309results about How to "The installation is firm" patented technology

The invention provides an installation structure and method for a washing machine display screen. A washing machine comprises a control panel; an installation frame and a packaging support frame which bulge towards the interior of the washing machine are arranged on the back surface of the control panel; the installation frame is arranged in the packaging support frame; a display screen is fixedly mounted in a hollow portion of the installation frame; a groove-shaped sealing cover is arranged on the periphery of the display screen; and the sealing cover is arranged between the packaging support frame and the installation frame in a buckling manner so as to package the display screen. According to the invention, the display screen is arranged in the chamber between the washing machine control panel and the sealing cover, so that the display screen is completely isolated from washing water in the washing machine or water vapor which may be generated by the washing water, display or touch faults can be avoided as the water and water vapor are prevented from entering the display screen, and the reliability and the service lifetime of the touch display screen are improved and prolonged. More especially, the display screen is fixedly connected to the control panel through a buckling connection manner instead of a bolt connection manner, so that the process is simplified, and the efficiency is improved. Furthermore, the installation structure is simple, has substantial effects, and is suitable for popularizing and using.

The invention discloses an oil and gas transport pipeline installing and fixing device, and belongs to the technical field of oil and gas transportation. The screwing direction of a connecting threadbetween an upper adjusting rod and a middle adjusting cylinder is opposite to the screwing direction of a connecting thread between a lower adjusting rod and the middle adjusting cylinder, and in theinstallation and maintenance process a worker can rotate the middle adjusting cylinder clockwise or anticlockwise to adjust the length of parts, inside the middle adjusting cylinder, of the upper adjusting rod and the lower adjusting rod, so that the installation height of the pipeline fixing device can be adjusted according to needs so as to adapt to an installation foundation with uneven heightin the field installation environment of the oil and gas transport pipeline; and meanwhile, a left auxiliary positioning block and a right auxiliary positioning block are movably arranged on a left side plate and a right side plate respectively, and the oil and gas transport pipelines with different diameters can be reliably fixed on the pipeline fixing device in the left-right direction through the adjustment of the installation positions of the left auxiliary positioning block and the right auxiliary positioning block.

The invention discloses an LED bulb lamp capable of achieving automatic assembly. The LED bulb lamp comprises a shell and a light-transmitting cover arranged at the upper end of the shell, wherein a light source installation base is arranged in the shell, a first cavity is formed between the light source installation base and the light-transmitting cover, a light emitting assembly is arranged in the first cavity, a second cavity is formed between the light source installation base and the shell, and a control circuit board electrically connected with the light emitting assembly is arranged in the second cavity. The LED bulb lamp is characterized in that the shell is provided with a limiting identification notch, and a first limiting mechanism used for fixing the control circuit board and a second limiting mechanism used for installing the light source installation base are arranged in the shell. The LED bulb lamp has the advantages that by means of the limiting identification notch formed in the shell, the first limiting mechanism arranged in the shell and used for fixing the control circuit board and the second limiting mechanism arranged in the shell and used for installing the light source installation base, assembly of the whole bulb has the locating standard, automatic feeding and automatic assembly can be achieved, manual participation is effectively reduced, production cost is reduced, and production quality is improved.

The invention discloses an anti-vibration automobile audio-video navigator which comprises a display device, a navigation mainframe and a supporting frame. The supporting frame comprises a main installing plate and an auxiliary supporting plate, wherein a U-shaped positioning groove and a first installing hole are formed in the auxiliary supporting plate, a U-shaped rubber damping block is arranged on the U-shaped positioning groove, and a first damping sleeve is arranged in the first installing hole. A second installing hole is formed in the lower side portion of the main installing plate, and a second damping sleeve is arranged in the second installing hole. The U-shaped rubber damping block and the damping sleeves are respectively arranged in the positioning groove and the installing holes, accordingly vibration transferred to the installing portion of the automobile audio-video navigator is greatly damped, looseness and dropping of screws for connecting portions can be avoided, and installation, fixing and long-term stability and reliability of the automobile audio-video navigator can be ensured. In addition, the U-shaped rubber damping block and the damping sleeves enable the vibration transferred to the mainframe and the display device to be damped, and the problem of navigator information receiving-transmitting faults caused by automobile body vibration can be well eliminated.

