355results about How to "Guaranteed alignment" patented technology

The invention discloses an audio and video joint coding and decoding method based on generative artificial intelligence. The coding comprises the following steps: extracting various modal features from an audio signal and a video; fusion is carried out in cross-modal attention; task identification: firstly identifying a current task type, determining the task type, and analyzing specific requirements of the task by a system; dynamic self-adaptive weight distribution is carried out; and fusing the features, namely fusing the multi-modal features distributed with different weights. The audio and video joint coding method has the advantages that audio and video feature extraction, video feature extraction and AI-based generation technologies are applied to audio and video joint coding for the first time, and the problems that when video coding and decoding are conducted through a traditional method, compression efficiency is low, and the pursuit of higher quality cannot be met are solved. Meanwhile, on the basis of a generation type coding and decoding mode, the style and quality can be flexibly adjusted according to the personal requirements of the user.

The invention relates to the technical field of welding equipment, in particular to a ship piping accessory automatic welding device which comprises a base and a supporting plate fixedly connected to the base and further comprises a hollow cylinder rotationally arranged on the supporting plate, and four supporting rods surround the hollow cylinder; the pushing assembly is arranged on the hollow cylinder, connected with the four supporting rods and used for driving the four supporting rods to expand outwards to support the supporting pipe; by starting the first driving motor, the multiple supporting rods can be driven to expand outwards to support the branch pipe, meanwhile, the C-shaped buckle plate is driven to deflect to fix the transverse pipe, then the branch pipe and the transverse pipe are conveniently and rapidly fixed at the same time, meanwhile, in the process of fixing the branch pipe and the transverse pipe, the alignment assembly is used for driving the branch pipe to move to be in butt joint with the transverse pipe, and it is guaranteed that the welding positions are aligned; meanwhile, after the transverse pipe is aligned with the branch pipe, the first driving motor continues to be started to drive the transverse pipe to move and break away from the branch pipe, so that a welding seam is formed, and the welding effect is improved.

The invention relates to the technical field of propellant testing, in particular to a propellant burning surface testing method. The invention provides a propellant burning surface testing method. The propellant burning surface testing method comprises the following steps: constructing an X-ray imaging system based on an image intensifier and a high-speed camera, constructing a propellant burning surface testing system based on a double-view-angle X-ray imaging principle, establishing space alignment of double-view-angle image data and the like. By adopting the propellant burning surface test method provided by the invention, the problem that the positions of the two X-ray imaging systems are shifted due to vibration factors in an engine ignition test process can be effectively overcome, the acquired image space is ensured to be aligned, and the precision of subsequent two-dimensional image three-dimensional reconstruction is improved. A three-dimensional dynamic combustion surface retreating test of the solid rocket engine can be realized, and the accuracy of a test result is improved.

The utility model discloses a combined type double-end drilling tool which comprises a first drill tip and a second drill tip which are oppositely arranged, a first connecting block is arranged at the bottom of the first drill tip, a second connecting block is arranged at the bottom of the second drill tip, a first thread is arranged on the outer side of the first connecting block, and a second thread is arranged on the outer side of the second connecting block. And internal thread connecting pipes are arranged on the outer sides of the first connecting block and the second connecting block. According to the first drill tip and the second drill tip which can be separated, the adaptability of the tool is improved, and a user is allowed to rapidly replace the drill tips according to different operation requirements. And meanwhile, the first connecting block and the second connecting block are connected and fixed through the internal thread connecting pipe, so that the connecting stability is ensured, and the loosening or falling risk in the working process is reduced. The design of the sliding rail and the sliding block ensures that the first drill tip and the second drill tip can be aligned in position when being combined, so that the first drill tip and the second drill tip can be easily connected through the internal thread connecting pipe.

The invention discloses sensing equipment and method based on multi-modal sensor integration and synchronization, and relates to the technical field of robot sensing. The processing unit and the power supply unit are arranged in the main support, the processing unit is installed above the power supply unit, one end of the main support is provided with the display unit, the top of the main support is provided with the sensor unit, one side of the sensor unit is provided with the sensor synchronization module, and the power supply unit is electrically connected with the processing unit. The system has the advantages that a hardware trigger circuit is designed to trigger the laser radar, the visible light camera and the infrared camera to collect data at the same time, and then timestamp alignment of data of each frame of the laser radar, the visible light camera and the infrared camera is achieved in a memory sharing mode; through integration of a laser radar, a visible light camera and an infrared camera and a high-precision time synchronization method, comprehensive and high-quality data input is provided for an SLAM system.

