31results about How to "Realize automatic compensation" patented technology

The utility model relates to the technical field of centrifugal pumps, in particular to a mechanical sealing device for a multi-stage centrifugal pump, which comprises a middle shaft, a fixed spring seat, a first limiting piece, a spiral spring, a movable spring seat, a second limiting piece, a clamping block, a movable sealing ring, a clamping groove, a concave clamping groove, a gasket, a convex clamping block, a static sealing ring, a U-shaped clamping groove, a sealing ring, a static ring seat and the like. The spiral spring is arranged in the middle shaft in a penetrating mode through the fixed spring seat and the first limiting piece which are installed on the outer side of the middle shaft, and one end of the spiral spring is arranged on the outer side of the first limiting piece in a sleeving mode and abuts against the fixed spring seat. In the using process of the mechanical sealing device, the spring installation mode is rapid and convenient, proper pressing force can be provided when one side of the movable sealing ring is abraded, automatic compensation of the axial friction face is achieved, and the service life of the mechanical sealing device is prolonged. And the use effect of the sealing device is guaranteed.

The utility model relates to the technical field of belt conveyor cleaning, in particular to a rhombic two-way operation belt conveyor empty section cleaning device which comprises a sweeper frame and a material cleaning plate, the sweeper frame comprises a rhombic inner frame and an outer pressing plate, and the material cleaning plate is fastened through the outer pressing plate and a bolt assembly after being attached along the outer wall of the rhombic inner frame. The interior of the rhombic inner frame is movably connected with a belt conveyor carrier roller beam through a hanging bracket. The belt cleaning device can be suitable for cleaning a bidirectional running belt, avoids repeated disassembly, assembly and debugging due to the change of the running direction of the belt conveyor, is better attached to the surface of the belt, is better in cleaning effect, and improves the applicability of the belt cleaning device.

The invention belongs to the technical field of numerical control floor type boring and milling machine spindle box balance adjustment, and provides a spindle box inclination compensation method which is characterized in that an inclination angle sensor is installed at the front end of a spindle box and used for measuring the inclination angle alpha of the spindle box, and the spindle box is connected with a balancing weight through a steel wire rope and a pulley; an oil cylinder is arranged at a front lifting point of the spindle box, a steel wire rope is connected with an oil cylinder piston, a rod cavity of the oil cylinder is connected with a port A of a proportional valve, and the proportional valve controls flow of flowing-in and flowing-out hydraulic oil to adjust the position of the piston so as to adjust the inclination angle of the spindle box. According to the spindle box inclination compensation method, automatic measurement and automatic compensation of inclination of the spindle box can be effectively achieved.

The invention relates to a display picture processing method and device, electronic equipment and a vehicle, and relates to the technical field of image processing, and the method comprises the steps: obtaining the first ambient brightness outside the vehicle, the second ambient brightness inside the vehicle, and a target image containing the face area of a driver; determining the driving sight line direction of the driver by analyzing facial features contained in the target image; adjusting the screen brightness of a target display screen to the first ambient brightness in response to the change of the driving sight line direction from the area outside the vehicle to the display area of the target display screen; and in response to the change of the driving sight line direction from the display area of the target display screen to the area outside the vehicle, adjusting the screen brightness of the target display screen to the second ambient brightness. According to the method, automatic compensation of the brightness of the display screen is realized through detection of the sight direction of the driver and automatic sensing of the environment inside and outside the vehicle, and the visual zoom feeling of the driver can be reduced in the dynamic environment of the vehicle, so that the driving experience of a user using the electronic rearview mirror is improved.

The invention discloses an intelligent power transmitting device for measuring and controlling a generator set, which comprises an external mutual inductor circuit, a signal input card, a signal processing card, an analog quantity output card, a man-machine interaction card, a communication interface card and a dual-power supply module, and is characterized in that the external mutual inductor circuit comprises two voltage transformers and two current transformers; the device is divided into a measurement level and a protection level, a measurement-level mutual inductor is generally used for measuring voltage and current of a power grid generator side in the working process, when the measurement-level mutual inductor breaks down or sends disturbance, the measurement-level mutual inductor is automatically switched to the protection-level mutual inductor, normal operation of the device is guaranteed, meanwhile, a disconnection alarm function is achieved, and the operation reliability of the device is further guaranteed. Double power supplies are adopted for supplying power, the primary frequency modulation function is achieved, and the reliability of the device is greatly improved.