The invention relates to a sandwich composite external wallboard, which is characterized in that the external wallboard comprises panels on two end faces; a lightweight aggregate concrete sandwich layer is filled between the panels; the middle of the sandwich layer is that a reinforcing mesh is embedded in a polystyrene foam board; and building lightweight aggregate concrete filled structures of ceramic particle, ceramic sand and pearlite are distributed on other parts of the sandwich layer. The novel composite external wallboard is rational in structural design and firm to install and fix. Besides the advantages of the current external wall body, the external wallboard has the advantages of good heat insulation coefficient, good wind resistant capacity, convenience and quickness for construction and installation, good joint integral firmness and stability and high integral intensity. The earthquake resisting capacity and the safety performance of buildings can be greatly increased.

The invention discloses an automobile panoramic sunroof assembly and an installation method of the automobile panoramic sunroof assembly. The automobile panoramic sunroof assembly comprises a panoramic glass assembly and a sunshade curtain assembly, wherein the panoramic glass assembly is arranged in a skylight opening of the roof of an automobile; the sunshade curtain assembly is arranged in the position, below the panoramic glass assembly, of the roof of the automobile; an appropriate gap is reserved between the sunshade curtain assembly and the panoramic glass assembly; the panoramic glass assembly comprises panoramic fixed glass; the panoramic fixed glass is adhered and fixed on a metal plate at the edge of the skylight opening through glass-structured glue. The automobile panoramic sunroof assembly disclosed by the invention has the advantages that the automobile panoramic sunroof assembly can be flexibly, reliably and fixedly connected with an automobile body, the panoramic fixed glass has enough rigidity and strength, the installation is fixed and reliable, the installation operation is convenient, and the manufacture cost is low; meanwhile a sunshade curtain has a compact structure, therefore more ideal sitting space can be also obtained while a maximal light-transmitting area of a passenger compartment is guaranteed, and stronger application prospects for marketing promotion are obtained.

The invention provides an automatic connection machine for the straight thread sleeve of a reinforcing bar. The automatic connection machine comprises a case, a machine head system, a hydraulic locking system, a power system and a control system, wherein the hydraulic locking system, the power system and the control system are arranged in the case; the hydraulic locking system and the power system are connected with the control system separately; the machine head system is arranged on the case, and comprises reinforcing bar clamps arranged at the head side and the tail side of the machine head system, and a rotary installation mechanism arranged between the reinforcing bar clamps; the hydraulic locking system is connected with the reinforcing bar clamps; the reinforcing bar clamps are capable of moving in a direction away from or close to the rotary installation mechanism; and the power system is connected with the rotary installation mechanism. The automatic connection machine provided by the invention has the following beneficial effects: straight thread connection for the reinforcing bar is transformed into a mechanical process from a traditional manual process, and mechanized working is realized, so that the working efficiency is greatly increased, and the working quality is greatly improved; and the automatic connection machine is relatively simple in structure, high in working stability, and adaptive to connection for reinforcing bars with various diameters through axis replacement.

The invention discloses a seamless optical splicing method for 3*3 flat detectors. A symmetric prism structure is adopted for image plane light splitting, four flat detectors are arranged on an optical axis perpendicular transmission image plane, and five flat detectors are arranged on four side faces. A few of spliced structures are symmetric, simple and distributed in a centralized way, and energy is not lost after total-reflection total-transmission light splitting. The seamless splicing method can be applied to aviation and aerospace optical imaging, optical detection instruments and equipment and is particularly suitable for aviation and aerospace imaging photoelectric systems of extra-large flat detectors.

The invention discloses an adjustable glass edging device which comprises a working table. An installing plate is arranged on one side of the working table, two baffles are arranged on the side, far away from the working table, of the installing plate, two thread pressing rods are connected to the two baffles through threaded holes, a pressing plate is arranged at the ends, close to the installing plate, of the thread pressing rods, a supporting base is arranged on one side of the working table, and an adjusting device is arranged inside the supporting base; and a cavity matched with the adjusting device is arranged in the supporting base, the adjusting device comprises a transmission gear, a transmission rack, a balance gear, a supporting rod and an adjusting rod, and the transmission gear is arranged inside the supporting base. The adjustable glass edging device is simple in stricture and convenient to operate, the polishing angle of a polishing block can be adjusted according to production requirements quickly and conveniently, and the applicability is high; and meanwhile, installation and fixing are reliable, direct polishing and edge alignment can be carried out after rotary operation, the number of installing times is reduced, the time is saved, and the polishing efficiency is improved.

