185 results about "Plasma cutting" patented technology

The invention discloses plasma cutting equipment for power distribution cabinet machining, and relates to the technical field of plasma cutting, the plasma cutting equipment comprises a machine tool, a cutting mechanism and a fixing mechanism, the cutting mechanism is arranged at the top of the machine tool, the fixing mechanism is arranged at the bottom of the cutting mechanism, and the cutting mechanism comprises an integrated end; the integrated end is arranged at the top of the machine tool, a top protection shell is arranged at the bottom of the integrated end, a rubber protection shell is arranged at the bottom of the top protection shell, and a bottom protection shell is arranged at the bottom of the rubber protection shell and is matched with large-range rotation of a main body gas pipe. On the premise of ensuring stable connection and good sealing of components, the arc angle is changed, the problem of uneven cutting lines caused by arc influence during cutting of concave-convex surface accessories of the power distribution cabinet is solved, the accurate matching tightness of the accessories is improved, and then the sealing performance of the power distribution cabinet is ensured.

The plasma cutting machine comprises a cutting machine table, two guide sliding rails are symmetrically arranged on the upper end face of the cutting machine table, guide sliding blocks are connected to the outer walls of the guide sliding rails in a sliding mode, and the upper end faces of the two guide sliding blocks are connected to the two ends of an installation frame. An electric module is slidably connected into the mounting frame, a cutting machine gun is arranged in the electric module, a plurality of conveying rollers are arranged on the portion, between the two guide sliding rails, of the upper end face of the cutting machine table, a circulating assembly is arranged at the bottom of the cutting machine table, and a clamping assembly is arranged on the rear side of the cutting machine table. The clamping assembly comprises a motor, a first synchronous wheel and a synchronous belt, the motor is fixedly arranged on the positioning plate, the output end of the motor is connected with the first synchronous wheel, hanging basket steel can be stably clamped and positioned, meanwhile, the device is suitable for fixing hanging baskets of different sizes and filtering and recycling a water source obtained after chippings are cleaned, and practicability is achieved.

The invention relates to the technical field of steel sheet pile welding machining, in particular to a welding device for steel sheet pile machining, which is characterized in that a positioning mechanism and a fitting mechanism are arranged on an L-shaped adjusting table, and a cutting mechanism is arranged on the fitting mechanism; the auxiliary guiding device capable of being matched with pile bodies of different specifications and sizes can be rapidly assembled to the end of the steel sheet pile, and multi-angle and multi-direction stable limiting guiding can be conducted on portable cutting tools such as a handheld plasma cutting gun through the auxiliary guiding device; an operator can drive a cutting tool to stably and continuously perform cutting along the irregular section contour of the steel sheet pile; in addition, workers can conveniently carry the auxiliary guiding device to quickly transfer the operation position, so that groove cutting can be directly carried out on site in a steel sheet pile storage yard, the tedious process of repeatedly transporting a large number of pile bodies to fixed large equipment is avoided, and the dependence on heavy special equipment is remarkably reduced.

The utility model discloses a non-magnetic steel plasma cutting device, which belongs to the technical field of plasma cutting, and comprises a working table and a plasma cutting equipment main body arranged above the working table, one side of the top end surface of the working table is provided with a through groove used for discharging high-temperature melt, and the other side of the top end surface of the working table is provided with a through groove used for discharging high-temperature melt. And a sliding rail is fixed to the other side of the top end face of the workbench, a water storage tank located below the through groove is installed in the side wall of the workbench in an embedded mode, dust collection devices are installed on the two sides of the top end face of the workbench, and lifting moving mechanisms are installed on the two sides of the bottom end face of the water storage tank in an embedded mode. Flame and molten liquid generated by the non-magnetic steel plasma cutting device fall into the water storage tank and are cooled through water in the water storage tank, the situation that the molten liquid is sputtered is avoided, meanwhile, a hydraulic rod in a mounting groove and rolling wheels at the bottom end of a lifting plate are used for supporting a water outlet groove, and the water outlet groove is more stable. And cooling water can be conveniently removed from the workbench in the water storage tank through a handle for replacement.