The invention discloses a power equipment cross-modal data fusion method and system based on deep learning, and relates to the technical field of data processing. Performing stress value extraction on the electrical data and the voiceprint data to obtain an electrical stress value and a voiceprint stress value; performing feature extraction on the image data to obtain target image features, and performing feature extraction on the electrical data and the voiceprint data through a full-connection neural network to obtain target electrical features and target voiceprint features; and performing feature fusion on the target image feature, the target electrical feature and the target voiceprint feature according to the electrical stress value and the voiceprint stress value to obtain a target total feature, and determining a fault type of the target equipment according to the target total feature. According to the method, the stress values are extracted from the electrical and voiceprint data, the modal features are extracted by using the neural network, the electrical, voiceprint and image target features are fused into a unified total feature, the fault type is determined according to the total feature, and the overall stability and operation efficiency of the power system are improved.

The utility model relates to a nut type structure press-fitting device which comprises a press-fitting assembly and a locating piece, the press-fitting assembly comprises a supporting frame, a first pressing head, a second pressing head, an ejector rod assembly and a driving device, the second pressing head is arranged in the first pressing head in an up-and-down moving mode, and the ejector rod assembly is arranged in the first pressing head in an up-and-down moving mode and located above the second pressing head. The driving device is connected with the ejector rod assembly and can drive the ejector rod assembly to move up and down, and in the process that the driving device drives the ejector rod assembly to move downwards, the driving device can drive the first pressing head to move downwards through the linkage assembly and can drive the second pressing head to move downwards through the connecting assembly. And after the first pressing head moves to the preset position and the second pressing head moves to the preset position, the ejector rod assembly can be driven to continue to move downwards so as to push the check ring downwards. According to the nut type structure press-fitting device, a check ring can be more conveniently pressed into a guide nut of a brake cylinder or a clamping groove of a gap adjuster, labor intensity is lower, and installation efficiency is higher.

The invention discloses a robust document image geometric distortion correction method and related device based on selective state space sequence modeling, and the method comprises the steps: carrying out the image enhancement and feature extraction of a distorted document image, and obtaining a group of original feature maps; each original feature map is planarized into a vector, and all feature vectors are used to construct a document sequence; using a selective state space sequence model to learn context information hidden in the document sequence, transforming all the document sequences subjected to context information hidden in the document sequence into updated feature maps, and encoding the updated feature maps to obtain final feature maps; and performing bilinear sampling by predicting reverse mapping through a decoder to obtain a corrected image. According to the corrected image, the straightness of the text lines can be kept, the alignment of the point of the starting text line and the end point can be ensured, and the method has very high robustness under various background environments, illumination conditions and distortion types such as curvature, folding, wrinkling and viewpoints.

The utility model discloses an anti-retreating terminal assembly, which comprises a shell and a terminal inserted in the shell, the terminal is inserted in a slot built in the shell, the inner wall of the shell is provided with a limiting groove communicated with the slot, a limiting elastic sheet is inserted in the limiting groove, and the limiting elastic sheet is inserted in the limiting groove. The limiting elastic sheet is provided with a first elastic fin which obliquely extends towards the slot, the front end of the first elastic fin is bent to form a first bent part, the terminal is provided with a bayonet, when the terminal is inserted into the slot, the first bent part is clamped in the bayonet, and the first bent part is clamped in the bayonet. Therefore, the resistance for preventing the terminal from returning is formed on the terminal. According to the scheme, the first elastic fins extending inwards in the inclined mode through the limiting elastic pieces are clamped with the terminals after the terminals are inserted, component force perpendicular to the insertion direction of the terminals is generated on the terminals, then the positions of the terminals are limited, the purpose of preventing the terminals from retreating to generate position deviation is achieved, and then the connection reliability of the terminals in the using process is guaranteed.

The invention relates to the field of pressure vessel machining equipment, and provides a pressure vessel seal head welding frame with a centering structure, which comprises a working base, a vessel fixing assembly, a seal head fixing assembly and a synchronous welding assembly, the container fixing assembly comprises clamping and fixing bases fixedly connected to the top of the working base, a servo motor drives a rotary disc to rotate, automatic transfer of the end socket from the container fixing assembly to the end socket fixing assembly is achieved, in addition, a clamping motor drives a driving wheel and a driven wheel, four clamping bases are driven to move synchronously, and the end socket fixing assembly is driven to move synchronously. According to the pressure vessel welding device, stable clamping of a pressure vessel is achieved, the working efficiency and the clamping accuracy are improved, the four first heating assemblies are evenly arranged, the uniformity of the heating process is ensured, and the welding quality is further improved.

