1567 results about "Unit/actuation" patented technology

The rotary cross-flow ceramic membrane filtering device comprises a shell, a main shaft unit arranged in the shell and a power unit for driving the main shaft unit to rotate, the power unit provides rotating power for the main shaft unit and drives the filtering disc to rotate, the main shaft unit is installed in the shell and executes a specific filtering task, and the shell provides necessary support and protection for the main shaft unit and the power unit and controls inflow and outflow of materials. According to the rotary cross-flow ceramic membrane filtering device provided by the invention, the ceramic membrane filtering disc is arranged, so that the filtering efficiency and the system stability are improved, the operation cost is reduced, and the rotary cross-flow ceramic membrane filtering device is suitable for being widely applied to various industrial fields needing efficient filtering solutions.

The embodiment of the invention provides a cleaning robot and a working method thereof. The cleaning robot comprises a robot body, a mopping assembly and a driving device. The mopping assembly comprises a cleaning unit motor and a cleaning unit; the driving device is arranged on the machine body and connected with the mopping assembly. In the width direction of the machine body, the driving device can drive the mopping assembly to extend out of at least one side of the machine body relative to the machine body so that part of the mopping assembly can be exposed. The driving device drives the mopping assembly to retract to the first working position and then drives the mopping assembly to ascend and descend relative to the machine body. According to the technical scheme, the mopping and washing assembly integrally acts relative to the cleaning robot body, the mopping and washing assembly can conduct self-cleaning at any position, and therefore the cleaning robot has the good cleaning effect and is high in cleaning efficiency. In addition, according to the scheme, the mopping assembly retracts firstly and then is lifted, so that the risk of collision in the lifting process of the mopping assembly is reduced, and complex logic for judging the surrounding environment is omitted.

The invention belongs to the technical field of casting tools, and particularly discloses a magnesium-aluminum alloy large casting drilling tool which comprises a fixing frame and a positioning platform, and a lifting frame is arranged on one side of the fixing frame; a driven gear is rotationally installed in the positioning platform, clamping units are arranged on the two sides of the upper portion of the positioning platform, a lower pressing rod is connected to the lower portion of the lifting frame, a sleeve is arranged between the fixing frame and the positioning platform, a driving gear meshed with the driven gear is rotationally installed on the sleeve, and clamping units are arranged on the two sides of the upper portion of the positioning platform. A driving unit is arranged on the rear side of the positioning platform; the acting force of ascending or descending of the pressing rod is used as driving force, the driving unit drives the clamping unit to limit the position of the to-be-machined workpiece and then conduct drilling, after drilling is completed, the pressing rod ascends, and the to-be-machined workpiece rotates through cooperation between a driving gear and a driven gear; therefore, through holes in different positions, staggered up and down, of the workpiece to be machined are drilled.

The invention relates to the technical field of wafer bonding devices, in particular to a wafer bonding pressure control mechanism and method. The mechanism comprises a main driving unit and a bonding pressing rod linked with the main driving unit, the main driving unit drives the bonding pressing rod to move in the bonding pressure direction, bonding pressure is applied to a wafer through the bonding pressing rod, the bonding pressing rod is linked with the main driving unit through a pressure maintaining air cylinder, and the bonding pressing rod is arranged at the tail end of a piston rod of the pressure maintaining air cylinder; a displacement sensor is further included, the displacement change of the bonding pressing rod is detected through the displacement sensor, and the displacement sensor is electrically connected with the main driving unit. The main driving unit and the pressure maintaining air cylinder are combined to form a composite operation control system, the bonding pressure is controlled and adjusted by controlling the air pressure of the pressure maintaining air cylinder, and the stability of the bonding pressure is ensured.

The invention relates to an electromechanical drum brake (18) for a motor vehicle. The electromechanical drum brake (18) comprises a drum (10) in which brake shoes (22) are arranged, and an adjusting device (14) arranged between the brake shoes (22) and driven by a drive unit (46), by means of which the brake shoes (22) can be spread apart for braking. The drive unit (46) with the adjusting device (14) is attached to the drum (10) by means of fastening means (50) such that the drive unit (46) with the adjusting device (14) is movable relative to the drum (10) in a drum plane.