The invention provides a plasma cutting equipment control system which comprises a numerical control machine tool which comprises a computer terminal and a machine tool body, the computer terminal is used for issuing a first control instruction of the machine tool body and a second control instruction of plasma cutting equipment, and the machine tool body is used for receiving the first control instruction; the plasma cutting equipment is driven to move based on the first control instruction; the equipment main controller is used for receiving the second control instruction and issuing the process parameters to the execution controller based on the second control instruction; wherein the equipment main controller is communicated with the computer terminal through a digital communication interface; and the execution controller is used for controlling the technological parameters in the cutting process based on the technological parameters issued by the equipment main controller. Data transmission between the equipment main controller and the numerical control machine tool is realized through a standardized digital communication protocol, the real-time performance of multiple tasks can be guaranteed, the system universality is improved, and the task processing real-time performance and reliability are improved through a distributed control architecture.

The invention provides a manufacturing method of a small-spacing three-web box beam, which comprises the following steps of: S1, blanking and processing: cutting by adopting a numerical control flame and plasma cutting technology, blanking at high precision according to a design size, reserving a machining allowance and a groove form, and polishing after cutting; s2, assembling and positioning are conducted, specifically, components are assembled on the jig frame through the upside-down mounting technology, and positioning of a top plate is completed firstly; positioning an inner side web plate and a middle web plate; pre-penetrating positioning of U ribs, longitudinal beams and anchoring partition plates is sequentially completed on the middle web; and finally, positioning of the outer side web is completed. S3, bending position welding forming is conducted, specifically, a side web and a top plate are welded at a bending position; after flaw detection is qualified, middle webs and a top plate are fixed through downward welding; u-shaped ribs and longitudinal beams are welded and fixed in a bending manner; welding a bottom plate, and fixedly connecting the bottom plate with the middle web plate, the anchoring partition plate and the side web plate in a welding manner; finally, the stiffening ribs and the support base plate are welded and anchored; s4, flame cutting process allowance; and S5, sanding and coating are conducted, and manufacturing is completed. High-quality welding manufacturing is achieved, and the method is suitable for popularization.

The invention relates to a wear part for an arc torch, plasma torch or plasma cutting torch, characterised in that the wear part or at least one part or a region of the wear part consists of an alloy formed from silver and zirconium, silver and hafnium, or silver and zirconium and hafnium.

An apparatus may include a bracket having a post-tensioned cable tunnel and a pair of tabs configured to receive a post-tensioned cable and to prevent rotation of the bracket relative to the post-tensioned cable. An apparatus may include a plasma torch attachment member configured to releasably engage with the head of a plasma cutting torch of the type having a plasma cutting tip attached thereto, and to rotatably attach to the bracket such that the plasma cutting tip may be moved in an arc relative to the post-tensioned cable.

The application discloses a plasma cutting protection material, a preparation method and application thereof, and comprises the following components in parts by mass: resin 18-40 parts, toughening agent 0.1-2 parts, hydrolysis aid 0.7-4 parts, and solvent 50-100 parts. In the plasma cutting protection material, the resin is partially hydrolyzed by the hydrolysis aid, so that the hydrophilicity of the resin is enhanced, the miscibility with the solvent is improved, and a complete protection film can be formed on a wafer surface to resist etching of plasma; after the cutting process is completed, the formed protection film has extremely strong water solubility and can be easily removed, so that the cleaning process is simple.

This invention discloses a high-efficiency cutting device, belonging to the technical field of cutting equipment. The device includes a material conveying mechanism, a plate limiting mechanism, a lateral movement mechanism, and a limit self-stop mechanism. The material conveying mechanism consists of a base, a mounting groove, and conveying rollers, used to drive stable conveying of the plate. The plate limiting mechanism adjusts the side limiting rollers via a threaded rod, a moving block, a connecting rod, and a crossbar, achieving automatic centering positioning of plates of different widths. The lateral movement mechanism consists of a support base, a fixed rod, and a main shaft. The main shaft surface is provided with a spiral groove. The limit self-stop mechanism engages with the main shaft under the action of a sliding plate, a fixing bolt, and a spring, realizing lateral movement control of the plasma cutting gun. When the cutting gun moves to the edge of the plate, the squeezing sliding plate cooperates with the stop block to disengage the fixing bolt, and the cutting gun automatically stops, avoiding idle travel and overshoot. The plasma power supply box is connected to the cutting gun, and the slag box is used to collect slag.

