37results about How to "Run sync" patented technology

The invention provides a distributed simulation system and device based on a DDS (Direct Digital Synthesizer), which can meet the requirements of the accuracy of a human-in-loop semi-physical simulation process of an aircraft, the data publishing / subscribing real-time performance of each component, the compatibility of development software of each professional subsystem, the interactivity of third-party data and simulation data and the reusability and expansibility of a model. A distributed simulation system operation framework is utilized, access of a heterogeneous system is supported, and finally confrontation between a human-in-loop semi-physical simulation system and an illusion party generated by a computer is achieved. An HLA distributed simulation architecture thought is adopted, simulation system data can be interacted through a real-time network through DDS middleware, and interaction content comprises flight simulation data, control panel data, visual head-up display data and MFD data.

The invention discloses a control method, device and equipment of a full-automatic template sewing machine and a medium, and relates to the technical field of sewing machines. Obtaining a target expected speed of the first servo system when executing the current speed loop task according to a position instruction of the first servo system when executing the current position loop task and position feedback values of the first servo system and the second servo system when executing the current position loop task; based on a PID algorithm, according to the target expected speed and a speed feedback value when the first servo system executes the current speed loop task, obtaining a target input signal when the first servo system executes the current current loop task; and controlling the rotating speed of the first servo system by using the target input signal. According to the method, the technical problems that when the two servo systems needing to operate synchronously in the full-automatic template sewing machine are controlled, the hardware connection structure is complex, the cost input is too high, and the occupied space size is large can be solved.

The invention discloses a master-slave synchronization method based on Ethernet UDP (User Datagram Protocol) communication, which comprises the following steps: firstly, respectively establishing a communication node according to master and slave attributes of a CPU (Central Processing Unit) board, the master system is MASTER, the standby system is SLAVE, and the master and slave boards carry out data interaction through respective communication nodes; in order to ensure the consistency of a master cycle and a slave cycle, the message-oriented middleware realizes a barrier synchronization function, and the barrier synchronization adopts an SLAVE blocking and MASTER timeout waiting mechanism. The UDP based on the Ethernet is adopted for master-slave communication, and compared with CAN and RS-485 communication, the problems of high electromagnetic interference, low transmission rate and narrow broadband are solved. Master-slave data exchange is achieved through system software, and dependence of interlocking software on hardware is avoided. By setting a mechanism of slave system blocking and master system timeout waiting, master-slave synchronous operation is realized.

The invention belongs to the technical field of shield slurry treatment equipment, and particularly provides a shield construction slurry treatment device and method. The stirring assembly is rotationally arranged in the stirring box, and a power part is fixedly arranged on one side of the stirring box; the filtering assembly comprises a filtering cylinder, the filtering cylinder is arranged on the outer side of the stirring assembly in a sleeving mode, openings in the two ends of the filtering cylinder are rotationally connected with the two sides, in the length direction, of the stirring box correspondingly, and the two ends of the stirring box are provided with a feeding port and a discharging port which are communicated with the interior of the filtering assembly correspondingly; one end of the stirring rod penetrates through the side wall of the stirring box and the opening of the filter cartridge and then extends into the stirring space. The filter cartridge is arranged to be matched with the stirring assembly, large-particle impurities in raw materials can be effectively intercepted while the raw materials are fully stirred, the large-particle impurities are prevented from scratching a sealing system of a shield tunneling machine or blocking a slurry circulating pipeline, and meanwhile the problems that a cutter head of the shield tunneling machine is blocked or a slurry discharging pipeline is abraded are solved.