The invention relates to an electromechanical drum brake (10) for a motor vehicle. The electromechanical drum brake (10) comprises brake shoes (14) and an adjusting device (18) arranged between the brake shoes (14) and driven by a drive unit (38), by means of which the brake shoes (14) can be spread apart for braking. The adjusting device (18) is attached to a rear wall (22) of the drum brake (10), the rear wall (22) being designed to be elastic such that it permits movements at least to the extent of the expected out-of-roundness and eccentricity.

The invention discloses a multi-device and multi-mode centralized control system which comprises an interaction control end and a device assembly. The interactive control end is configured according to three different control modes of centralized control, independent control and hybrid control, in the centralized control mode, a set of main control unit is configured for all devices, and the main control unit comprises a main control server which is used for operating a main control program and coordinating and controlling operation of all device components; in the independent control mode, each equipment component is provided with a corresponding embedded controller, and the embedded controller comprises an embedded control server which is used for operating a main control program for controlling the corresponding equipment component; in the hybrid control mode, one or more independent devices are provided with embedded controllers, the embedded controllers communicate with the main control server, the device assembly comprises a device body and a driving unit, and the device body is driven by the driving unit to achieve various operation functions. According to the invention, centralized control of multiple devices in a large-scale manufacturing factory can be realized.

The invention relates to the technical field of assembly, in particular to a universal joint assembly method and system. The method comprises the step of triggering based on an assembly instruction to drive the retainer to move towards the mounting part in the direction from the clamping groove to the mounting part. And on the basis that the inner circumferential surface of the retainer abuts against the outer circumferential surface of the mounting part and the retainer is located on the side, close to the clamping groove, of the mounting part, the press-fitting unit drives the retainer to move in the direction from the clamping groove to the mounting part till the retainer stops. And on the basis that the retainer stops, the detection module is driven to move in the direction from the clamping groove to the mounting part. And on the basis that the detection module abuts against the snap spring, the relative position of the detection module and the snap spring is obtained. And obtaining a detection result of the snap spring based on the relative position of the detection module and the snap spring. Therefore, the problem of how to improve the assembling efficiency of the universal joint is solved.

The invention discloses an unmanned aerial vehicle hangar and a vehicle. The unmanned aerial vehicle hangar comprises a hangar body and a cabin door opening and closing mechanism. The hangar body comprises a hangar body, a first cabin door and a second cabin door, an opening is formed in the hangar body, and the first cabin door and the second cabin door are both movably arranged at the opening to open and close the opening; the cabin door opening and closing mechanism comprises a cabin door driving unit and a cabin door moving shaft, the cabin door moving shaft is connected with the first cabin door and the second cabin door, and the cabin door driving unit is in driving fit with the cabin door moving shaft and suitable for driving the first cabin door and the second cabin door through the cabin door moving shaft. The first door and the second door are moved in a direction away from each other to open the opening and in a direction close to each other to close the opening. Therefore, the cabin door driving unit drives the two cabin doors to be opened and closed at the same time, the structure is simple and compact, few power sources are needed, the operation process is stable, the requirement for the rigidity of the cabin doors can be lowered, and the opening opening and closing stability of the cabin doors is improved.

The utility model belongs to the field of parking space locks, and discloses a parking space lock which comprises a blocking piece, a locking piece and a locking piece. A driving unit; a transmission mechanism; a linear track; a substrate; when the driving unit drives the transmission part to move, the transmission part drives the moving part to slide along the linear rail and drives the connecting arm to slide along the linear rail and rotate relative to the moving part at the same time, so that the connecting arm drives the blocking part to turn over. When the blocking piece is subjected to external impact force in the open state, the blocking piece drives the connecting arm to move, the connecting arm drives the moving piece to slide relative to the linear rail, and the linear rail limits displacement of the moving piece in the direction perpendicular to the sliding direction of the moving piece. Power transmission is achieved through the transmission mechanism, the linear rail and the connecting arm are arranged independently, and the strength of the connecting arm and the transmission stability are guaranteed while the connecting arm moves; the linear track can assist the moving part in linear motion and can offset external impact force, so that the moving part is protected and prevented from being deformed and damaged; all the components can be integrated on the base plate, and therefore a user can conveniently install the parking space lock.