The invention discloses a plasma cutting device for aluminum alloy plate machining, and relates to the technical field of plasma cutting devices. Through cooperation of the vibrator, the slag discharging plate, the guide column and the telescopic spring, adhesion between cooled slag and the slag discharging plate is conveniently avoided, the slag cleaning efficiency and convenience are improved, and the function of promoting rapid sliding of the slag can be achieved; plasma cutting process parameters and plate characteristics are integrated through an analysis module, a slag quantity estimation model is established, and then the vibration amplitude and frequency are dynamically matched through an adjusting module based on a slag discharge quantity formula; obtaining a slag viscosity parameter in real time, and substituting the slag viscosity parameter into a slag discharge amount formula to carry out vibration parameter correction; when it is detected that the viscosity of the slag is increased, the adjusting module preferentially improves the vibration frequency, the viscosity breaking force is enhanced through the characteristic that the acceleration is in direct proportion to the square of the frequency, and equipment impact caused by purely increasing the amplitude is avoided; and when the viscosity is reduced, the frequency is properly reduced, the amplitude is reduced, and the energy consumption and the deslagging effect are balanced.

To provide a cutting and welding method of a cutting member capable of reducing time and work load by replacing cutting by gas cutting with cutting by a plasma cutting device.SOLUTION: The method for cutting and welding the cut member includes a cutting step of cutting the cut member 21 from the steel plate 20, and a welding step of welding the cut member 21 to a position where the cut member 21 of the steel plate 20 is present, and closing the provided hole. The cutting-out step includes a first cutting step in which a groove is provided on one side of the removal portion 22, such as the side where the plasma cutting device is present, and a second cutting step in which a groove is provided on the other side of the removal portion 22, such as the side where the plasma cutting device is present. In the welding process, the cutting member 21 is welded in a posture turned over in the thickness direction of the steel plate 20 from a posture in which the cutting member 21 exists with respect to the steel plate 20.SELECTED DRAWING: Figure 1

This invention relates to the field of metal cutting and welding equipment technology, specifically to a multi-station plasma cutting and beveling equipment for steel pipes and rods. The equipment includes a worktable with two support frames fixedly mounted on its top. A mounting shaft is rotatably mounted on the opposite sides of the tops of the two support frames via bearings. Several feed tubes are embedded and fixedly mounted on one side of each mounting shaft. Several electrically controlled telescopic rods are hinged to the bottom of each feed tube via a bracket. A sliding mechanism is hinged to the bottom end of each electrically controlled telescopic rod. The equipment features a fan-shaped electromagnet, enabling millisecond-level attraction and release, matching the multi-station plasma cutting cycle time, eliminating mechanical jamming and cylinder leakage, and providing high-temperature resistance and resistance to cutting fumes and water mist. It prevents impact to the steel pipe / rod body and bevel end face, and avoids extrusion deformation. The equipment also allows for control of the attraction force and ejection force by adjusting the excitation current, adapting to different pipe diameters and wall thicknesses.

The invention belongs to the technical field of plasma cutting, particularly relates to an aluminum alloy circular pipe plasma cutting device for numerical control machining, and aims to solve the problems of insufficient positioning precision, low automation degree and complex equipment structure in the background technology, according to the following scheme, the aluminum alloy circular pipe plasma cutting device comprises a rack, and a C-shaped plate frame is arranged at the top of the outer wall of one end of the rack; and a plasma cutting mechanism is arranged on the outer wall of the C-shaped plate frame. By means of real-time monitoring of a grating sensor and a grating ruler, the displacement of a linear motor is dynamically corrected in cooperation with a PLC, the cutting path of a plasma spray head is accurately controlled, and the problems that the cutting center of an aluminum alloy circular pipe deviates, and a notch inclines are solved; according to the device, programmable precise feeding of the round pipes is achieved, modular integrated design is adopted, cutting assemblies, pushing assemblies, guiding assemblies and the like are matched in order, a traditional complex structure is simplified, and the manufacturing cost and the maintenance difficulty are reduced.

The utility model relates to the technical field of heavy industry machinery, in particular to a plasma cutting machine cutting gun accurate lifting structure which comprises a cylinder, a fixing seat is arranged on the left side of the outer wall of the cylinder, a long hole communicated with an inner cavity is formed in the right side of the outer wall face of the cylinder, and a motor is arranged on the top end wall of the cylinder. The upper inner wall and the lower inner wall of the cylinder are rotationally connected with a lead screw through bearings, the top end of the lead screw is fixedly connected with the output end of a motor through a coupler, and the outer wall of the lead screw is in threaded connection with a connecting block. Lifting of the cutting gun supporting base is achieved in the mode that the motor drives the lead screw, the problem that a traditional pneumatic lifting device is insufficient in precision due to air compressibility is effectively solved, the cutting gun can be accurately positioned at the needed height by accurately controlling the number of revolutions of the motor, the cutting precision is greatly improved, and the working efficiency is improved. The cutting device is particularly suitable for cutting precise metal parts and sheet materials, can remarkably reduce quality defects such as unevenness of cutting surfaces and non-uniform notch width, and improves the machining precision and quality of products.