This invention relates to the field of wastewater treatment, specifically a wastewater treatment device, including an electrolytic cell with an electrolysis assembly installed on it; it also includes a centrifugal sedimentation mechanism and a reciprocating stirring mechanism, which cooperate with each other; the centrifugal sedimentation mechanism includes a centrifuge cylinder with a turbine installed on it, and a rotation drive assembly installed on the bottom outer wall of the electrolytic cell; the reciprocating stirring mechanism includes a connecting frame with several rotating tubes connected to it, the bottom of which is connected to a stirring rod via a mounting base; a drive gear placed on the rotating tubes; and a rack and pinion reciprocating frame meshing with the drive gear. This invention utilizes the centrifugal sedimentation mechanism and the reciprocating stirring mechanism to achieve rapid sedimentation of impurities in wastewater, and the precipitated wastewater solution is discharged into the electrolytic cell through the top opening of the centrifuge cylinder for electrolytic sedimentation, thus facilitating rapid sedimentation of wastewater.

The utility model discloses a food processer machete, which relates to the technical field of food processer machetes and comprises a machete base plate and a plurality of machete side wings arranged on the outer side of the machete base plate, a first cavity is arranged in the machete base plate, a plurality of connecting blocks which are symmetrically arranged in a surrounding manner are fixedly arranged on the outer wall of the machete base plate, a second cavity is arranged in each connecting block, and the first cavity is communicated with the second cavity. A connecting rod is rotatably arranged on the two sides of the second cavity in a penetrating mode, the outer side of the connecting block is sleeved with a rotating block, the two ends of the connecting rod are fixedly connected with the two sides of the inner wall of the rotating block respectively, the bent knife side wings are fixedly connected with the rotating block, and a turnover mechanism used for driving the bent knife side wings to rotate is arranged between the connecting rod and the interior of the first cavity. According to the machete base plate, the connecting block, the connecting rod, the rotating block, the machete side wings and the turnover mechanism, the multiple machete side wings can be turned over after the machete is used, the back sides of the machete side wings can be arranged upwards, the machete can be conveniently, comprehensively and carefully cleaned, and dirt residues are avoided as much as possible.

The invention discloses a production line management and control integrated data synchronization method and system based on a big data technology, and relates to the technical field of production line data synchronization, and the method comprises the steps: marking production orders and production process data, generating production line management and control integrated data when detecting that the data changes, and triggering a synchronization mode judgment strategy; preliminarily selecting a synchronization mode according to the data volume, calculating synchronization time by combining the network bandwidths of the serial and parallel channels, and further selecting the synchronization mode; setting a serial and parallel synchronous waiting queue and a mark matching queue; different conditions of production order data and production process data are considered in design: when only the production order data is included, sorting is performed according to priority indexes; when only the production process data is contained, sorting is performed according to the production order and the task node sequence; when the two exist simultaneously, the method is synthesized for sorting; according to the design, accurate and efficient synchronization of production data is ensured, and the integration level and flexibility of production line management and control are improved.

The present invention discloses a driving mechanism of a pneumatic clamp, comprising a ventilation block and two groups of cylinder assemblies that are on the same straight line and symmetrically distributed on both sides of the ventilation block. The cylinder assembly comprises a cylinder and a piston rod; one end of the piston rod in the cylinder is provided with a piston part, and the other end is connected to the ventilation block; the piston part divides the inner cavity of the cylinder into a cavity space one and a cavity space two that are independent of each other; inside the piston rod, there are provided an air passage one that is connected to the cavity space one and an air passage two that is connected to the cavity space two; the ventilation block is provided with a ventilation passage one and a ventilation passage two that are connected at both ends and are independent of each other; one end of the ventilation passage one is simultaneously connected to two air passages one on different piston rods, and one end of the ventilation passage two is simultaneously connected to two air passages two on different piston rods. The present invention does not need to add an external air intake duct, which can save installation space and improve the synchronization of the operation of the two clamps.