The invention relates to the technical field of mechanical arm control, in particular to a flexible mechanical arm control system which comprises a flexible mechanical arm body, a driving unit, a driving state sensing unit, an upper computer controller and an intelligent controller. The flexible mechanical arm body is formed by connecting a plurality of flexible cavity muscles and a plurality of connecting modules in series, and the clamping mechanism is installed at the front end of the flexible mechanical arm body; the driving unit is used for driving the flexible joint of the mechanical arm to move and deform by adjusting the air pressure and driving the clamping mechanism to act by adjusting the air pressure; the driving state sensing unit comprises a shape sensing unit, a tail end pose sensor and a driving state sensor; high-precision reconstruction of the full state of the mechanical arm is achieved, an intelligent control algorithm is combined, accurate trajectory tracking and point position control can be achieved, closed-loop control can be achieved only through a body sensor without depending on external visual equipment, and the applicability and reliability of different scenes are improved.

The utility model relates to the technical field of workpiece positioning equipment, and discloses a positioning mechanism for glass production, which comprises a bearing table, a plurality of racks are arranged on the bearing table, the plurality of racks are arranged along the circumference of the center point of the bearing table in an array manner, and the upper side surface of each rack is provided with a clamping unit for positioning and clamping glass. The lower surface of the bearing table is provided with a driving unit for simultaneously driving the racks to get close to or away from each other; the clamping unit comprises a fixing base arranged on the upper side face of the rack, and a movable moving plate and a fixed plate with the fixed position are arranged on the upper side face of the fixing base. According to the glass clamping device, the racks are arranged, the clamping units are arranged on the racks, the driving unit drives the racks to move oppositely at the same time, the movable plate drives the elastic pressing wheel to press glass on the bearing table when moving, and the center position of the glass is aligned with the center position of the bearing table conveniently; and the glass is fixed immediately after alignment, so that the secondary processing efficiency of the glass is improved.

The utility model belongs to the technical field of non-standard equipment, and discloses a terminal supply device. Comprising a cutting die used for cutting off a connecting part of a terminal and a material belt, a feeding unit located on the feeding side of the cutting die and used for conveying the material belt in the first horizontal direction, a material pulling unit located on the discharging side of the cutting die and used for pulling the material belt to advance in the first horizontal direction, and a material receiving unit located below the cutting die. The first linear driving unit is used for driving the material receiving unit to slide in a reciprocating mode in the horizontal direction and perpendicular to the first horizontal direction; the transfer positioning seat is used for temporarily storing terminals; the first mechanical arm is used for transferring the terminals between the material receiving unit and the transfer positioning seat; the second linear driving unit is used for driving the transfer positioning seat to slide back and forth along the first horizontal direction; and the second mechanical arm is used for transferring the terminal between the transfer positioning seat and the assembly line. The probability of damage of a surface coating of a terminal is reduced, and the yield of a connector is further improved.

The invention relates to the technical field of universal joints, in particular to a universal joint pull-out force measuring method and system. The method comprises triggering based on a test instruction to drive the universal joint to move until one end, close to the shell of the universal joint, of the transmission part of the universal joint abuts against one end, away from the second detection module, of the first detection module. The end, close to the shell of the universal joint, of the transmission part based on the universal joint abuts against the end, away from the second detection module, of the first detection module, and the second driving unit drives the second detection module to move in the direction away from the first detection module to abut against the shell. Based on abutting of the second detection module and the shell, the distance between the driving transmission part and the shell is increased to a set distance. On the basis that the distance between the driving transmission part and the shell is increased to the set distance, the maximum value of the driving force in the process that the distance between the driving transmission part and the shell is increased to the set distance is obtained. Therefore, the problem of low measurement efficiency of the pull-out force of the universal joint is solved.