The invention relates to communication equipment and an indicating lamp mounting structure thereof. The indicating lamp mounting structure comprises light guide columns, a sealing piece and a pressing plate; one end surface of each light guide column is a light inlet surface, and the other end surface of each light guide column is a light outlet surface; each light guide column is inserted into a via hole in a side wall of a shell; the light outlet surfaces are exposed out of the shell; the sealing piece is provided with through holes matched with the light guide columns in shape; the sealing piece sleeves the light guide columns through the through holes, and is in tight fit with the light guide columns; one side of the sealing piece abuts against the side wall; the pressing plate is connected to the bottom surface of the shell; and the pressing plate extrudes the other side of the sealing piece, so that the sealing piece seals a gap between the light guide columns and the side wall. The indicating lamp mounting structure is positioned in the shell, and is reliable in structure connection, excellent in sealing effect, simple in structure and low in cost, and the conditions that screws are liable to get rusty due to be exposed out of the equipment and the sealing piece is liable to failure due to being exposed to external environment in a long time are avoided, so that the waterproof performance, the corrosion resistance and the reliability are improved.

The invention relates to the technical field of medical instruments, and particularly relates to an automatic puncture and analog sampling device for a vacuum blood collection tube. The device comprises a master control plate, an upper sliding mechanism, a lower sliding mechanism, a sampling needle clamp, a sampling needle, a blood collection tube holder, an installation plate, a hose and a wide-mouth bottle. The upper sliding mechanism and the lower sliding mechanism are arranged perpendicular to each other. The upper sliding mechanism comprises a first motor, a first lead screw, a first sliding block, a first sliding rail and a first proximity sensor. The lower sliding mechanism comprises a second motor, a second lead screw, a second sliding block, a second sliding rail and a second proximity sensor. The first proximity sensor, the second proximity sensor, the first motor and the second motor are all connected with the master control plate. According to the technical scheme of the invention, the vacuum blood collection tube can automatically realize the puncture and the analog sampling in a closed environment. Therefore, the device lays a foundation for the invention of air pressure automatic analog equipment used for detecting the negative-pressure capacity of a vacuum blood collection tube.

The invention provides a display screen module and a mobile terminal. The display screen module comprises a display screen body and a glass cover plate arranged on the display screen body in a covering mode; and thin film is arranged between the display screen body and the glass cover plate in a clamped mode, the light transmittance of the thin film is higher than a set value, the edges of the thin film stretch out of the edges of the display screen body and the edges of the glass cover plate, and the risk that a complete machine falls down to be shocked to enable the screen to be broken due to dispensed adhesive overflowing is avoided while firm installation and fixation of the display screen module with an extremely narrow side frame are guaranteed.

The invention relates to a battery module side plate and a manufacturing process thereof, which belongs to the technical field of battery modules. The side plate comprises a plate body, and an insulating film covering a side face of the plate body; the plate body comprises a main body plate, limiting plates arranged on the left end and the right end of the main body plate, and a support plate arranged on the lower end of the main body plate; the limiting plates and the support plate perpendicularly bend toward the same side of the main body plate; the insulating film covers the upper surface of the support plate and one side face, connected with the upper surface of the support plate, of the main body plate; two ends of the insulating film respectively extend to the outside of the end parts of the support plate and the main body plate, and are folded at the end part of the main body plate so as to cover the end part of the main body plate. The manufacturing process provided by the invention sequentially comprises material cutting, laminating, cooling, bending, clearing, and inspecting quality. The battery module side plate provided by the invention is high in structure strength andinstallation stability, and stable and reliable in insulation performance at the same time, so that the use stability of a whole battery module is ensured.

The invention discloses a cam-shaft bowl-shaped-plug press-mounting machine. The cam-shaft bowl-shaped-plug press-mounting machine comprises a rack (1) and an electric control cabinet (2). A clamping device (3) used for mounting and fixing a cam shaft is arranged on the rack (1), and a loading device (4) is arranged on the rack (1) and used for automatically and uninterruptedly conveying bowl-shaped plugs to a press-mounting device (5); and the press-mounting device (5) is arranged on the rack (1) and used for automatically absorbing the bowl-shaped plugs conveyed by the loading device (4), and the bowl-shaped plugs are mounted on the cam shaft in a pressed mode. According to the cam-shaft bowl-shaped-plug press-mounting machine, the press-mounting device can automatically absorb the bowl-shaped plugs, the bowl-shaped plugs can be automatically mounted in the cam shaft in a pressed mode, and the production efficiency is improved while the press-mounting precision is improved.