The utility model discloses an adjusting valve convenient to disassemble and assemble, which comprises a valve main body and a pipeline body, the two ends of the valve main body are provided with adjusting assemblies, the outer sides of the adjusting assemblies are fixedly provided with valve flanges, and the end face of the pipeline body is fixedly provided with pipeline flanges. A connecting assembly is arranged between the valve flange and the pipeline flange, and a sealing gasket is fixedly installed at the attaching position of the valve body and the rotating ring and located on the end face of the valve body. According to the adjusting valve convenient to disassemble and assemble, a first bolt rod slides along an adjusting groove, an inner rotating ring and an adjusting ring synchronously rotate during sliding, the angle of an outer side valve flange can be changed through rotation of the rotating ring, and the angle of the valve flange is changed while the angle of a valve body is not changed; therefore, it is ensured that the valve flange can be aligned with the fixed pipeline flange, and it is ensured that flange holes can be accurately aligned when the valve is installed.

The invention discloses a detection device and method for network transformer production, and belongs to the field of network transformers. The detection equipment for network transformer production comprises a bottom plate and further comprises a first conveyor and a second conveyor which are fixed to the upper portion of the bottom plate and used for conveying a network transformer, a testing assembly is arranged between the first conveyor and the second conveyor, and a pneumatic carrying assembly is further arranged on the upper portion of the bottom plate. The pneumatic carrying assembly adsorbs the network transformer on the first transmission machine and transmits the network transformer to the position of the testing assembly, and the pneumatic carrying assembly adsorbs the network transformer tested by the testing assembly and transmits the network transformer to the upper portion of the second transmission machine for automatic testing. The detection problem is solved through automation and accurate control, the network transformer is conveyed to the test position through the first conveyor, the pneumatic carrying assembly adsorbs and transfers the network transformer, it is ensured that pins are aligned, the test assembly automatically detects the pins, efficiency and quality are improved, and pin damage is reduced.

An automatic assembling system for a residual-current circuit breaker shield comprises an equipment base, a circuit breaker feeding device, a shield feeding device, an assembling device, a first clamping device, a second clamping device, a third clamping device and a controller, and the circuit breaker feeding device comprises a transmission line, a blocking plate, a sliding frame, a first material pushing plate, a first hydraulic air cylinder and a first material placing plate; the protective cover feeding device comprises a rotary feeding disc, a flat vibration rail and a flat vibration device, the assembling device comprises an assembling frame, a mounting station, a plurality of punching heads, a second hydraulic air cylinder and a third hydraulic air cylinder, and the punching heads are located over the mounting station; the first clamping device can clamp a to-be-machined circuit breaker to the mounting station from the first material placing plate, the second clamping device can clamp a to-be-machined protective cover to the mounting station from the vibration flattening rail, and the third clamping device can clamp the assembled circuit breaker to the transmission line from the mounting station.

The utility model discloses a single-wire cutting machine suitable for workpiece half-and-half cutting. The single-wire cutting machine is provided with a machine body frame, a cutting executing mechanism, a workbench assembly, an image collecting system and a PLC control system. The machine body frame is fixed on the horizontal ground; the workbench assembly is arranged below the cutting line and comprises a workbench horizontal moving mechanism and a workbench rotating mechanism arranged on the workbench horizontal moving mechanism, and a workpiece to be cut is arranged on the workbench rotating mechanism; the image acquisition system is provided with a camera, a clamping assembly, a camera horizontal moving mechanism and a camera lifting mechanism, the camera is assembled with the camera lifting mechanism through the clamping assembly, the camera lifting mechanism is assembled with the camera horizontal moving mechanism, and the image acquisition system is in communication connection with a PLC control system of the single-wire cutting machine. The utility model ensures that the central surface of the workpiece is aligned with the cutting line, and achieves the purposes of improving the product percent of pass and reducing the production cost.

The utility model relates to the technical field of insulation board production, in particular to a convenient press-fit production device for an integrated insulation board. The convenient press-fit production device for the integrated insulation board comprises a workbench, supports, an air cylinder and a press-fit board, the supports which are symmetrical left and right are connected to the bottom of the workbench, the air cylinder is installed on the upper portion of the workbench, the press-fit board used for press-fit of a raw material board is fixedly connected to a telescopic rod of the air cylinder, and the press-fit board is fixedly connected to the telescopic rod of the air cylinder. The telescopic rod of the air cylinder is controlled to extend, so that the pressing plate moves downwards to press the two raw material plates. By starting a driving motor, a bidirectional threaded rod I, a worm, a worm gear and a bidirectional threaded rod II are matched, four limiting blocks drive four moving plates to move inwards at the same time, the moving plates make contact with two raw material plates, then the two raw material plates are pushed to be aligned in multiple aspects, and it is guaranteed that the two raw material plates are thoroughly aligned.