The application discloses an automatic conveying line and relates to the technical field of automatic equipment, which comprises a frame, a plurality of working boxes arranged on the frame, sliding rails installed on the frame and penetrating through the working boxes, a plurality of sliding blocks uniformly arranged on the sliding rails, a same driving mechanism drivingly connected with the sliding blocks, the driving mechanism driving the sliding blocks to slide along the sliding rails, support rods rotatably installed on the sliding blocks, products to be conveyed fixedly installed on the top of the support rods, rollers fixedly installed at the bottom of the support rods and friction belts selectively installed on the frame and abutting against the rollers in one or more working boxes. The automatic conveying line has the advantages that the same driving mechanism is used to drive the plurality of sliding blocks, so that the investment in the driving device is reduced; the rollers and the friction belts are arranged, so that no additional power is needed when the products to be conveyed are rotated in the conveying process; one conveying line can realize the completion of multiple processes, no additional manpower is needed for connection, and the automation degree of the conveying line is improved.

The utility model relates to a jacquard machine driving structure, and relates to the technical field of jacquard machines, the jacquard machine driving structure comprises a rack, two wallboards are arranged on the rack, the number of the wallboards is two, the wallboards are oppositely arranged, a low-speed motor is arranged on the rack, and the low-speed motor is arranged between the two wallboards. The device has the advantages of being low in manufacturing and transportation cost.

The present invention provides a cutting device for aluminum plate processing, which belongs to the technical field of aluminum plate processing. It includes a base with a carrier; a pressing mechanism connected to the base; a cutting mechanism connected to the carrier; the pressing mechanism and the cutting mechanism have a lifting movement in a direction perpendicular to the base; a feeding mechanism connected to the base and located below the carrier; the cutting mechanism includes at least a driving assembly and a cutting belt; the cutting belt is sleeved on the driving assembly in the form of a closed loop to form two cutting sections above the aluminum plate to be cut, and the two cutting sections are configured to simultaneously cut the aluminum plate to be cut under the action of the driving assembly. The double cutting sections of the cutting belt can perform double cutting on the upper surface of the aluminum plate at the same time, thereby completing the processing of multiple incisions in a single operation, which is twice as efficient as the traditional single incision method.

The invention provides an aluminum alloy gearbox shell die-casting process and equipment, and relates to the technical field of die-casting equipment.The aluminum alloy gearbox shell die-casting equipment comprises a die-casting supporting table, a die-casting mechanism facilitating die-casting of an aluminum alloy shell is arranged on the die-casting supporting table, and a supporting mechanism for containing a workpiece is arranged on the die-casting supporting table; a cooling mechanism facilitating cooling after die-casting is arranged on the die-casting supporting table, the die-casting mechanism comprises a die-casting air cylinder, a die-casting control machine and an upper die-casting die, and the supporting mechanism comprises a transmission circular shaft and a movable table. According to the die-casting die, the lower die body capable of achieving feeding and discharging away from the upper die-casting die body is arranged, the upper die-casting die body has certain mechanical danger in the opening and closing process, and if an operator conducts feeding and discharging below the die-casting die body, the operator may be clamped by the upper die-casting die body or injured due to accidental actions of the upper die-casting die body; operators are far away from the upper die-casting die during feeding and discharging, and the possibility of mechanical damage is reduced.

The utility model relates to a large-needle-number jacquard machine direct drive structure, and relates to the technical field of jacquard machines, the large-needle-number jacquard machine direct drive structure comprises a rack, two wallboards are arranged on the rack, two drive motors are further arranged on the rack, the two drive motors are in one-to-one correspondence with the two wallboards, and the drive motors are located on one sides of the corresponding wallboards. The device has the advantages of being high in integration level and smaller in size.

The present invention relates to the field of camera technology, and discloses a focus adjustment device for a binocular camera, comprising an outer shell, an inner shell is provided on the inner wall of the outer shell, an end face of the outer shell is fixedly connected to a front plate, an end face of the outer shell away from one end of the front plate is fixedly connected to a rear plate, an inner wall of the inner shell is fixedly connected to a control board, a front-eye camera is provided at the top of the control board near one end of the front plate, a rear-eye camera is provided at the top of the control board near one end of the front plate, and a motor is provided at the end face of the inner shell near one end of the front plate. When the present invention is used, in the stabilizing component, when the device is equipped, after the telescopic rod is fixed in position, the surface of the spring plate is fixed, and the spring plate will contact the inner wall of the outer shell. When the device is in use, the elastic force of the contact is used to fix the equipment, and at the same time, the equipment is buffered. At the same time, if the spring plate is subjected to extrusion force, the two spring plates will first squeeze the arc plate.