The invention relates to the technical field of water heater temperature control valves, in particular to a water storage type water heater intelligent temperature control valve structure which comprises a transverse pipe, a vertical pipe is arranged on the transverse pipe, a cold water connector and a hot water connector are arranged on the two sides, located on the vertical pipe, of the transverse pipe respectively, and a flow temperature controller is arranged in the transverse pipe. The flow temperature controller comprises a partition plate jointly arranged in the vertical pipe and the transverse pipe, the partition plate divides the transverse pipe and the vertical pipe into a cold water cavity and a hot water cavity, the cold water cavity is located on one side of the cold water connector, the hot water cavity is located on one side of the hot water connector, and a connecting rod located in the transverse pipe penetrates through the partition plate in a sliding mode; when the hot water flow is large, the moving stroke of the water baffle plate pushed by the hot water flow is long, and the cold water flow is correspondingly increased, otherwise, when the hot water flow is small, the moving stroke of the water baffle plate pushed by the hot water flow is short, and the cold water flow is correspondingly reduced, and no matter how the hot water flow changes, the cold and hot water flow proportion is always kept constant. Therefore, the stability of the outlet water temperature is ensured.

The invention discloses an automatic compensation method for a three-axis magnetic field of an atomic spin inertial measurement device. The method can quickly and accurately compensate the three-axis magnetic field. According to the method, compensation of a Z-direction magnetic field is realized by measuring a three-axis residual magnetic field through a dichotomy, and simultaneous compensation of an X-direction magnetic field and a Y-direction magnetic field is realized through a non-orthogonal decoupling measurement method. The method is reasonable, the experimental operation is simple, the method is suitable for an atomic spin inertial measurement device based on an alkali metal electron spin and inert gas nuclear spin coupling ensemble, the three-axis magnetic field can be rapidly, accurately and automatically compensated in real time, a basis is provided for development of a high-precision atomic spin inertial measurement device, and the workload of device debugging is greatly reduced.

The invention relates to the technical field of power distribution cabinets, in particular to a fuse compensation structure and method of a load-end drawer type power distribution cabinet, and the structure comprises a box body which is internally provided with a plurality of groups of drawable drawers; the pulley is rotatably mounted on the drawer, and the pulley is in rolling fit with a guide piece arranged on the inner side of the box body, so that the drawer can be kept in a horizontal state; the side plate is arranged in the box body, an elastic triggering assembly capable of horizontally moving is arranged on the side plate, and the elastic triggering assembly is matched with an energy storage groove formed in the side plate, so that the elastic triggering assembly has the trend of actively moving towards the end part of a movement stroke; the lifting plate is arranged on the elastic triggering assembly in a sliding mode and connected with the side plate through a follow-up structure, the follow-up structure can drive the lifting plate to ascend or descend relative to the pulleys when the elastic triggering assembly acts, and the stability after the drawer is pulled open is improved.

The present invention relates to a microwave energy beam pointing control method for a space solar power station, in which a microwave energy receiving end emits a guided beam, and a guided beam receiving antenna is arranged at the center of each antenna subarray of the microwave energy transmitting end. The control circuit automatically calculates the conjugate phase corresponding to the phase of the received signal according to the received guided beam, and the conjugate phase is used as the reference phase of the antenna subarray; an angle measuring device is arranged around each antenna subarray, and the attitude deviation of the antenna subarray relative to the reference position is calculated by receiving the guided beam. On the basis of ensuring that the center is the reference phase, the phase of each radiation unit inside the antenna subarray is adjusted, so that the transmitting beam direction of the antenna subarray automatically corrects the beam direction change caused by the attitude deviation of the antenna subarray. The present invention realizes the conjugation of the antenna subarray reference phase and the simultaneous correction of the antenna subarray beam direction based on the guided beam, making the long-distance microwave wireless energy transmission of the space solar power station feasible.

The embodiment of the application provides a kind of multi-station press balancer air pressure's adjusting method, system, equipment and medium, belong to multi-station press field.It includes: the mass parameter of the mould on each station of multi-station press, center of gravity offset, the structural parameter of balancer, the distance from balancer to slider center, no-load air pressure and safety air pressure parameter;According to the above parameters, the required off-load compensation force of balancer is calculated, and the target air pressure value required by balancer is calculated in combination with no-load air pressure;And based on target air pressure value and safety air pressure parameter, determine the upper and lower limit of air pressure;The actual air pressure value of left and right balancer is collected in real time by pressure sensor;And compare actual air pressure value with air pressure upper and lower limit, based on operating state and comparison result control air intake or exhaust.Can realize the automatic compensation of multi-station press off-load, avoid the eccentric force of slider caused by the weight difference of mould, improve the running safety, stability and die changing efficiency of press.