The utility model provides a motor bearing press-fitting device which comprises a supporting table, a guide column, a supporting plate, a press-fitting structure, a supporting frame, a press-fitting hydraulic structure and a bearing positioning structure, the guide column is fixedly installed on the surface of the supporting table, the supporting plate is fixedly installed on the top of the guide column, and the press-fitting structure is installed on the surface of the guide column in a sliding mode; the supporting frame is fixedly installed on the surface of the supporting table, and the press-fitting hydraulic structure is fixedly installed on the top of the supporting frame and fixedly connected with the press-fitting structure. The bearing positioning structure is fixedly mounted on the surface of the supporting table; due to the arrangement of the press-fitting structure and the bearing positioning structure, the problems that an existing bearing press-fitting structure is still incapable of accurately positioning, uneven in pressure distribution and relatively low in production efficiency are solved.

The invention relates to a SAC algorithm-based online position correction method for an overhead line system maintenance mechanical arm, and belongs to the technical field of overhead line system maintenance. The invention discloses a method for correcting the online position of a contact network maintenance mechanical arm based on an SAC algorithm. The method comprises the steps that a training environment is built based on a Gazebo simulation platform; recognizing a target bolt based on a depth camera carrying a YOLOV5s algorithm, and converting the target bolt into a three-dimensional coordinate taking the camera as a coordinate origin; training the mechanical arm by adopting an SAC algorithm in the training environment; on the basis of SAC output actions, the mechanical arm is controlled to move through a Moveit frame to conduct environment interaction with the environment, and experience sampling and network parameters are updated. The terminal point of the tail end of the mechanical arm is updated based on the target point detected by the depth camera, and low difference of each planned path is kept, so that the robustness of a mechanical arm path planning system and the accuracy of the tail end of the mechanical arm are improved, and a better camera view is provided for subsequent maintenance operation.

The utility model relates to a system for testing a navigation body in a cross-medium environment. The system comprises an airtight water tank, a transition cabin and a transportation assembly, the airtight pool is used for accommodating water and a low-pressure environment, and an access hole is formed in the side wall of the airtight pool and is lower than the liquid level of the water; the transition cabin is arranged on one side of the airtight pool, one end of the transition cabin is communicated with the access hole, and the other end of the transition cabin is communicated with the external environment; a navigation body mounting piece is arranged on the transportation assembly, and the transportation assembly can move between the transition cabin and the airtight pool. Compared with the prior art, firstly, through the transition cabin communicated with the airtight water tank, the to-be-tested navigation body can enter the airtight water tank through the transition cabin and the access hole; meanwhile, the to-be-tested navigation body can be loaded on the transportation assembly to enter and exit from the airtight water pool, accurate carrying is achieved, multiple tests can be conducted in a low-air-pressure environment for a long time, and the testing efficiency is improved.

The utility model relates to the technical field of sunlight plates, and discloses a multilayer hollow high-strength sunlight plate which comprises a base plate, a butt joint plate is fixedly connected to the top of the base plate, supporting side frames are fixedly connected to the four edges of the top of the butt joint plate, and a top plate is fixedly connected to the tops of the supporting side frames. A supporting plate is fixedly connected between the butt joint plate and the top plate, the supporting plate is arranged in the supporting side frame, first cavities which are evenly distributed are formed between the supporting plate and the top plate, and second cavities which are evenly distributed are formed between the supporting plate and the butt joint plate. According to the utility model, the plurality of cavities I form an upper air layer and are communicated with each other through the plurality of connecting holes I, the plurality of cavities II form a lower air layer and are communicated with each other through the plurality of connecting holes II, and the plurality of cavities I and the plurality of cavities I are staggered with each other through the wave shape of the support plate; and the contact surface of the two air layers is increased, so that the heat insulation and sound insulation effects are improved.