The invention relates to the technical field of universal joint machining, in particular to a three-pin-column machining method and system. The three-pin column is positioned and clamped on the clamping assembly; wherein positioning and clamping comprise the steps that a positioning unit of the clamping assembly abuts against two supporting shafts of the three-pin column, and a second clamping unit of the clamping assembly expands a connecting hole of the three-pin column; a supporting shaft, at the machining position, of the three-pin column is machined; the positioning unit relieves the abutting of the two supporting shafts, and the second clamping unit drives the three-pin column to rotate until one of the two unmachined supporting shafts reaches the machining position; the positioning unit abuts against the two supporting shafts of the three-pin column, and the supporting shaft at the machining position is machined. In this way, the problem that the machining efficiency of the three-pin column is low is solved.

The invention relates to the technical field of stirring devices, and particularly discloses an automatic horseradish material stirring device which comprises a tank body, a material mixing unit arranged in the tank body and a reciprocating driving unit used for driving the material mixing unit, an upper sliding sleeve in the material mixing unit is driven by the reciprocating driving unit to do axial reciprocating motion, so that a material stirring piece is alternately switched in different postures, and materials in an inner container are fully stirred; in the initial state, the material stirring piece is located at the suspended position, the rotating shaft rotates to drive the material stirring piece to stir materials, and horseradish powder and seasoning are fully mixed; when the reciprocating driving unit pushes the upper sliding sleeve to move downwards, the material stirring piece gradually descends to be in contact with the bottom surface of the inner container, and cakes at the bottom are rolled by utilizing mutual friction between the material stirring piece and the bottom surface of the inner container, so that the phenomenon of caking and clustering generated in the mixing process is effectively eliminated, and uniform mixing of materials is ensured.

The utility model discloses a high-flexibility flexible mechanical finger supporting forward and reverse holding and a manipulator. The mechanical finger comprises a middle finger section, a base finger section and an end finger section, wherein the base finger section and the end finger section are rotationally connected with the two ends of the middle finger section respectively. Driving units are arranged in the end finger section, the middle finger section and the base finger section; bevel gear transmission units are arranged at the tail end of the end finger section, the tail end of the middle finger section and the tail end of the base finger section; the driving units are in transmission connection with the corresponding bevel gear transmission units; the driving unit drives the end finger section and the base finger section to rotate by taking the corresponding bevel gear transmission unit as a central shaft; through the structure and position design of the micro driving motor and the bevel gear transmission unit, each finger and each knuckle of the manipulator can be flexibly controlled, so that the manipulator has higher bionic flexibility and more precise grabbing capacity, and can be suitable for different scene requirements; by means of the special inserting mode between knuckles, the left-right hand grabbing function of the single mechanical arm is achieved.

The invention relates to the field of cable cabling, in particular to density-adjustable cabling equipment and a control method thereof.The cabling equipment comprises a feeding mechanism, a pre-deformation mechanism, a bundling mechanism and a control unit; the feeding mechanism comprises a first guide disc driven by a driving unit to rotate, a main unwinding wheel used for unwinding a main wire core and a plurality of auxiliary unwinding wheels used for unwinding stranded cables. The pre-deformation mechanism comprises a pre-deformation device, and the pre-deformation device is provided with a first diameter measuring unit and a second diameter measuring unit; the bundling mechanism comprises a box body and a pulling piece, the distance between the box body and the pre-deformation mechanism is adjustable, a cabling through hole for a main cable core to penetrate through is formed, and the control unit can calculate a target spiral angle of the stranded cable under the condition that the preset distance is met, and further calculates the rotating speed of the first driving unit and the pulling speed of the pulling piece; according to the invention, the cabling process can be accurately controlled, the cable coating density can be flexibly adjusted, the cabling quality can be guaranteed, and the production reliability can be improved.