This application discloses a method, apparatus, device, and storage medium for determining a reference time. The method for determining the reference time includes: acquiring identification information; generating a target reference time based on the identification information; the target reference time being any time; and determining the target reference time as the reference time of at least one device associated with the identification information.

The utility model provides a stripping device of a die-cutting machine, which belongs to the technical field of die-cutting machines and comprises a base, four supporting rods are fixedly connected onto the base, a mounting plate is fixedly connected to the top ends of the four supporting rods, an air cylinder is fixedly connected to the bottom end of the mounting plate, a die-cutting table is fixedly connected to the upper surface of the base, and the die-cutting table is fixedly connected to the lower surface of the base. A groove is formed in the die cutting table, the output end of the air cylinder is fixedly connected with a die plate, and the two stripping assemblies comprise guide rods fixedly connected to the base. According to the utility model, the symmetrical stripping assemblies are arranged, so that waste materials on the two sides of the die cutting table can be well removed, vertical movement of the output end of the air cylinder is utilized, stripping is carried out through multiple connecting rods, die cutting work can be matched to run for a long time, synchronous work at the same output end is realized, and the efficiency is improved; and the feeding assembly is operated through vertical movement of the output end of the air cylinder, synchronous operation is achieved, and efficiency is improved.

The present application relates to the technical field of traction conveying devices, and in particular to a long-distance oven belting device and belting method, including a front belting mechanism, a rear belting mechanism, and a plurality of middle guide mechanisms arranged between the front belting mechanism and the rear belting mechanism; the front belting mechanism and the rear belting mechanism are connected to traction with a steel belt, the steel belt is passed through the middle guide mechanism, and identification pieces are arranged at both ends of the length direction of the steel belt; it also includes a detection mechanism, the detection mechanism includes an origin detection component for detecting the position of the identification piece and a distance detection component for detecting the running distance of the steel belt, and the origin detection component and the distance detection component are oriented toward the steel belt. It is only necessary to use the position of the identification piece as the starting point to ensure that the starting point of each belting is the same; at the same time, the belting speed of the front belting mechanism and the rear belting mechanism is adjusted according to the running distance of the steel belt, so as to ensure the synchronous operation of the steel belt.

The invention discloses an automatic feeding rotary kiln, which is used for realizing that the rotary kiln automatically provides unprocessed metal powder, and comprises a feeding mechanism which is in transmission connection with the rotary kiln, and the power of the feeding mechanism is provided by the rotary kiln; the feeding mechanism is arranged on the rotary kiln and connected with the discharging position of the feeding mechanism, the feeding mechanism comprises a movable plate used for preventing materials from being blocked, and the movable plate is driven by the rotary kiln through the feeding mechanism in a transmission mode. According to the automatic feeding rotary kiln, on one hand, the feeding mechanism is in transmission connection with the rotary kiln, the operation power of the rotary kiln is directly used for driving the feeding mechanism to complete the operation of automatically providing unprocessed metal powder, and an independent driving unit, a speed reduction device and a synchronous control system matched with the feeding mechanism in a traditional scheme are thoroughly omitted; and the consumed energy, the installation occupied area and the production operation energy consumption are greatly saved.