The embodiment of the invention provides a laser operation control method and device, a laser monitoring circuit and a storage medium, and relates to the technical field of optical communication. According to the method, the anode of a laser is connected with a positive voltage source, the cathode of the laser is connected with a current detection module in series, and a signal conditioning module is combined to accurately amplify sampling voltage, so that an MCU can acquire and calculate an actual bias current value with high precision, and a control instruction is generated based on the deviation between the value and a preset target value; and the negative power supply voltage output to the cathode of the laser by the voltage regulation module is dynamically regulated to form closed-loop feedback control, so that the real-time monitoring and automatic compensation of the bias current are realized, the current drift caused by temperature change and device aging is inhibited, the stability of the working point of the laser is ensured, and the long-term reliability of the light emitting power and the extinction ratio is improved.

The invention provides a wheel end power supply device, a wheel assembly, a vehicle and a wheel end power supply method.The wheel end power supply device comprises a shell used for being fixed to brake calipers, and a containing cavity is formed in the shell; the worm is arranged in the containing cavity, and the first end of the worm penetrates through and is exposed out of the shell; the driving assembly is arranged in the containing cavity and drives the worm to ascend or descend; the disc spring is fixedly connected with the first end of the worm; the two contact heads are fixedly connected with the surface of one side, back on to the worm, of the disc spring; and the two power receiving guide rails are used for being fixed to the inner side of the rim and are arranged corresponding to the two contact heads. According to the invention, the driving assembly is used for driving the worm to ascend, so that the disc spring and the contact head are driven to ascend, the contact head is in contact with the power receiving guide rail, the disc spring deforms, and when the power receiving guide rail generates a movement trend of separating from the contact head, the disc spring restores partial deformation and pushes the contact head to be in close contact with the power receiving guide rail. And good contact between the contact head and the power receiving guide rail can be kept all the time.

The invention belongs to the technical field of wheelchair accessories, and discloses a wheelchair auxiliary obstacle crossing device which comprises a front torsion beam, a rear torsion beam is fixedly mounted at the rear end of the front torsion beam, a locking frame is fixedly mounted in the middle of the top end of the front torsion beam, and a linkage assembly fixedly sleeves the inner side face of the locking frame. The positions, close to the left side and the right side, of the top end of the front torsion beam are movably sleeved with linkage frames, and the bottom ends of the linkage frames penetrate through the bottom end of the front torsion beam and are fixedly connected with a front mounting frame. According to the invention, through the cooperation between the auxiliary wheel on the L-shaped frame and the second lug plate and the cooperation between the first lug plate and the self-adaptive assembly, it is ensured that the rear driving wheel shell is always in contact with the ground during obstacle crossing, and the contact area can be increased through the auxiliary wheel, so that the problem that part of tires are suspended during obstacle crossing of a traditional wheelchair is avoided; the stability during obstacle crossing can be kept, and the safety of the handicapped during traveling is improved.

This invention discloses a snap-fit ​​high-precision countersinking tool for use in the field of countersinking tools, including a radial tool delivery transmission structure. The radial tool delivery transmission structure includes a tool slide that meshes with a toothed gear and a half-tooth gear. The tool slide achieves radial tool delivery via a transmission shaft and transmission components, and returns to its original position after delivery with the help of a tension spring. It also includes a pressure sensor and a sensing column for detecting displacement pressure changes, and a tool feed control unit that adjusts the position of the support unit via a cylinder insert. This improves machining accuracy and efficiency, ensuring that the tool body accurately reaches the preset working height each time it is delivered, effectively reducing machining depth deviation caused by tool wear. Simultaneously, the pressure detection of the sensing unit and the closed-loop feedback mechanism of the tool feed control unit enable real-time verification and automatic compensation of tool displacement, effectively reducing manual intervention and downtime.