The invention relates to the technical field of automatic machining equipment, in particular to a bending method and a bending device.The bending method provides bending device.The bending device comprises a first bending unit and a second bending unit, the first bending unit is provided with a first bending part, and the second bending unit is provided with a second bending part; the method comprises the following steps: transferring a flexible structure to a first bending unit; the first bending part is driven to do jacking motion in the first direction to jack the first bending position of the flexible structure, so that the flexible structure forms a first bending structure at the first bending position; the flexible structure bent for the first time is transferred to a second bending unit; and the second bending part is driven to do translational motion in the second direction, so that the flexible structure is pushed to be close to the position of the second bending position, and the flexible structure forms a second bending structure at the second bending position. The invention mainly aims to provide a bending method and aims to realize secondary bending of a flexible structure.

The invention relates to the technical field of contact lens automatic production, in particular to a contact lens filling and mold closing method and system.The contact lens filling and mold closing method comprises the following specific steps that S10, a feeding unit mold is carried to a jig assembly; s20, the turnover unit drives the jig assembly to enter a filling liquid injection area; s30, the mold opening and closing unit opens the mold, the liquid injection unit is filled with injection liquid, and the mold opening and closing unit performs mold closing on the mold; s40, the turnover unit drives the jig assembly to enter a discharging area, and the visual inspection assembly conducts quality visual inspection; s50, the discharging unit carries the mold to an empty tray, and material receiving and discharging are conducted; s60, the turnover unit drives the jig assembly to enter a feeding area for feeding, and operation is cycled in this way; the mold opening, filling and mold closing actions are integrated, the overall structure is compact, the function integration degree is high, liquid injection and filling are synchronously conducted in multiple filling and liquid injection areas in batches, the overall operation period of the mold is shortened, and the liquid injection and filling efficiency is improved; the automatic feeding and discharging unit is matched, so that the manual operation risk is reduced, and the overall production and processing quality and processing efficiency of contact lenses are improved.

The invention relates to the technical field of shock absorption, in particular to an active shock absorber and an installation method. The active damper comprises a damping assembly and a driving unit. The damping assembly comprises an outer cylinder unit and a piston unit; the outer cylinder unit comprises an outer cylinder body, a first opening and a second opening; part of the piston unit is movably arranged in the outer cylinder and divides the outer cylinder into an upper cavity and a lower cavity. The first opening is communicated with the upper cavity; the second opening is communicated with the lower cavity. The driving assembly comprises a driving unit and a first supporting unit; the driving unit inlet / outlet is communicated with the first port and the second port; the first supporting unit comprises a first connecting module, a second connecting module and a third connecting module; the first connecting module and the third connecting module are respectively connected with the driving unit; the second connecting module is arranged between the first opening edge and the second opening edge; the second connecting module is connected with the outer cylinder body; and the second connecting module is connected with the side walls in the first port and the second port. Therefore, the problem that when the driving structure is connected to the outer side of the cylinder body, fixation is not firm enough is solved.

The invention discloses an intelligent variable-frequency tensioning device and a control method. The intelligent variable-frequency tensioning device comprises six units including a multi-modal data sensing and interaction integration unit and a self-adaptive variable-frequency driving execution regulation and control unit. The multi-modal data sensing and interaction integration unit collects tension, displacement and speed signals of operation of the tensioning device, the hierarchical parameter optimization processing center performs feature extraction and primary processing on data, and the intelligent algorithm collaborative decision module fuses an optimized PID control algorithm and an RBF neural network model to generate a control strategy. A motor is driven by the self-adaptive variable frequency driving execution regulation and control unit, the mechanical structure dynamic adjustment linkage unit is driven to adjust a tensioning part, and the state monitoring and feedback correction unit monitors in real time and feeds back data for strategy and parameter correction. According to the device and method, intelligent frequency conversion control of the tensioning device is achieved, control precision and system stability are effectively improved, and complex working condition requirements are met.

