the machine debugging efficiency and the product yield are improved.

The invention discloses a magnetic field measuring device and method, and the device comprises an excitation assembly which is provided with an excitation space, the excitation space is used for placing an extraction magnetic channel assembly, the extraction magnetic channel assembly comprises a magnetic material part and a supporting structural part, the magnetic material part is detachably disposed on the supporting structural part, and the magnetic material part is detachably disposed on the supporting structural part. The magnetic material piece and the supporting structural piece jointly form a channel suitable for beam movement; and the detection assembly is movably arranged in the channel so as to detect magnetic field information of the magnetic field led out of the channel. The excitation assembly and the detection assembly are matched to measure the leading-out magnetic field in the leading-out magnetic channel assembly, the magnetic field information is directly obtained, the magnetic field information in the channel can be obtained in advance outside the cyclotron before debugging, the adjustment of the leading-out magnetic channel assembly can be guided, the debugging time can be shortened, and the debugging efficiency is improved. Debugging steps are simplified, efficiency is improved, and cost is reduced.

The invention relates to the technical field of welding, and discloses an arc-guided laser hybrid welding device which comprises a mounting frame, and a laser welding head, a laser range finder, a welding gun, a shielding gas blowing part, a welding seam tracker, an air knife and a dust hood which are detachably mounted on the mounting frame, the laser range finder is used for measuring the distance between the laser welding head and the surface of the to-be-welded workpiece; in the welding direction, the welding gun and the shielding gas blowing part are located on the front side and the rear side of the laser welding head respectively, the welding seam tracking sensor is located on the front side of the welding gun, the positions of the welding gun and the shielding gas blowing part are adjustable in the X-axis direction, the Y-axis direction and the Z-axis direction, and the positions of the welding seam tracking sensor are adjustable in the Y-axis direction and the Z-axis direction. In the Y-axis direction, the air knife and the dust collection cover are located on the two sides of the laser welding head correspondingly, the position of the air knife in the Z-axis direction and the angle of the air knife around the X-axis direction are adjustable, and the position of the dust collection cover in the Z-axis direction and the angle of the dust collection cover around the X-axis direction are adjustable. The integration level and the space utilization rate are high, and the use convenience is good.

The invention relates to the field of bending mechanisms, and discloses a titanium alloy plate bending mechanism which comprises a base, a bending machine body is arranged on one side of the top of the base, a moving seat is arranged in the bending machine body, a bending knife is arranged at the bottom of the moving seat, and an adjusting mechanism is arranged on one side of the top of the base. An adjusting mechanism is arranged on the outer side of the bending machine body, a correcting mechanism is arranged on the top of the adjusting mechanism, the adjusting mechanism is arranged on the outer side of the bending machine body, the top of the adjusting mechanism is located below the bending cutter, and a heating mechanism is arranged on one side of the outer portion of the base. The adjusting mechanism comprises an adjusting seat, and the bottom of the adjusting seat is fixedly connected to the outer side of the bending machine body. Automatic adjustment is achieved by adjusting the bending radian and changing the supporting position and height, a large amount of debugging time consumed by adjusting the bending radian in a traditional production mode is effectively shortened, the production process is optimized, frequent die replacement is avoided, and the production process is more continuous and efficient.

The invention discloses a matching method and system based on a 5G network, Beidou positioning and non-line-of-sight microwave, and relates to the technical field of target signal positioning, and the matching method comprises the steps: building a static and dynamic combined calibration data set through obtaining high-precision geographic position information and real-time signal intensity data, and carrying out the calibration of the calibration data set; and adaptive direction adjustment and rapid focusing of the antenna are supported, and efficient communication and accurate positioning in a complex scene are realized. The calibration matching model is trained based on the calibration data set, so that the precision and adaptability of the model under multiple geographical environments and non-line-of-sight conditions are improved, an efficient antenna positioning mechanism is provided, and the stability and real-time performance of a communication link are guaranteed; the method is particularly suitable for complex environments such as disaster rescue, accident personnel can be quickly and accurately positioned, and rescue efficiency and action reliability are remarkably improved.

The embodiment of the invention provides a parameter optimization method and device based on an industrial internet, equipment and a medium. The method comprises the following steps: acquiring an initial training sample, wherein the initial training sample comprises a production process parameter set and an influence parameter set of a mold on different injection molding machines; training a preset Gaussian model by using the initial training sample to obtain an agent model; acquiring a feature information value of the target injection molding machine; and optimizing the proxy model by using a preset sampling function and the feature information value to obtain a recommended influence parameter set of the mold on the target injection molding machine. The method is used for achieving the effect of reducing the debugging time of the target injection molding machine.