This utility model relates to a ring saw, including a ring saw blade, a body, a head shell disposed at the front end of the body, a drive wheel disposed on the head shell, and a saw blade positioning mechanism connected to the head shell. The drive wheel is driven by a drive device disposed within the body and is pulsatorically connected to the ring saw blade. The saw blade positioning mechanism includes a housing connected to the head shell, two positioning wheels disposed on the housing and positioning the ring saw blade, and two tensioning wheel assemblies disposed on the housing. Each of the two tensioning wheel assemblies includes a bushing and a tensioning wheel rotatably disposed on the bushing. The two positioning wheels and the two tensioning wheels are symmetrically disposed on both sides of the ring saw blade and in surface contact with it. The housing has two sliding cavities, each of which is slidably connected to a sliding seat integrally formed with the corresponding bushing. This utility model not only achieves automatic tension compensation but also has the advantages of simple structure and low cost.

The invention discloses a submerged arc welding trolley and method for automatic compensation of weld deflection based on visual detection, comprising a welding trolley body equipped with a visual weld sensing unit, a three-dimensional position compensation device, a welding unit and a control unit, wherein the three-dimensional position compensation device is located above the welding trolley body, and adjusts the position deviation of the welding unit gun head relative to the weld center; the welding unit is located above the three-dimensional position compensation device, and the welding of the weld is realized by the control unit; the visual weld sensing unit is located on the side of the welding unit, and identifies and tracks the weld of the welding unit; the control unit is used to obtain the weld information of the visual weld sensing unit, set the process parameters of the welding unit, control the welding operation, control the three-dimensional position compensation device to implement the deviation correction of the self-adaptive material feeding error, the grouping and clamping error, and the welding trajectory error of the workpiece to be welded, and control the movement of the welding trolley. The trolley has a high degree of automation, a large adjustment range, strong versatility, and a low degree of manual intervention.

This invention discloses a liquid storage compensation device and its two-stage circulating liquid cooling system, relating to the field of liquid cooling heat dissipation technology. It includes a heat dissipation assembly comprising a housing body, heat sinks disposed within or connected to the housing body, at least one cooling fan, and a protective shell cooperating with the cooling fan; a liquid storage compensation tank; a first pipeline and a second pipeline communicating with the heat dissipation assembly and the liquid storage compensation tank; the liquid storage compensation tank being provided with a mounting plate for fixing the liquid storage compensation tank to a chassis, cabinet, or support structure; and a control plate disposed on the heat sinks, the control plate having a connection port and a diversion port, the connection port communicating with at least one of the first or second pipelines, and the diversion port diverting coolant entering through the connection port to multiple flow paths on the heat sinks.

The invention relates to the field of humanoid robots, and discloses a wheel-leg humanoid robot which comprises a robot body, mechanical legs are arranged at the bottom of the robot body, a sliding box is installed at the bottoms of the mechanical legs, a walking assembly capable of adjusting the height in a self-adaptive mode is arranged in the sliding box, and the robot can be driven to walk on various terrains. A protection frame is arranged on the outer wall of the robot body, a starting assembly and a main air bag are arranged in the robot body, the protection frame is in driving connection with the starting assembly, the main air bag is in sealed connection with the interior of the protection frame and is in fluid conduction with the interior of the protection frame, and the starting assembly is used for starting the main air bag to inflate the protection frame when it is detected that the robot topples over. The sliding box can drive the robot to walk on various different terrains, multiple applicability is achieved, the phenomenon of single use is avoided, meanwhile, the protection frame of the device can protect the robot when the robot inclines or falls down, and the phenomenon that the robot is damaged is prevented.

The utility model discloses a kind of for wind turbine gear box oil temperature automatic compensation device, including oil tank, including the box of rectangle, bottom interlayer being arranged at the bottom of box, resistance wire being arranged inside bottom interlayer;Adjusting component, including the top box being fixed in the top of box, solenoid valve being installed in the top box, the connecting pipe being connected in the bottom end of solenoid valve and extending into the inside of box;Through the design of curved heat dissipation copper pipe and resistance wire, can complete heat dissipation and heating to oil respectively, realize the automatic compensation to oil temperature, and when needing to carry out heat dissipation, oil can be made to carry out heat dissipation by curved heat dissipation copper pipe, when needing to heat, oil will not pass through curved heat dissipation copper pipe, this design makes the heat dissipation and heating of oil tank to oil carry out respectively in two different positions, and it is not only flexible and convenient to adjust, and will not interfere with each other, beneficial to the normal lubricating effect of gear box.