The invention discloses an air conditioner outdoor unit, an air conditioner and a snow removal method. The air conditioner outdoor unit comprises an outer casing, and a compressor, a fan, and a heat exchanger disposed in the outer casing; an outer peripheral wall of the outer casing forms an air inlet, and the heat exchanger is distributed along an inner peripheral wall of the outer casing; an airoutlet is formed on a front end surface of the outer casing, the fan is located at the air outlet, and an anemometer for detecting an air intake amount of the air inlet in a top region of the outer casing is disposed inside the outer casing. Automatic removal of snow for air conditioner outdoor units is realized, sufficient air intake is ensured to improve heat exchange efficiency, and improve user experience.

The invention relates to a source applicator for anal canal tumor radiotherapy, the source applicator comprises a cylindrical source applicator body of which the diameter is 3cm, wherein the front end of the source applicator body is a spherical arc, the front segment of the source applicator body is a right cylinder segment of which the length is 8.5cm, the right cylinder segment comprises the spherical arc at the front end, the rear segment of the source applicator body is bent in a manner of a 150-degree arc, the arc length of an introvert of an arc-shaped bent segment is 5cm, the source applicator body is internally and axially provided with three source applying tubes which are eccentrically arranged in a semicircle of the introvert side of the cross section of the source applicator body and distributed in a manner of a circular curve, and the distance between the center of each source applying tube and the outer wall of the introvert side of the source applicator body is 5.5cm; an arc between the circle center of the first source applying tube and the circle center of the second source applying tube is equal to an arc between the circle center of the second source applying tube and the circle center of the third source applying tube, and a central angle corresponding to the arc is 60 degrees. The source applicator has a good radiotherapy effect on nidus that part carcinoma of the anal canal spreads outside the anus edge, reduces the possibility of tumor recurrence and facilitates radical cure of the tumor.

The invention provides a double-magnetic-circuit two-end symmetric excitation cylindrical low frequency vibration calibration table with magnetic field tracking compensation, belonging to the field of vibration measurement technology. A cylindrical closed type magnetic field structure design is provided. Two cylindrical permanent magnets are symmetrically installed at two ends of a center magnet yoke and face magnetic poles. Two symmetric closed magnetic circuits are formed by magnet yokes. The magnetic induction intensity distribution with high uniformity is generated in air gaps. The surfaces of the magnet yokes adjacent to the air gaps are provided with an array type micro structure in the form of deep trenches, and the eddy current loss can be effectively inhibited. The center magnet yoke is provided with a compensation coil, and a formed compensation magnetic field carries out synchronous tracking compensation on the influence of an armature reaction. The organic integration design of air lubricated guide technology is employed, and outstanding electromagnetic drive mechanical performance and high movement guide precision are obtained at the same time. According to the double-magnetic-circuit two-end symmetric excitation cylindrical low frequency vibration calibration table, large stroke, high thrust, a linear electromagnetic driving force characteristic and high movement guide precision can be considered, and a high precision and large stroke high performance low frequency vibration calibration table technical scheme is provided for low-frequency / ultra-low frequency vibration calibration.

The invention relates to an air conditioner outdoor unit with an electric heating device. The air conditioner outdoor unit comprises a front panel, an annular air guiding ring and a heater arranged on the surface of the outer side of the air guiding ring. The air guiding ring is arranged on the front panel in the air outlet direction of a fan. The heater is connected with a power supply control device through a power wire. The heater is a soft belt body with the two ends connected through a locking device. The invention further provides a control system of the air conditioner outdoor unit with the electric heating device and a control method of the air conditioner outdoor unit with the electric heating device. The soft heater is arranged on the air guiding ring of the air conditioner outdoor unit, when an outdoor low-temperature air conditioner defrosts, the generator is electrified to work, the temperature of the air guiding ring can be effectively increased through the heat of the heater, steam produced during defrosting can be prevented from being frozen into ice on the air guiding ring, and the purpose of protecting safety running of the axial fan of the air conditioner is achieved.