The present invention provides a robot control device and a plasma cutting method that enable cutting at the appropriate cutting position on a workpiece while maintaining a constant distance between the torch tip and the workpiece surface. [Solution] The robot control device includes a robot control unit 120 that controls the operation of the plasma cutting robot 20 according to a teaching program, a distance calculation unit 130 that calculates the distance between the torch 21 and the cutting position on the object to be cut, a posture calculation unit 140 that calculates the posture of the torch 21 with respect to the cutting surface to which the cutting position on the object to be cut belongs, and a correction unit 150 that corrects the position of the torch 21 in a tracing direction perpendicular to the cutting surface based on the distance calculated by the distance calculation unit 130 and the posture calculated by the posture calculation unit 140 in order to maintain the cutting distance for plasma cutting of the object to be cut, and the robot control unit 120 controls the operation of the plasma cutting robot 20 while correcting the position of the torch 21 with respect to the correction unit 150.

The invention relates to the technical field of cutting gun anti-collision, and discloses a plasma cutting gun anti-collision device which comprises two vertical guide rails fixedly installed on a supporting face, a transverse guide rail installed on the two vertical guide rails in a sliding mode and a cutting base installed on the transverse guide rail in a sliding mode. A sliding piece is slidably installed on the linear motor lifting device, a fixing plate is fixedly installed on the sliding piece, and a cutting gun used for cutting is slidably installed on the fixing plate. According to the cutting gun anti-collision device, the flatness of a steel plate is detected through contact of balls and the surface of the steel plate, and when the balls meet protrusions, a rotating cylinder, a sleeve and the cutting gun are driven to move upwards; the first spring is further compressed, the cutting gun ascends to be prevented from colliding with the protrusion, after passing through the protrusion, the cutting gun descends and resets through the elastic force of the first spring, the balls are circumferentially arranged so that the protrusions can be detected through the balls on the periphery of the cutting gun, and the cutting gun is prevented from colliding with the deformed protrusion of the steel plate.

1. Name of the designed product: Plasma cutting machine (Pro series). 2. Use of the designed product: Equipment for welding cutting. 3. Design points of the designed product: In shape. 4. Picture or photo that best shows the design points: Perspective view.

The invention relates to a plasma torch installation (1) comprising a torch chamber (10) capable of containing an active electrode, an introduction chamber (20) extending along a longitudinal axis (A) and allowing the introduction of an additional electrode, and a transit device (30) for moving an additional electrode from the introduction chamber to the torch chamber. The introduction chamber comprises a sealed wall (21), the sealed wall comprising an inlet (211) and an outlet (212) forming two openings in the wall, and the inlet comprises a first shut-off member (2111) and the outlet comprises a second shut-off member (2121) that are configured to respectively close the inlet and the outlet of the introduction chamber in a sealed manner. Transit elements for the additional electrode and a possibility of storing a plurality of additional electrodes in the introduction chamber are presented.

The invention relates to the technical field of cutting equipment, and particularly discloses a metal plate plasma cutting device. Comprising a main machine, a control system, a multi-axis feeding mechanism, a plasma cutting head and a cutting table. The cutting table comprises a bearing disc, a driving device and a limiting mechanism. The bearing disc is in transmission connection with the driving device, universal balls are evenly distributed on the upper side of the bearing disc, a slag discharging groove is formed in the bearing disc, and the limiting mechanism is used for preventing the metal plate from shifting when the bearing disc rotates. In the cutting operation process, the driving device conducts rotation adjustment on the bearing disc under regulation and control of the control system, the slag discharging groove is made to be located under the plasma cutting head all the time, then the cutting table is prevented from interfering with a plasma arc airflow field, slag generated in the cutting process can be smoothly discharged, and therefore the precision and quality of cutting machining are improved; and residues of slag generated in the cutting process on the metal plate and the cutting table are effectively reduced, and the slag cleaning difficulty is lowered.