This utility model belongs to the technical field of titanium-zirconium alloy piercing devices, specifically relating to a titanium-zirconium alloy vibration-assisted piercing device, including a frame, a longitudinal adjustment device on the frame, a transverse adjustment device on the longitudinal adjustment device, an automatic clamping assembly on the transverse adjustment device, a piercing adjustment device on the upper side of the automatic clamping assembly, a high-speed spindle on the piercing adjustment device, an ultrasonic vibration mechanism on the lower side of the high-speed spindle, an ultrasonic vibration drill bit on the lower side of the ultrasonic vibration mechanism, and a vision component on the piercing adjustment device. This utility model uses the ultrasonic vibration mechanism to drive the ultrasonic vibration drill bit to vibrate at high frequency, reducing cutting resistance and stress concentration during titanium-zirconium alloy piercing, reducing hole wall damage, and improving processing efficiency in conjunction with the high-speed spindle; at the same time, the centralized control of the PLC controller ensures that all mechanisms operate synchronously.

A paper pressing and feeding structure for a workbench of a cutting machine mainly comprises an X-direction driving mechanism, a Y-direction driving mechanism, a paper feeding mechanism, a pressure adjusting mechanism, a second-stage synchronous belt wheel, a first-stage synchronous belt wheel, a motor support, an X-direction driving motor and a tensioning wheel support of the X-direction driving mechanism, and a cutting trolley, a Y-direction driving motor and a cross beam assembly of the Y-direction driving mechanism. The paper feeding mechanism comprises an upper paper pressing shaft assembly, a lower paper pressing shaft assembly, a lower paper pressing bearing seat, a rubber wheel, a thorn wheel and an end bearing, and the pressure adjusting mechanism comprises a resistance tension spring, a pressure adjusting bolt, a pressure spring, a guide column, a pressing block, a sliding plate, an upper fixing plate and a lower fixing plate. The problem that the cutting quality is affected due to offset in the paper cutting process caused by non-uniform pressing force of the paper is solved; the multiple sets of adjustable pressure springs apply pressure to the end bearings of the upper paper pressing shaft assembly, and proper pressing force can be adjusted according to needs.

The invention belongs to the technical field of textile finishing, and particularly relates to a processing technology for improving ageing color matching of digital printing. Comprising the following processes of singeing, desizing and scouring, oxygen bleaching, mercerizing, pre-tentering, tentering and sizing, digital printing, ageing, loose washing, tentering and preshrinking. A feed liquid used in the tentering and sizing process comprises 3-8 g / L of a defoaming agent, 5-10 g / L of anhydrous sodium sulphate, 25-35 g / L of baking soda, 80-150 g / L of urea and 80-120 g / L of ARJ; in the ageing process, a cloth feeding mode comprises double-layer cloth feeding and double-layer tension applying cloth feeding, the ring length of a hanging rod is 1-2 m, the rotating speed of the hanging rod is 12-36 r / h, and the rotating speed of a circulating fan is 20-30 Hz. The method can effectively improve white-ground or light-ground digital printing ageing color matching, so that the appearance of the aged cloth is free of color matching and miscellaneous points, and a high-quality digital printing product can be obtained.

The utility model discloses a laser cladding synchronous gas cooling device which comprises a gas storage bottle, a gas pipe, a joint, a spiral copper pipe, a liquid nitrogen tank, a base plate, a rotating shaft bracket, a pressing strip, a base plate bracket, a pressing plate screw, a fastening screw, an XY mobile platform, an adjustable bracket, a fixing screw, a gas blowing port, a supporting plate, a bracket and a leveling base. A gas inlet of the spiral copper pipe is connected with a gas storage bottle through a gas pipe, an outlet of the spiral copper pipe is connected with a gas blowing opening in the XY moving platform, and a fixed base plate support is arranged above the XY moving platform. In the cladding process, synchronous following cooling is carried out at a certain distance behind a heat source, most of heat is rapidly taken away, an effective chilling effect is achieved, control over residual stress and deformation of a base plate is facilitated, the cooling speed of a molten pool is increased through following chilling, and therefore the purpose of refining grains is achieved, and the cladding quality is improved.