The invention discloses a sampling device and a conveying system, and the sampling device comprises a sampling assembly which comprises a sampling unit and a first driving unit, and the first driving unit is used for driving the sampling unit to rotate in a conveying pipeline; the sampling assembly comprises a sampling bottle, a sampling channel and a driving assembly, the sampling bottle is connected with the sampling channel, and a first valve is arranged in the sampling channel; the driving assembly is used for controlling connection and disconnection of the sampling bottle and the sampling channel; when the first driving unit drives one end of the sampling unit to be communicated with the sampling channel, the other end of the sampling unit can cut into the center of the conveying pipeline for sampling, and the driving assembly controls the sampling bottle to be communicated with the sampling unit through the sampling channel; a sample enters the sampling bottle from the sampling unit through the sampling channel and is stored in the sampling bottle. According to the sampling device and the conveying system, the problem that sampling is not representative can be solved.

An independent steering device includes: a knuckle coupled to a wheel; and a driving unit having the knuckle rotatably coupled to at least a portion thereof and providing a driving force for rotating the knuckle. The driving unit may include: a motor having a first rotating shaft; a reducer having a second rotating shaft and coupled to the knuckle; and a power transmission member connecting the first rotating shaft and the second rotating shaft and configured to transmit rotational force between the first rotating shaft and the second rotating shaft. The motor and the reducer may be disposed so that the first and second rotating shafts are parallel.

The utility model belongs to the field of parking space locks, and discloses a buffering parking space lock movement and a parking space lock. The utility model discloses a buffering parking lock movement which comprises a transmission mechanism and a buffering mechanism. A driving unit; a supporting seat; a movement cover; when the driving unit drives the screw rod to rotate, the screw rod drives the nut to move along the linear track; when the nut is subjected to external impact force in the first direction, the nut drives the screw rod to move in the first buffer gap along the linear track relative to the supporting seat; the parking space lock comprises any one of the buffering parking space lock movement, a connecting arm and a blocking piece. According to the buffering parking lock machine core, power transmission is achieved through the transmission mechanism, so that the nut, the screw rod and the driving unit are subjected to buffering protection through the first buffering gap, and deformation and damage of the nut, the screw rod and the driving unit when the nut, the screw rod and the driving unit are subjected to external impact force are reduced; according to the parking lock, the buffering parking lock movement is adopted, the linear track and the connecting arm are arranged independently, and the whole structure is stable in movement.

The invention relates to the technical field of conveyor detection, in particular to intelligent inspection equipment for detecting the running state of a circular tube belt conveyor, which comprises a loading plate, a first brake unit, a second brake unit, a cleaning unit, a driving unit and a detector, and is characterized in that the first brake unit is fixedly arranged at the top of the loading plate and extends to the bottom of the loading plate; the second brake units are movably arranged at the two ends of the bottom of the loading plate and extend to the periphery of the top of the loading plate. Air is pumped into all the air channels through a high-pressure pump, then the high-pressure air pumped into the air channels enters an air cylinder chamber, a piston head is pushed downwards, a push rod and a clamping jaw are driven to move downwards along the inner wall of a guide groove, and the clamping jaw moves downwards to drive an upper brake pad to move downwards together; the upper brake pad and the lower brake pad form an up-and-down butt clamping effect on the edge of the conveying belt, and after a power system of the conveyor breaks down, the conveying belt is braked, reversing of the conveying belt is restrained, and materials are prevented from being stacked at the feeding end of the pipe belt type conveyor.