The invention relates to a two-wheeled motorcycle, especially a two-wheeled motorcycle capable of employing gasoline and compressed natural gas as fuels and having hybrid power. The motorcycle comprises a frame, a gas cylinder, a fuel tank and a seat cushion fixed on the frame, and an engine hung and mounted on the frame. The frame comprises an upright pipe, upper beam pipes, a lower beam pipe and rear diagonal bracing pipes, the upper beam pipes comprise two pipes arranged along the longitudinal direction of the motorcycle, the gas cylinder is fixed on the upper beam pipes and between the two pipes, and between the upright pipe and the seat cushion. The inherent appearance structure of the original two-wheeled motorcycle can be substantially kept after the motorcycle being equipped with the gas cylinder and related accessories, which is acceptable to consumers.

The invention relates to the technical field of detection equipment, in particular to a leak detection device for a pump body and leak detection equipment. The leak detection device for the pump body comprises a leak detection table top, a positioning die, a pressing mechanism, a sealing mechanism, and an inflation detection mechanism; the positioning die is used for mounting the pump body and sealing a first port in the lower side of the pump body; the pressing mechanism is used for abutting against the upper end face of the pump body; the sealing mechanism comprises a plurality of sealing assemblies which are used for sealing ports in all the side faces of the pump body correspondingly; and the inflation detection mechanism is used for abutting against one port of the sealed pump body, inflating a cavity in the pump body and detecting the air pressure of the cavity in the pump body; wherein the first sealing assembly facing one side of the second connected port in the pump body comprises a first driving part, an arm plate and an elastic sealing plate, the arm plate is installed at the output end of the first driving part, the elastic sealing plate is installed on the arm plate, and the first driving part drives the arm plate to move, so that the elastic sealing plate abuts against and seals the second connected port of the pump body. According to the leak detection device for the pump body and the leak detection equipment, the problems that an original leak detection method wastes time and labor, detection is inaccurate, and the percent of pass of factory pumps is seriously affected are solved.

The invention provides a double-permanent-magnetic-tube two-end symmetric excitation cylindrical low frequency vibration calibration table with magnetic field tracking compensation, belonging to the field of vibration measurement technology. A cylindrical closed type magnetic field structure design is provided. Two cylindrical permanent magnetic tubes are symmetrically installed at two ends of an electromagnetic drive structure and face magnetic poles. Two symmetric closed magnetic circuits are formed by magnet yokes. The magnetic induction intensity distribution with high uniformity is generated in air gaps. The surfaces of the magnet yokes adjacent to the air gaps are provided with an array type micro structure in the form of deep trenches, and the eddy current loss can be effectively inhibited. A center magnet yoke is provided with a compensation coil, and a formed compensation magnetic field carries out synchronous tracking compensation on the influence of an armature reaction. The organic integration design of air lubricated guide technology is employed, and outstanding electromagnetic drive mechanical performance and high movement guide precision are obtained at the same time. According to the double-permanent-magnetic-tube two-end symmetric excitation cylindrical low frequency vibration calibration table, large stroke, high thrust, a linear electromagnetic driving force characteristic and high movement guide precision can be considered, and a high precision and large stroke high performance low frequency vibration calibration table technical scheme is provided for low-frequency / ultra-low frequency vibration calibration.

The invention discloses a seamless optical splicing method for 3*3 flat detectors. A symmetric prism structure is adopted for image plane light splitting, four flat detectors are arranged on an optical axis perpendicular transmission image plane, and five flat detectors are arranged on four side faces. A few of spliced structures are symmetric, simple and distributed in a centralized way, and energy is not lost after total-reflection total-transmission light splitting. The seamless splicing method can be applied to aviation and aerospace optical imaging, optical detection instruments and equipment and is particularly suitable for aviation and aerospace imaging photoelectric systems of extra-large flat detectors.

The invention is mainly applied to the technical field of expressways, in particular to an expressway lifting lane limiting height device, include a support column. A chassis, a base and a vertical column are successively arranged on the supporting column from bottom to top. A rotary column is arranged in the base, An upper part of that rotate column is fastened to the upright column, A low outerside of that rotate column is sleeved with a bearing, A base and bearings are respectively fixed on the chassis, A stop assembly is arranged between the rotating column and the bearing, a locking holeis arranged at the bottom of the column, a pedal locking assembly is arranged corresponding to the locking hole, a lifting push rod is arranged at the bottom of the column, a slider is arranged at the top of the lifting push rod, pulleys are respectively arranged at the side of the slider, a slider is arranged on the inner wall of the column corresponding to the pulley, one side of the slider isconnected with the railing, and the side wall of the column is slotted. The device can be switched randomly among three modes of lane opening, lane closing and vehicle height restriction according tothe actual needs of the toll collection station, and no additional height restriction device is required to save the trouble of moving back and forth and warehousing. Moreover, the installation and fixation are firm to avoid the occurrence of car crashes.