An automatic adjusting mechanism of an adsorption type single-sheet machine paper pressing system comprises a side wall plate, a plurality of independent upper paper pressing wheel shaft operation mechanisms, a plurality of sets of transmission swing arm assemblies, a second-stage transmission belt wheel, a first-stage transmission belt wheel, a motor installation support, an X-direction driving motor, an upper paper pressing wheel shaft, a lower paper pressing wheel shaft and a working platform. A plurality of groups of upper paper pressing wheel shafts and the V-shaped sliding blocks at the two ends are installed and assembled into a whole, the upper paper pressing wheel shafts can move up and down through four guide columns which are provided with linear bearings and are installed between the fixing plates on the two sides and the working platform, and the moving displacement of the upper paper pressing wheel shafts is limited by limiting sleeves. A plurality of groups of adjustable pressure springs are adopted to apply pressure to an end bearing of the upper paper pressing shaft assembly, and proper pressing force can be adjusted according to needs.

The present invention relates to the technical field of laser cutting machine tools, and in particular to a dust suction and cooling laser cutting machine tool, comprising a working platform and an air inlet and an air outlet located on both sides of the working platform, and a fan is arranged between the air inlet and the air outlet, a filter box is arranged between the air inlet and the fan, and a cooling box is arranged between the air outlet and the fan, the dust and hot air on the working platform are flowed through the air inlet and the filter box by the fan to filter and dust suction, and the filtered hot air is flowed through the cooling box and blown out from the air outlet by the fan to cool the workpiece and the environment on the working platform, and the dust and hot air are blown to the air inlet, so that the workpiece and the environment can be dust suctioned and cooled after cutting. The air inlet is divided into three air inlet areas, and the air outlet is divided into three air outlet areas and corresponds to the air inlet areas one by one, so that the working platform can be dust suctioned and cooled in different areas, so when processing to other areas, the processed area can be dust suctioned and cooled.

The present invention relates to the technical field of vehicle shock absorption, and in particular, to an air spring and a vehicle. The air spring comprises a first connecting seat, a second connecting seat, an airbag assembly, a casing assembly and a protective cover assembly. One end of the airbag assembly is detachably connected to the first connecting seat, and the other end is detachably connected to the second connecting seat, and the airbag assembly is located inside the casing assembly. The first protective cover unit of the protective cover assembly is located between the two second protective cover units and is fixedly connected to them. The casing assembly is located inside the first protective cover unit. The protective cover assembly has a wavy wall in a cross section parallel to its own axis, and the spacing between adjacent wave peaks of the wall of the second protective cover unit is greater than the spacing between adjacent wave peaks of the wall of the first protective cover unit. The cavity between the protective cover assembly and the casing assembly is connected to the air hole, thereby solving the problem that the protective cover of the air spring is easily damaged.

The utility model discloses a travelling crane wheel set device, which belongs to the technical field of crown block wheels, and comprises a wheel axle, a first mounting position and a second mounting position for a travelling crane wheel; the bearing assembly comprises bearings, bearing sleeves and gaskets, the first mounting position and the second mounting position are connected with the bearings in a shaft sleeve mode, the bearing sleeves are connected to the peripheries of the bearings in a sleeving mode, and wheel seats are mounted in the peripheries of the bearing sleeves; the gasket is arranged between the wheel seat corresponding to at least one of the first mounting position and the second mounting position and the bearing sleeve, and the relative deviation position of the wheel seat corresponding to the first mounting position or the second mounting position can be changed by adjusting the thickness of the gasket corresponding to the first mounting position or the second mounting position so as to adjust the levelness of the travelling crane. The problem of adjusting the levelness of the wheels of the crown block can be solved, the levelness of the wheels of the crown block can be adjusted to a better state in time, synchronous operation of the wheels on the two sides of the crown block is maintained, smooth work of the crown block is maintained, and safety risks caused by abnormal operation are reduced.