The invention discloses a distributed transaction processing method, device and equipment and a computer readable storage medium, and the method comprises the steps: obtaining business system information, routing layer application information and core layer cluster information corresponding to alarm information when the alarm information in an alarm Kafka cluster is received; determining a transaction state of a distributed transaction corresponding to the alarm information according to service system information, routing layer application information and core layer cluster information; based on the transaction state, determining whether the distributed transaction meets a preset compensation condition corresponding to two stages; and if the preset compensation condition is met, executing a second-stage service corresponding to the distributed transaction. According to the method, the second stage is triggered when the preset compensation condition is met, and automatic compensation of the distributed transaction is carried out, so that transaction compensation is carried out in the distributed transaction, and closed-loop processing of automatic compensation of the distributed transaction, the alarm information and the abnormal transaction is realized.

The invention discloses a polar zero cancellation circuit and method capable of automatically and correctly compensating, relates to the technical field of radiation measurement equipment, adopts a combination of a digital potentiometer and a high-speed comparator, realizes automatic compensation of the circuit, does not need complex calculation or tedious replacement process, and improves debugging efficiency. The output result can guide the improvement of a subsequent circuit, such as the simplification of the circuit. And when the output results are enough, empirical judgment can be given out according to the compensation effect of the pole zero cancellation circuit, and detection and maintenance of a part of circuits are facilitated. And the digital controllable potentiometer can select whether compensation is needed or not and the compensation effect according to the actual application requirement, so that the digital controllable potentiometer has a wide application range.

The utility model discloses a piezoelectric sensor. The piezoelectric sensor comprises a conversion module, a first signal amplification module and a charge compensation module, wherein the conversion module is used for receiving charges generated by a piezoelectric material, converting the quantity of the charges into a first voltage signal and outputting the first voltage signal; the first signal amplification module is used for receiving the first voltage signal, amplifying the first voltage signal into a standard industrial signal and outputting the standard industrial signal; and the charge compensation module is used for receiving the first voltage signal, generating a second voltage signal based on the voltage of the first voltage signal, and outputting the second voltage signal to the input end of the first signal amplification module so as to realize automatic compensation of the leakage charge quantity of the piezoelectric material. According to the piezoelectric sensor provided by the embodiment of the invention, a charge compensation function is introduced aiming at the characteristic that charge leakage occurs when a traditional piezoelectric sensor detects a static force, and when the static force is measured and the measuring force is not changed, the charge can be kept relatively unchanged, so that static measurement is completed.

The invention provides an LED lamp capable of automatically compensating thermal state color point deviation. The LED lamp comprises an LED light source and a compensation loop. The compensation loop is provided with a thermistor and a compensation light source in series, the thermistor is used for detecting the light emitting temperature of the LED light source, changing the resistance value of the thermistor according to the temperature change, and adjusting the light supplementing brightness of the compensation light source according to the resistance value change of the thermistor so as to keep the color temperature and the color point position of the light source output by the LED lamp basically unchanged before and after heating; by introducing the thermistor and the compensation light source, automatic compensation of color temperature and color point deviation after the LED light source is heated is achieved, the light emitting color quality of the LED lamp is improved, the price and cost of the compensation loop are low, and complex materials and processes are not needed.

The utility model discloses a tolerance compensator and an assembling component, and belongs to the field of compensators. The tolerance compensator includes a first compensation element and a second compensation element. The first compensation element comprises a first fastening piece, a second fastening piece and a locking piece, the first fastening piece is provided with an external thread, the locking piece is provided with an inner screw hole or an inner hole matched with the external thread, the second fastening piece is provided with a mounting cavity and a through hole communicated with the mounting cavity, and the first fastening piece penetrates through the through hole and is in threaded screwing with the locking piece; an elastic compensation part is arranged on the outer circumference of the second compensation element, the elastic compensation part is located in the installation cavity and abuts against the inner cavity wall of the installation cavity, the locking piece is arranged on the second compensation element in a penetrating mode, and one end of the second compensation element abuts against the end, close to the second component, of the second fastening piece. The tolerance compensator provided by the utility model can realize automatic tolerance compensation.

The present invention discloses a laser radar, equipment and a method for calibrating the installation angle of the laser radar. The laser radar includes: an inclination sensor, a controller, a driver and a scanner; wherein the inclination sensor, the controller, the driver and the scanner are connected in series in sequence; the inclination sensor is used to detect the installation angle of the laser radar; the controller is used to obtain the actual deflection angle of the scanner according to the installation angle and the target inclination angle of the laser beam emitted by the scanner, and generate a driving instruction carrying the actual deflection angle; the driver is used to drive the scanner to deflect the actual deflection angle according to the driving instruction. The technical solution provided by the embodiment of the present invention realizes automatic compensation for the installation error of the laser radar, without manual labor consumption and short working hours, and has high measurement and debugging accuracy.