The invention discloses a convenient-to-install high-voltage circuit breaker and relates to the technical field of high-voltage circuit breakers. The circuit breaker comprises a bottom plate; a substrate is detachably fixed on the bottom plate; a circuit breaker body arranged on the substrate; the left side and the right side of the circuit breaker body are respectively provided with side plates,namely a left side plate and a right side plate; the two ends of the inner side of the left side plate are provided with third clamping grooves respectively; third clamping troughs symmetrical to thethird clamping grooves of the left side plate are formed in the two ends of the inner side of the right side plate; fixing cylinders are connected to inner cavities of the third clamping troughs in aclamped mode; a handrail is arranged between the fixing cylinders at the ends, in the same direction, of the two side plates; two parallel side plates form a quadrangle through two handrails; the outer side of each side plate is provided with a reinforcing plate connected with the side plate; the outer side of each reinforcing plate is provided with a pushing and clamping device; the pushing and clamping devices are connected with the reinforcing plates through supporting columns; and the two supporting columns are pushed through the two pushing and clamping devices to enable the two reinforcing plates to clamp the circuit breaker body.

The invention discloses a gas distributing device of an automobile safety airbag, which is arranged in the airbag and is provided with a fixed part fixed on the airbag and a gas guiding part arranged in the airbag, wherein the distributing device is a bucket-shaped body; a gas outlet of a gas generating device for inflating the airbag is positioned in the distributing device; the fixed part as a part of the wall of the bucket-shaped body of the distributing device and the airbag are fixed to two end parts of the distributing device in the axial direction; and the gas guiding part as the other part of the wall of the bucket-shaped body of the distributing device and the fixed part are opposite along the axial direction of the distributing device. The airbag has a simple structure and convenience of processing, and the whole airbag is firm in operation, can bear gas impact of higher temperature and pressure, and ensures realization of the gas distributing process.

The invention discloses an onshore integrated prefabricated bearing platform which comprises a prefabricated bearing platform body and a plurality of first connecting reinforcing steel bars, the inside of the prefabricated bearing platform body is provided with a bearing platform reinforcement cage and a plurality of pile foundation reserved holes, pile foundation reserved hole reinforcing reinforcement cages are arranged around the pile foundation reserved holes, the first connecting reinforcing steel bars penetrates the inner wall of the pile foundation reserved holes, one end of each firstconnecting reinforcing steel bar extends in the bearing platform reinforcement cage, and the other end of each first connecting reinforcing steel bar is reserved into the pile foundation reserved hole. The reinforcing steel bar concrete is preformed, lifted and mounted in place, most of traditional bearing platform construction is transferred to a factory to be finished, the casting construction quality of concrete can be improved, raw materials and manual labor are saved, integrated process of bridge construction is accelerated, the prefabricated bearing platform and a pile foundation are effectively connected through the pile foundation reserved holes and the first connecting reinforcing steel bars, a prefabricated bearing platform is fixedly and reliably ensured, and the platform is used for the technical field of onshore bearing platforms.

The invention belongs to repairing equipment, and particularly relates to equipment suitable for online repair of a main pump flange sealing surface. The equipment suitable for online repair of the main pump flange sealing surface comprises a remote console, a main control device, a monitoring device and a repairing device, wherein the remote console is matched with the main control device for controlling the entire repairing equipment, the monitoring device is used for remote monitoring of the repairing equipment, and the repairing device is used for being fixed to the main pump flange sealing surface and repairing the sealing surface. The equipment has the significant effects that (1) accurate repair processing of the main pump shell flange sealing surface can be realized online at a nuclear power field; (2) processing work in a repaired area is not affected; (3) the processing requirements of various main pump flange sealing surface structures can be met, and the processing range can be adjusted; and (4) the installation of turning tools, milling cutters and grinding heads can be realized by replacing a tool holder to meet various processing requirements.