The invention belongs to the technical field of high-end medical equipment, and discloses a multi-chamber particle treatment room, a radiotherapy system and a particle accelerator moving method, the multi-chamber particle treatment room comprises a plurality of treatment rooms, and the radiotherapy system comprises the multi-chamber particle treatment room and a particle accelerator. Each treatment room is provided with a beam window, the particle accelerator can move out of different treatment rooms and is aligned with the beam window, the particle accelerator injects particle beams into the treatment rooms through the beam windows, the particle beams are subjected to radiotherapy through treatment heads in the treatment rooms, and the radiotherapy system is not provided with a dipole magnet or a quadrupole magnet. A plurality of treatment rooms share one particle accelerator, the particle accelerator is moved to the outside of the treatment room needing the particle beam, the particle beam is emitted into the treatment room through the beam window, and when the treatment room completes treatment, the particle accelerator is moved to other treatment rooms needing the particle beam and carries out treatment work, so that the overall cost of the radiotherapy system is reduced, and the treatment efficiency is improved. And the proton treatment is accessible.

The invention discloses a subway water-cooling direct expansion air conditioning system and a using method, the system comprises a cooling tower side cooling tower water circulation pipe network and a direct expansion air conditioning unit pipe network, the cooling tower side cooling tower water circulation pipe network is a cooling tower side water circulation double-parallel pipe network, the direct expansion air conditioning unit pipe network is connected with the cooling tower side cooling tower water circulation pipe network, and the direct expansion air conditioning unit pipe network is connected with the cooling tower side cooling tower water circulation pipe network. Air is supplied to the station public area and the station equipment area; the using method comprises the following steps that the cooling tower side cooling tower water circulation pipe network is used for cooling and supplying circulating water; the low-temperature circulating water exchanges heat with the direct expansion air conditioning unit pipe network; the direct expansion air conditioning unit pipe network generates cold air through heat exchange; a refrigerant in a pipe network of the direct expansion air conditioning unit completes phase change circulation; the water-cooling direct-expansion combined air conditioning unit realizes the control of the temperature and humidity of the public area of the station; the water-cooling direct-expansion cabinet type air conditioning unit achieves control over the temperature and humidity of a station equipment area. Compared with a traditional design scheme, a chilled water system is omitted, heat exchange links are reduced, and the device is simpler and more energy-saving.

The present invention provides a binocular calibration method, device and storage medium for a wearable device, wherein the method comprises: moving the wearable device based on a calibration plate, and two cameras of the wearable device taking multiple photos of the calibration plate from different viewing angles and positions; calibrating the internal parameters of each camera through a plane homography relationship, the internal parameters including the horizontal coordinate and vertical coordinate of the optical center of the camera, the focal length of the camera in the horizontal and vertical coordinate directions, and distortion parameters; calibrating the external parameters between the two cameras according to the internal parameters of each camera and the positional relationship of the calibration plate relative to the two cameras of the wearable device, the external parameters being the rotation matrix and translation vector of the right camera relative to the left camera; and performing binocular correction on the two cameras of the wearable device to obtain a stereo correction matrix. The present invention shortens the debugging time, simplifies the calibration process, improves the calibration efficiency, and is conducive to large-scale mass production of wearable devices.

The invention discloses a multipurpose adjustable metal plate bending die and a working principle, and relates to the technical field of bending dies. According to the multi-purpose adjustable metal plate bending die and the working principle, the multi-purpose adjustable metal plate bending die comprises an angle adjusting structure and a pressing plate structure, a base is arranged on the lower side of the angle adjusting structure, a two-way worm is arranged in the base, transverse sliding blocks are arranged on the two sides of the two-way worm, the transverse sliding blocks are connected with a movable base, four guide rods are arranged in the base, and the movable base is connected with the movable base. Four guide sliding sleeves are arranged on the lower side of the movable seat and coaxially connected with guide rods, a connecting seat is connected to the upper side of the movable seat, a connecting plate is arranged on the upper side of the connecting seat and connected with a push rod, the push rod is connected with a rotary supporting plate in a hinged mode, and the rotary supporting plate is connected with a left half template and a right half template. And the left half template and the right half template are connected through a connecting shaft.

The utility model relates to the technical field of button battery welding, in particular to a button battery continuous welding clamp with a positioning function, which comprises a clamp seat, ten groups of battery holes are arranged on the surface of the clamp seat, and negative plate positioning grooves are arranged in the battery holes. A positioning block placement groove is formed in the position, located on one side of the battery hole, in the clamp base, a negative electrode soldering lug is placed in the negative electrode piece positioning groove, a button battery is placed in the battery hole, and the button battery is located above the negative electrode soldering lug; and a positive electrode soldering lug is also placed on the upper surface of the button battery. According to the utility model, one clamp is provided with ten battery holes and can be used for continuously welding ten times, the carrying times are reduced by welding a positive electrode and a negative electrode on the same clamp, the clamp designs positioning grooves for fixing the welding positions for the positive electrode and the negative electrode, and the equidistant battery hole tool assists in carrying, so that the carrying efficiency is higher.

This utility model discloses an integrated hot-melt welding device for automotive sealing strips, relating to the field of automotive parts manufacturing technology. The device includes a worktable, support legs, an adjustment mechanism, and a quick-installation mechanism. The support legs are fixedly mounted on the bottom of the worktable, and an adjustment bracket is fixedly mounted on the top of the worktable. An adjustment mechanism for controlling the mating of the sealing strip is fixedly mounted at the bottom of the adjustment bracket, and a quick-installation mechanism for rapidly installing the mold cavity is fixedly mounted at the top of the adjustment bracket. Through the inclined engagement of the wedge block and roller, and the limiting design of the dovetail groove, a rocker arm drives the pressure plate to quickly press the mold cavity. This dual-fixing mechanism significantly shortens the mold cavity replacement and debugging time, reduces operational complexity, and enhances the installation stability of the mold cavity, adapting to the flexible production needs of multiple sealing strip models, and significantly improving the equipment's versatility and production efficiency.