The utility model relates to control valve technical field, concretely is a kind of flat plate type high wear-resisting multiway distribution valve, including valve body, the inside of valve body is equipped with multiple valve core driven by driving rod drive to advance, the side of valve body is fixed with valve cover, the inside of valve cover is fixed with sealing seat, sealing seat is equipped with the valve cavity corresponding with valve core position one to one, the inside of every valve cavity can detachably install wear-resisting nested ring, the inside of wear-resisting nested ring is embedded and is installed with flexible sealing ring, and the rear end of every valve core is equipped with the self-adapting compensation mechanism by auxiliary sealing snap ring and spring piece. The flat plate type high wear-resisting multiway distribution valve effectively improves the wear resistance and sealing reliability of valve core and valve body mating surface, reduces internal leakage, improves control accuracy, prolongs service life, and is suitable for stable operation under high-frequency commutation and high-pressure working condition.

The utility model relates to exhaust treatment technical field, and specifically volatile organic compound condensing device, including casing, one end wall of casing is equipped with waste gas inlet pipe, and the other end wall is equipped with waste gas outlet pipe, the casing is equipped with the baffle of radial extension, is equipped with a plurality of first holes on the baffle, and the baffle divides the inner chamber of casing into first cavity and second cavity, is equipped with the flow uniforming spare in the first cavity, and the flow uniforming spare includes a plurality of concentric setting conical cylinder, and the major diameter end of conical cylinder is fixed with the baffle, and the minor diameter end of conical cylinder corresponds with waste gas inlet pipe and has interval, and the interval between adjacent two conical cylinders gradually reduces from outside to inside, and the length of a plurality of conical cylinders gradually becomes short from outside to inside, and is equipped with at least one group of condensing pipe and trapping spare in the second cavity, and it is through the flow uniforming spare in the first cavity and the baffle cooperation, makes the waste gas after entering the casing and be evenly distributed, improves the condensing efficiency and improves gas-liquid separation effect.

The utility model discloses a valve rod packing sealing mechanism, which relates to the technical field of valves, and comprises a valve body, a valve rod, packing and a gland, a packing cavity is formed between the valve rod and the valve body, the packing is filled in the packing cavity, the packing is formed by stacking a plurality of packing units, each packing unit comprises an inner lantern ring, an outer lantern ring, a telescopic waist drum pad and two sealing pads, the inner lantern ring and the outer lantern ring are coaxially arranged, the inner lantern ring is attached to the outer circumferential face of the valve body, the outer lantern ring is attached to the inner circumferential face of the valve body, the telescopic waist drum pad is filled between the inner lantern ring and the outer lantern ring, the section of the telescopic waist drum pad is in a waist drum shape, and the telescopic waist drum pad is pre-compressed in the direction perpendicular to the axis of the valve body. The two sealing pads are located on the upper side and the lower side of the telescopic waist drum pad respectively, and the gland is arranged on the valve body and abuts against the top end of the filler. The packing disclosed by the utility model has good wear resistance, can realize compensation and seal a gap when wear occurs, has better sealing performance, and is convenient for knowing the wear condition of the packing in time.

The utility model discloses quick butt welding equipment for PVC (polyvinyl chloride) pipes, which comprises a base, a heating module, a clamping mechanism and a control system, guide rollers with V-shaped grooves are arranged at two ends of the base, and the quick butt welding equipment can adapt to axial positioning of different pipe diameters; the heating module is of a vertically symmetrical heating block structure, the inner surface of the heating module is covered with an elastic heat conduction pad, independent temperature control heating units are evenly distributed in the circumferential direction of the interior of the heating module, and accurate pressure control is achieved through a driving air cylinder. The clamping mechanism is provided with a bidirectional lead screw to drive a synchronously adjusted fixing clamp and is combined with a laser centering sensor to realize automatic alignment of the end face of the pipeline; the control system integrates temperature, pressure and photoelectric sensing modules and monitors welding parameters in real time. The equipment has the characteristics of rapid remodeling and multi-specification compatibility, the welding quality is improved through partition temperature control and a flexible heat conduction structure, and the problems that traditional PVC pipe welding is low in efficiency and large in alignment deviation are effectively solved.