The invention discloses an OTSM-based attitude sensor and hydrophone data alignment method, and belongs to the technical field of ocean monitoring. The method for aligning attitude sensor and hydrophone data based on an OTSM synchronization technology comprises the following steps: inserting a pilot symbol in a signal of a hydrophone through a synchronization algorithm of a time axis and a time delay axis; time delay on different propagation paths is determined by searching a peak value of a pilot signal to perform time synchronization on data, and accurate frequency alignment of data of multiple sensors in a complex environment is realized through Walsh-Hadamard transform frequency compensation by combining a signal containing a pilot symbol. The frequency alignment of the attitude data and the hydrophone data is ensured, and higher synchronization precision is realized.

The utility model belongs to the technical field of electrochemical energy storage, and discloses a multi-tab winding type laminated cell structure, which is formed by winding a positive pole piece, a negative pole piece and a diaphragm, the positive pole piece and the negative pole piece are respectively provided with 2n tabs, and n is the number of turns of cell winding; two tabs exist when the positive pole piece and the negative pole piece are wound by one circle, and the two tabs of each circle of the positive pole piece and the negative pole piece are symmetrically distributed on the two sides of the roll core; all tabs after the positive pole piece is wound are arranged side by side to form a positive pole tab of the battery cell; and after the negative pole piece is wound, all tabs of the negative pole piece are arranged side by side to form a negative pole tab of the battery cell. According to the utility model, high-efficiency production can be realized in a winding manner, the battery has low battery core internal resistance comparable to that of a laminated battery, meanwhile, the dislocation of the tabs is relatively small, and the weight and the cost of the battery are reduced; therefore, the rate capability of the battery is improved, and meanwhile, the production efficiency and the yield are improved.

The invention relates to the technical field of laser welding, in particular to an intelligent integrated laser welding machine which comprises a welding machine body, a welding platform located on the welding machine body and a strip table arranged on the peripheral side of the welding platform, and the strip table is flush with the surface of the welding platform. The welding device comprises a welding platform, a strip table arranged on the welding platform, two sets of fixed point parts arranged on the strip table in a mirroring mode and located on the two sides of the welding platform correspondingly, two sets of pressure stabilizing assemblies arranged on the two sets of fixed point parts correspondingly, a suction connecting mechanism arranged on one set of pressure stabilizing assembly, and a suction connecting mechanism arranged on the other set of pressure stabilizing assembly. According to the grinding device, workpiece placing, fixing and follow-up grinding treatment are integrated, the effect diversification is improved, the operation and machining process is more convenient, the actual use experience is effectively improved, automatic control is adopted in multiple positions, and the machining efficiency is improved. The intelligence and the accuracy of each work in the machining process are improved, and the machining effect is integrally optimized.

The utility model is suitable for the technical field of precision mould equipment, provides a kind of anti-deviation high-precision plastic forming mould, including device main body, device main body includes workbench, upper die, lower die and electric telescopic column, electric telescopic column both ends are connected in workbench and upper die, workbench has sliding slot;Anti-deviation structure, anti-deviation structure includes abutment plate, rack, rotating gear and motor, rack is installed in abutment plate lower end, rotating gear is engaged with rack, abutment plate lower end is slidably placed in sliding slot, rack axial and sliding slot axial are parallel;In the utility model, the motor driving rotating gear rotates after normal rotation, rack moves in the same direction, abutment plate moves along sliding slot oppositely, until abutment plate and lower die side wall are attached;Motor driving rotating gear reverse rotation abutment plate moves along sliding slot oppositely after reverse, to ensure that upper die and lower die are aligned, and prevent the molten plastic adhered on abutment plate from overflowing.

The utility model discloses a combustion control device for an RTO (Regenerative Thermal Oxidation) incinerator, which relates to the technical field of combustion control of incinerators and comprises a bracket, and a control valve II is fixedly mounted on the outer surface of a transmission pipe; an adjusting mechanism used for controlling the combustion size is arranged between the controller and the conveying pipe and comprises a fuel gas inlet fixedly formed in the outer surface of the controller. According to the combustion control device for the RTO incinerator, external air is conveyed through the air inlet, the air circulates in the conveying pipe, a first control valve is installed on the side, close to the air inlet, of the conveying pipe, the circulating air is controlled through the first control valve, and the air is conveyed into a combustion-supporting air pipeline through the conveying pipe; the sealing disc is installed at the connecting position of the pipeline, so that the sealing performance of the pipeline is improved, the gas leakage phenomenon is avoided, the situation that the gas circulation size cannot be adjusted when the first control valve is damaged is avoided through the second control valve, the guarantee for equipment is improved, and the safety of the pipeline is guaranteed.