The utility model relates to the technical field of cable bridges, and particularly discloses a combined building cable bridge which comprises a bridge body. Bases are arranged at the two ends of the bridge body, a groove is formed in one side of each base, the two ends of each groove transversely penetrate through the corresponding base, sliding rods are arranged at the two ends of the interior of each groove, a plurality of limiting holes are formed in the sliding rods and the bases, and the limiting holes transversely penetrate through the bases and the sliding rods. A mounting frame is fixed at one end of the sliding rod; a fixing plate is connected to one side of the base, lead screws are connected to the two ends of the fixing plate, transmission gears are fixed to one ends of the lead screws, driving gears are arranged on one sides of the transmission gears, rotating shafts are fixed to one sides of the driving gears, and one ends of the rotating shafts extend out of the fixing plate. One side of each mounting frame is connected with an elastic component, a clamping plate is fixed to one end of each elastic component, and one side of each clamping plate is attached to the bridge body.

The invention belongs to the technical field of laser welding defect prediction, and discloses an aluminum alloy laser welding seam three-dimensional solidification crack sensitivity prediction method, which comprises the following steps: accurately calculating a lap joint temperature / solid fraction (TB / fB) and a T-fS curve of adjacent dendrites of a polycrystalline structure in a welding seam pasty area through laser welding macro-micro thermal mass coupling simulation; a novel solidification crack sensitivity prediction method fusing microstructure information is provided, accurate prediction of the solidification crack sensitivity of aluminum alloy laser welding is achieved, the solidification crack inhibition mechanism that an ultra-fine equiaxed crystal structure shortens an intergranular liquid phase channel and reduces solute segregation is disclosed, and the stability of the solidification crack sensitivity is improved. The method has very important engineering application significance for realizing solidification crack-free welding of the high-strength aluminum alloy thick-wall component.

The utility model discloses a three-dimensional optical rapid fine adjustment locking structure which comprises a mounting base, a lens assembly, an adjusting seat plate, a first adjusting assembly and a second adjusting assembly. The lens assembly is connected to the mounting base and then forms a light path with the through hole of the mounting base; the adjusting seat plate is connected to the mounting base, and the first adjusting assembly is connected with the lens assembly and the mounting base; the second adjusting assembly is connected with the adjusting seat plate and the lens assembly; the first adjusting assembly, the second adjusting assembly and the lens assembly are in contact connection through spherical surfaces. The beneficial effects of the utility model are that the optical lens can be accurately adjusted and locked in three dimensions of RX, RY and TZ, through the modular design of multiple groups of structures, the integration level of the optical system is improved, and the reliability of the designed optical system is expanded.

This utility model discloses a modular axle forging anvil assembly, including a medium anvil, side anvils symmetrically arranged on both sides of the medium anvil, a positioning and connecting mechanism, and a bolt assembly. A reinforcing rib is fixedly connected to the side wall of the medium anvil near the side anvils, and the reinforcing rib has a movable cavity. The positioning and connecting mechanism includes a positioning block slidably disposed within the movable cavity. The positioning block is inserted into the side anvil, and a connecting rod is fixedly connected to one side of the positioning block. A lifting seat is fixedly connected to the end of the connecting rod away from the positioning block. The bolt assembly includes a bolt threadedly connected to the side anvils. The end of the bolt passes through the reinforcing rib and abuts against the lifting seat, and the end has a tapered rod. This utility model allows the side anvils to be detachably connected to the medium anvil via the positioning and connecting mechanism and the bolt assembly, facilitating the replacement of suitable side anvils for different axle models without requiring a complete replacement of the assembly, thus reducing equipment costs and expanding applicability.

The utility model provides a cross-flow fan with composite spline curve blades, which relates to the technical field of cross-flow fans and comprises a first connecting plate and a motor output shaft, and a connecting shaft is fixedly mounted on one side of the first connecting plate. By rotating the rotating block, matching with the threaded connection of the bidirectional lead screw and the sliding plate and the sliding design of the sliding plate and the sliding groove, maintenance personnel can conveniently control the clamping ring to move, more labor is saved in mounting and dismounting, meanwhile, through the accurate matching of the limiting insertion column and the limiting hole and the stable clamping of the motor output shaft by the clamping ring, the maintenance efficiency is improved, and the maintenance cost is reduced. Compared with the prior art, firm connection is guaranteed, stable operation of the cross-flow fan blade is ensured, the fault risk is reduced, in addition, the limiting insertion column can be easily pulled out, unlocked and taken down by reversely rotating the rotating block, efficient and convenient disassembly is achieved, the time and energy of maintenance personnel during equipment maintenance, cleaning or component replacement are greatly saved, and the maintenance cost is reduced.