This invention discloses an intelligent cutting device for automotive parts production, relating to the field of plasma cutting technology. It includes a worktable with a gantry frame at its upper end, a robotic arm at the top of the gantry frame, a cooling assembly at the end of the robotic arm, a cutting head connected to the robotic arm within the cooling assembly, a dust removal assembly at the lower end of the cooling assembly, a rotating assembly between the cooling and dust removal assemblies, and angle adjustment components at the lower ends of both the cooling and dust removal assemblies. The dust removal assembly has a sleeve at its lower end. This invention uses the cooling assembly to cool the cutting area and cutting head, the dust removal assembly to remove waste gas generated during cutting, the rotating assembly to allow the water and air pipes to rotate synchronously, expanding the cooling and dust removal coverage, and the height adjustment assembly to control the distance between the working parts and the cutting surface, adapting to cutting operations of different curvatures and improving the device's versatility and operational flexibility.

The utility model discloses a split mounting type platform device for plasma cutting of thick steel plates, and relates to the technical field of plasma cutting. Comprising a base plate, the base plate comprises a rectangular plate and a reinforcing frame, a grid is installed on the inner wall of the lower side of the base plate and comprises a fixing plate, a grid plate and a reinforcing rod, and a placing mechanism is arranged on the upper surface of the grid and comprises a positioning plate, a clamping groove and a bar grid plate; the cutting platform is subjected to modular splitting, efficient, flexible and accurate left-right movement of cutting equipment is achieved through modular design, the structure is simple, cost is low, operation is convenient, oxidizing slag can be cleaned conveniently, the whole platform does not need to be replaced when slag adhering to a thick steel plate is seriously cut, only the grid plates need to be replaced, and cost is low. And the maintainability and adaptability of the platform device are improved.

The invention is suitable for the technical field of plasma cutting equipment, and provides plasma cutting equipment for a steel structure. After the inclination angle of the two-degree-of-freedom driving assembly is adjusted to be perpendicular to the inclination angle of the circular pipe through the swinging device, the working end of the two-degree-of-freedom driving assembly is adjusted to move to the center of the end of the circular pipe, so that the axis of the rotating working face is located on the axis of the circular pipe, and the rotating working face is perpendicular to the axis of the circular pipe; the position of the working end can be adjusted through the two-degree-of-freedom driving assembly, so that the distance of the plasma cutting head extending into the circular pipe is adjusted, the length of the end of the cut circular pipe is adjusted, the plasma cutting head is started, and the rotating working face is driven to rotate through the second rotating driving device so as to cut the circular pipe. The circular pipe cutting device is convenient and fast during construction on a construction site, high in cutting quality and efficiency and capable of adapting to circular pipes with different diameters.

The invention discloses a modularized multifunctional underwater operation robot. The robot comprises a moving assembly, a main body frame, a grabbing assembly, a posture stabilizing assembly, a mechanical arm welding assembly and a mechanical arm cutting assembly. And the moving assembly adopts a crawler-type walking mechanism, so that the trafficability of underwater complex terrains is ensured. The main body frame serves as a bearing platform and is integrated with an underwater camera for observation. The two grabbing assemblies are symmetrically arranged, the grabbing force feedback function is achieved, and objects can be grabbed and carried. The posture stabilizing assemblies adjust the posture of the robot through independently-controlled propellers. The welding mechanical arm and the cutting mechanical arm can work independently or cooperatively and are respectively provided with an underwater electric arc welding gun and a plasma cutter. Through modular integration, the capability that a single robot executes various complex underwater operations is achieved, the problems that traditional equipment is single in function, poor in collaboration and low in efficiency are effectively solved, and the robot has the advantages of being flexible in operation, good in stability and high in adaptability.

The invention discloses intelligent cutting equipment based on automobile part production, and relates to the technical field of plasma cutting. Comprising a workbench, a portal frame is arranged at the upper end of the workbench, a mechanical arm is arranged at the top of the portal frame, a cooling assembly is arranged at the tail end of the mechanical arm, a cutting head connected with the mechanical arm is arranged in the cooling assembly, and a dust removal assembly is arranged at the lower end of the cooling assembly; according to the device, a cutting area and a cutting head are cooled through the cooling assembly, waste gas generated in the cutting process is removed through the dust removal assembly, synchronous rotation of a water pipe and an air pipe is achieved through the rotating assembly, and the cooling and dust removal coverage range is enlarged; the distance between the operation component and the cutting face is controlled through the height adjusting assembly, cutting operation of different radians is adapted, and the universality and operation flexibility of the device are improved.