The invention discloses a device for conveniently cleaning dirt of a reciprocating hot pressing die in pulp molding production, and relates to the technical field of pulp molding production. The problems of waste slurry accumulation and smudginess in the mold are solved. The device specifically comprises a machine table, supporting frames are connected to the two sides of the top of the machine table through bolts, a top table is connected to the tops of the supporting frames through bolts, hot-pressing male dies are arranged on the two sides of the top of the machine table, a hot-pressing female die is arranged on the outer wall of the top of the top table, a pulp box is arranged on the outer wall of the middle of the top of the machine table, and a pulp suction die is fixedly connected to the top of the pulp box; the top of the hot-pressing female die is fixedly connected with a hot-pressing female die base. The requirement of different products for adaptively preventing waste slurry and dirt from being attached to the mold is met, airflow is exhausted through the air holes in the communicating groove of the hot-pressing male mold, an air curtain is formed around the mold, accordingly, the waste slurry and the dirt are prevented from falling onto the hot-pressing male mold, and heat preservation can be conducted for the products through the air curtain, and conduction of the temperature in the mold to the outside is prevented.

The present invention discloses a fan-shaped clamp for a spinning mold, comprising a balancing pressure plate, a pressure dividing connecting plate is fitted on the upper part of the balancing pressure plate, a positioning plate is fitted on the upper part of the pressure dividing connecting plate, a pressure rod is equidistantly and movably mounted inside the positioning plate with the center of the positioning plate as the axis, a rotating upper mold plate is fitted on the lower part of the balancing pressure plate, a first rotating mold fan-shaped clamp and a second rotating mold fan-shaped clamp are movably mounted on the lower part of the rotating upper mold plate, and a spinning mold lower mold is fitted on the bottom of the second rotating mold fan-shaped clamp. The pressure rod is forced downward by a booster component to provide sufficient force for the positioning plate, thereby ensuring that the first rotating mold fan-shaped clamp can move downward and clamp the fan-shaped mold, and the first rotating mold fan-shaped clamp and the second rotating mold fan-shaped clamp rotate synchronously to ensure that the mold blank has the ability to stably rotate during the process of being clamped by the first rotating mold fan-shaped clamp and the second rotating mold fan-shaped clamp.

The invention relates to the technical field of corrugated pipe machining, in particular to a follow-up type rotary cutting device applied to corrugated pipe machining, which comprises a main frame, a first electric control conveying belt and a second electric control conveying belt, the first electric control conveying belt and the second electric control conveying belt are mounted on the main frame, and a sliding type translation guide seat is mounted on the main frame and positioned between the first electric control conveying belt and the second electric control conveying belt. According to the follow-up type rotary cutting device applied to corrugated pipe machining, the external surrounding type structural design is adopted, fixing can be conducted on the outer side of a corrugated pipe, then cutting is conducted along the periphery of the corrugated pipe, and therefore the cutting precision is improved; the whole equipment is directly integrated on conveying equipment, the corrugated pipes on the conveying equipment can be directly operated, and the machining efficiency and the function integration degree are greatly improved.

The utility model discloses a kind of lightweight permanent magnet synchronous traction machine, it is related to traction machine technical field, including traction machine shell, stator and rotor are equipped in the inside of traction machine shell, wherein stator is fixed in the inside of traction machine shell;The rotor of the rotor traverses stator inside, and the both ends of rotor are respectively connected with traction machine shell and outer end plate by bearing cooperation;The outer end plate is fixed by bolt with traction machine shell;The rotor one end cooperation is installed with traction wheel, and the other end is equipped with shaft brake mechanism;The utility model, when traction machine is power failure, the magnetic field of magnetic yoke disappears, armature is forced under the top of spring cone-shaped brake disc and cone-shaped friction disc friction, to realize the shaft brake of rotor;This stop mode is directly acted on shaft, relatively simple structure, the number of parts is less, fault point also correspondingly reduces, and reliability is higher;And the braking mode of shaft brake assembly makes braking process more stable, noise is smaller, it is favorable to create quiet living environment.