The invention discloses a USB key press and USB key management equipment, the USB key press comprises a bearing plate, a pressing unit and a driving unit, and the bearing plate is provided with a plurality of USB key plugging ports; the pressing unit is arranged on the bearing plate, the pressing unit comprises a connecting rod, a pressing plate and a plurality of positioning parts, one end of the connecting rod penetrates through the bearing plate, the connecting rod is connected with the pressing plate, the pressing plate is arranged above the bearing plate, the pressing plate and the bearing plate are arranged in parallel, and the positioning parts are arranged on the pressing plate. The positioning part is arranged on the bearing plate, and the positioning part is used for limiting the position of the USB key on the bearing plate; the driving unit drives the pressing unit to press the USB key; and when the pressing unit presses the plurality of USB keys, the USB keys are communicated with the plugging port, the positioning part abuts against the USB keys, and the pressing plate corresponds to the key positions of the plurality of USB keys.

The invention provides a machining device and method for shot blasting machine spare and accessory parts, and relates to the technical field of shot blasting machine spare and accessory part machining. The machining device comprises a connecting unit, a driving unit, a drill bit, a tapping unit and a multifunctional unit; the number of the driving units is two, and the two driving units are installed on the connecting unit. The drill bit is mounted on the driving unit on the left side through a bolt; the tapping unit is mounted on the driving unit on the right side; the multifunctional unit is mounted on the connecting unit, is used for preventing chips after machining from splashing outwards, and is also used for controlling the connecting unit and the two groups of driving units; the shot blasting machine spare and accessory parts can be processed for multiple times after being positioned once, so that the processing efficiency of the shot blasting machine spare and accessory parts is improved; the problems that the shot blasting machine spare and accessory parts are inconvenient to machine for multiple times, so that more time is occupied when the shot blasting machine spare and accessory parts are disassembled and assembled, and the machining efficiency of the shot blasting machine spare and accessory parts is reduced are solved.

The invention relates to the technical field of pipe cutting, and discloses a metal pipe cutting device which comprises a cutting table, and a cutting machine, a first supporting ring and a second supporting ring are sequentially arranged on the top face of the cutting table. Wherein the first supporting ring is fixedly connected to the top face of the cutting table, a first supporting assembly is arranged on the inner ring side of the first supporting ring, and the supporting end of the first supporting assembly makes rolling contact with the pipe so that the pipe can be connected with the first supporting ring in a sliding mode and fixed to the axis of the first supporting ring; the second supporting ring is slidably connected with the cutting table, a second supporting assembly is arranged on the inner ring side of the second supporting ring and comprises a supporting plate connected with the pipe so that the pipe can be fixed relative to the second supporting ring, a driving unit is arranged on the second supporting ring, and the driving end of the driving unit is connected with the supporting plate. The supporting plate moves in the axial direction of the pipe fitting and is used for enabling the pipe fitting to stretch out of the second supporting ring in the axial direction. The cutting efficiency and effect of the metal pipe can be improved, and the utilization rate of cut tailings is increased.

The present invention relates to a mobile transport system (10) for transporting objects, particularly in technical facilities, the mobile transport system comprising: a vehicle frame (12); a pair of first support wheels (41) and a pair of second support wheels (42) rotatably supported; a first drive wheel (71) rotatable about a first drive axis (73) extending in the lateral direction (Y); a second drive wheel (72) rotatable about a second drive axis (74) extending in the lateral direction (Y); and a pitch frame (14) rotatable about a pitch axis (13) relative to the vehicle frame (12), wherein the first support wheels (41) are arranged on the vehicle frame (12) and the second support wheels (42) are arranged on the pitch frame (14). A drive unit (70) is arranged on a pitch frame (14). The drive unit has a drive frame (75), wherein a first drive wheel (71) is rotatably supported on a first rocker arm (81) that can swing relative to the drive frame (75) about a first rocker arm axis (91), and a second drive wheel (72) is rotatably supported on a second rocker arm (82) that can swing relative to the drive frame (75) about a second rocker arm axis (92). The first rocker arm (81) and the second rocker arm (82) are connected to each other via a connecting unit, such that the swinging motion of the first rocker arm (81) about the first rocker arm axis (91) in a first swinging direction (A) causes the second rocker arm (82) to swing about the second rocker arm axis (92) in a second swinging direction (B) opposite to the first swinging direction (A).