The application provides a double-station electric core stacking assembly, which comprises a vertical plate, at least one positioning carrier fixed to the bottom of the vertical plate, at least one correction clamping device slidingly connected to the vertical plate, a positioning pressing frame, a first clamping assembly connected to the positioning pressing frame, the first clamping assembly extending to the lower sides of the positioning pressing frame, a second clamping assembly arranged between the first clamping assemblies, and a rotating pressing cylinder and a pushing cylinder. The assembly positions a loading plate through the positioning carrier and the loading plate locking assembly, and then positions a square electric core sent by a previous mechanical hand through the correction clamping device, so that the first clamping assembly and the second clamping assembly ensure that the position of the electric core can be centered after the handover, and the electric core is gradually stacked up and down, the electric cores are aligned with each other, and the whole assembly structure is compact.

The utility model relates to the technical field of sensor shell positioning equipment, in particular to a tool clamp for positioning a sensor shell. According to the technical scheme, the device comprises a base and a clamping mechanism for fixing a sensor shell, and further comprises an adjusting mechanism for adjusting the sensor shell on the clamping mechanism at multiple angles; and the rotating mechanism is arranged in the base and is used for clamping the clamping mechanism after the angle of the clamping mechanism is adjusted. Through cooperation of the clamping mechanism, the adjusting mechanism, the rotating mechanism and other structures, it can be guaranteed that parts of the shell are aligned with other elements, the sensor shell can be located at the most suitable welding position, the welding accuracy of the parts of the sensor shell and other elements is improved, and convenience and rapidness are achieved.

The present invention belongs to the technical field of motor production, and provides a motor end cover docking device, including a base, a substrate fixedly mounted on the base, a U-shaped groove provided on the substrate and a fixing assembly for fixing the motor end cover provided on the substrate, a slide plate slidably mounted on the base and a servo module for driving the slide plate to move provided on the base, so as to solve the technical problem in the prior art that it is difficult to accurately position the rotor and the end cover, resulting in difficulty in ensuring the quality of the rotor and the motor end cover after installation. The present invention first positions the motor end cover by a positioning rod and a positioning assembly, and then positions the rotor again by the positioning rod, both the motor end cover and the rotor are positioned by the positioning rod, and the basis for positioning the motor end cover and the rotor is the same, so as to ensure that the axes of the motor end cover and the rotor are in a coincident state after the positioning is completed. The present invention can be widely used in operation scenarios for accurate axis positioning.

The invention discloses a channel steel cold bending machine feeding auxiliary device, and relates to the technical field of channel steel cold bending machine feeding assistion.The channel steel cold bending machine feeding auxiliary device comprises a first side frame and a positioning plate body, a servo motor is installed at one end of the first side frame, a driving lead screw is arranged at the output end of the servo motor, and a sliding base is installed on the outer surface of the driving lead screw. According to the feeding auxiliary device for the channel steel cold bending machine, in the process that the positioning assembly moves to be close to the working area of the bending machine, a lead screw can be driven to rotate to drive an end gear to be meshed with a toothed plate, so that the toothed plate slides downwards in a limiting frame, and therefore when the toothed plate moves downwards to the moving position, the end gear is driven to be meshed with the toothed plate; the feeding clamping plates can be controlled to move through the design of the extending frames and the air rods, so that channel steel placed between the two feeding clamping plates can be rapidly limited, the channel steel stacked on the ground can be transferred to a working area of the cold bending machine, and a user does not need to move the channel steel to the working area of the cold bending machine through multiple manpower.

This utility model relates to the field of parts processing technology, and in particular to a pneumatic riveting machine. The pneumatic riveting machine includes: a worktable, a tightening assembly, a receiving block, a sliding rod, a sliding block, and a driving assembly. A placement plate is fixedly connected to the top of the worktable, and a placement mold is placed in the center of the top of the placement plate. Assembly plates are symmetrically fixedly connected to the outside of the placement mold. Mounting holes are provided on the far sides of the two assembly plates, and tightening assemblies are installed on the inner walls of the mounting holes. Receiving blocks are symmetrically fixedly connected to the top of the placement plates, and a controller is installed on one side of the rear receiving block. Connecting blocks are slidably connected to the inner walls of the adjacent sides of the two receiving blocks, and a carrying column is fixedly connected to the adjacent sides of the two connecting blocks. This utility model eliminates the need for a separate starting and fixing fixture like traditional equipment, solving the positioning deviation problem caused by poor coordination between traditional fixtures and riveting, and avoiding damage to the workpiece due to excessive clamping force.