The utility model discloses a kind of laser cutting plasma cooling liquid circulating equipment, specifically relates to laser plasma cutting machine technical field, comprising: fixed frame, the inner side one end of the fixed frame is provided with first liquid storage tank, and the inner side other end of fixed frame is provided with second liquid storage tank, the bottom end of the fixed frame is close to the side of first liquid storage tank and is provided with liquid pump. The utility model is by being provided with heat dissipation component in second liquid storage tank, heat dissipation component is composed of multiple groups of heat-conducting plate that are obliquely staggered distribution, can make the high-temperature cooling liquid that flows back in turn flow in each heat-conducting plate, cooperate with heat dissipation fin can heat be scattered to the box body, and the flow path of cooling liquid is long, can greatly extend heat dissipation time, simultaneously, multiple groups of partition plates are arranged on heat-conducting plate, can further make cooling liquid evenly distributed on heat-conducting plate, to improve heat-conducting effect, to effectively dissipate heat, greatly guarantee the circulating cooling effect of cooling liquid.

The utility model discloses a plasma numerical control cutting machine. The plasma numerical control cutting machine mainly comprises a sliding mechanical arm, a plasma cutter, a cutting platform and a clamping and positioning mechanism. A multi-stage telescopic air cylinder and a clamping assembly are arranged in the clamping and positioning mechanism, the multi-stage telescopic air cylinder stretches out and draws back through internal air pressure changes and drives the clamping assembly to clamp and position a plate on the cutting platform, and the plasma cutter is driven by the sliding mechanical arm to move so that the plate can be cut into the needed shape. According to the plate cutting device, the problem that irregular plates are inconvenient to clamp and position in the plate cutting operation is solved; the working efficiency and the product quality can be improved.

The invention provides plasma cutting equipment for electric steel pole blanking, which belongs to the technical field of plasma cutting equipment and comprises a lathe bed, a three-axis power frame, a cutting head and a plurality of supporting plates. Wherein a water storage tank is arranged inside the supporting plate, a water supply unit used for supplying water to the water storage tank is arranged on the bed body, an insertion plate is inserted into the water storage tank in a sliding mode, and the water storage tank is configured to be closed by the insertion plate. The water storage tank is arranged in the supporting plate, cooling water still exists on the supporting face under the condition that the supporting face of the supporting plate is covered with the plate, when cutting is conducted to the supporting face of the supporting plate, metal slag generated in the cutting process can fall into the water storage tank and is rapidly cooled by water, and when the metal slag makes contact with the side wall of the supporting plate, the metal slag cannot fall into the water storage tank and is rapidly cooled by water. And the metal slag can be cooled by flowing water formed by overflowing of the water storage tank, so that the metal slag is prevented from being attached to the surface of the supporting plate.

The invention discloses a plasma cutting bus transient shaping regulation and control method and a regulation and control circuit. According to the method, before point arc triggering, a point arc window and an arc stabilizing window are set based on sampling of an alternating-current end and a direct-current bus end, and a bus voltage reference and a regulation and control target are determined; generating a sag compensation reference trajectory in a point arc window and generating a lifting peak clipping reference trajectory in a stable arc window to limit the amplitude and the duration; the primary side power conversion unit and the secondary side synchronous rectification and modulation unit are cooperatively driven according to the reference trajectory to change the current slope and the current trajectory of the series inductor by adjusting the equivalent voltage difference between the primary side power conversion unit and the secondary side synchronous rectification and modulation unit so as to realize bus transient sag compensation or lifting peak clipping; energy is concentrated on a carrier wave and a sideband of the carrier wave in a frequency spectrum so as to suppress a low-frequency component and direct-current bias; the method can improve the arc striking success rate and the arc stabilizing stability and reduce electromagnetic interference and device stress.

The utility model discloses a steel pipe static pressure pile cutting guiding device suitable for the site, and belongs to the technical field of constructional engineering. The multiple rotating arms are distributed on the inner circumference of the lantern ring at equal intervals, one end of each rotating arm is rotationally connected with the lantern ring, a guide roller is rotationally arranged at the other end of each rotating arm, and the axis of each guide roller is parallel to the axis of the lantern ring; the control mechanism is mounted on the lantern ring and used for synchronously driving the multiple rotating arms to deflect, so that the guide rollers abut against the outer surfaces of the steel pipe static pressure pile bodies with different pipe diameters; the mounting rod is adjustably mounted on the side face of the lantern ring, and a plasma cutting gun is mounted at the end, close to the center of the lantern ring, of the mounting rod. According to the guide device suitable for on-site steel pipe static pressure pile cutting, the axis of the guide roller is strictly parallel to the axis of the steel pipe static pressure pile body, the rolling direction is consistent with the rotating direction of the lantern ring, a dynamic guide rail is formed, the motion trail of a plasma cutting gun is forcibly restrained, and human factor interference is eliminated.