76results about How to "Decrease productivity" patented technology

This invention discloses a logistics sorting device with a flipping mechanism, relating to the field of logistics sorting technology. It includes a conveyor frame with a fixed frame installed at the top center, and a movable guiding mechanism comprising multiple sections of electric push rods and a movable frame. Multiple sections of electric push rods are installed at the top of the inner cavity of the fixed frame, and the movable frame is installed at the bottom of the electric push rods. This invention uses the flipping mechanism to rotate and flip the fixed packages. During package transport, if a package lacks a barcode at the top, it is detected and fixed. Then, the package is flipped, and transport stops during the flipping process. This prevents later packages from continuing to be transported while the package is being flipped, which could lead to unsuccessful flipping and affect the normal transport of subsequent packages.

The utility model relates to numerical control turret punch press technical field especially is a kind of numerical control turret punch press with die changing device mechanism, including main body, the upper portion of main body is equipped with die changing assembly, die changing assembly includes support seat, the lower surface of support seat is fixedly connected with the upper surface of main body, the upper surface of support seat is fixedly connected with step motor, the output of step motor is fixedly connected with rotating seat through the inside of support seat, the upper surface of rotating seat is set up with movable ring, the inner bottom of movable ring is set up with through slot, the inner surface of through slot is set up with accommodating groove, the inner bottom of accommodating groove is fixedly connected with spring, the upper end of spring is fixedly connected with clamping plate, one end of clamping plate is fixedly connected with connecting plate, the lower surface of connecting plate is equipped with mould, the upper surface of support seat is fixedly connected with hydraulic oil cylinder. The utility model can quickly and conveniently complete the replacement of mould, save time, greatly improve work efficiency, and facilitate the use of numerical control turret punch press.

The utility model relates to the technical field of vortex air pumps, and discloses a high-strength vortex air pump which comprises a working supporting table, the top face of the working supporting table is fixedly connected with a rotation driving motor, and an air pump stable driving assembly is arranged on an output shaft of the rotation driving motor. A vortex air pump left side shell and a vortex air pump right side shell are fixedly connected to the right side of the top face of the working supporting table, a fixed sealing assembly is arranged between the vortex air pump left side shell and the vortex air pump right side shell, and an air inlet hole and an air outlet hole are formed in the left side of the working supporting table. According to the vortex air pump, the air inlet dust removal assembly is matched with the air outlet buffer dust prevention assembly, so that external dust and corrosives are prevented from entering the inner side of the vortex air pump in the using process of the vortex air pump; the service life of the vortex air pump is prolonged, and meanwhile the air outlet speed of airflow is reduced.

A control and protection method for a parallel power electronic equipment testing system is disclosed. This method provides fault early warning and protection for the parallel power electronic equipment testing system based on the load characteristics of the equipment under test and the allowable power of the parallel power electronic testing device. This control and protection method is applicable to parallel power electronic power testing systems, enabling the system to reduce the impact of faults on the testing device and equipment under test caused by abnormalities in some modules of the testing system through fault early warning and control protection, thereby minimizing the loss of testing system efficiency and equipment lifespan.

There is provided an Al wiring material which can achieve sufficient bond reliability of bonded parts in a high-temperature environment at the time when a semiconductor device operates. The Al wiring material containing one or more of Pd and Pt so as to satisfy 3≤x1a≤90or10≤x1b≤250, and 3≤x1a+x1b≤300, where x1a and x1b are respectively a content of Pd [mass ppm] and a content of Pt [mass ppm], with the balance comprising Al, and an average crystal grain diameter on a cross-section perpendicular to a longitudinal direction of the Al wiring material is 3 to 35 µm.

This utility model discloses a receiving platform for mooncake production, specifically relating to the field of mooncake production technology. It includes a conveying mechanism, with a main component fixedly connected to the top of the conveying mechanism. A rotating component is arranged inside the main component, and multiple unloading components are arranged inside the rotating component. The main component includes a base frame with multiple slots on its surface. A chassis is fixedly connected to the top of the base frame, and multiple mounting brackets are fixedly connected to the top of the chassis. Each mounting bracket has a column fixedly connected to its top, a sliding column fixedly connected to its top, and a protective plate fixedly connected to the top of each sliding column. A limit strip is fixedly connected to one side of each column, and limit holes are drilled through the surface of each limit strip. This invention solves the problem that in existing mooncake production processes, shaped mooncakes are manually transported to the next process. This method is not only labor-intensive and costly, but also inefficient. Furthermore, manual operation easily leads to contamination of the mooncakes, posing a risk of substandard food hygiene.

The present application provides a deck lifting sling device, which is connected to a deck, the deck comprising a deck body and a deck skeleton, the deck skeleton being connected to the bottom surface of the deck body, the deck lifting sling device comprising a sling body, the sling body being provided with a lifting hole, the sling body being connected to the end of the deck skeleton, and the lifting hole extending from the side surface of the deck body. On the one hand, the sling body can be more easily assembled, welded and removed during construction, effectively improving work efficiency and saving labor and material costs. On the other hand, the sling body is installed at the end of the deck skeleton, which is asymmetric relative to the installation position of the traditional sling. The deck lifting sling device is symmetrically installed, which is better symmetric with the center of gravity of the segmented deck, and is safer and more stable than the traditional sling. At the same time, the lifting hole extends from the deck surface, so that the deck lifting sling device can meet the requirements of rotation and turning in the forward and reverse directions without repeatedly disassembling the sling body, thereby saving labor and effectively improving work efficiency.

The application relates to the technical field of laser marking machines, in particular to a laser marking machine capable of automatic positioning, which comprises a machine body, a marking assembly is installed at the top end of the machine body, a switching structure is installed in the machine body, an opening and closing structure is installed on the machine body, a discharging structure is arranged on the opening and closing structure, a material collecting structure is installed at the side end of the machine body, a dismounting structure is arranged on the material collecting structure, a pushing material structure is installed at the side end of the switching structure, and a material lifting structure is further installed on the switching structure; the switching structure installed on the machine body can meet different use requirements, thereby expanding the application range of the device; the switching structure can synchronously drive the opening and closing structure to act at the same time, the opening and closing of the platform plate can be realized when the storage box is lifted, manual opening of the platform plate is not needed, and therefore the work efficiency can be greatly saved.

The utility model provides a kind of multi-spray head rotary cleaning mechanical arm for wind power blade surface cleaning, it is related to wind power generation equipment field, including mechanical arm body, the one end of mechanical arm body is fixedly connected with rotating device, the one end of rotating device away from mechanical arm body is fixedly connected with converter, the one end of converter away from rotating device is movably connected with several spray heads by several connecting devices, by limiting block this time will be stuck into the end of fixed column adjacent to sliding block, this time again pull in the opposite direction of shell, limiting block will drive sliding block to move to the direction of fixed block when, when moving to fixed block, by the recess that the side of fixed block is opened and adapts to sliding block, the shell and spray head can be taken down at this time, then change the spray head needed to use, to replace spray head, the device reduces the equipment downtime, reduces the probability of work efficiency, and solves the problem that replacement process is complex and difficult to realize quick switching.

This utility model relates to the field of agricultural machinery and equipment technology, and in particular to a detachable multi-functional agricultural soil loosening and weeding integrated machine. It includes a connecting base, with fixed plates fixedly connected to the front left and rear left ends of the connecting base. Positioning holes are provided on the upper left and upper right ends of the two fixed plates, and threaded holes are provided on the left and right sides of the opposite sides of the two fixed plates. A soil-blocking mechanism is installed on the upper ends of the two fixed plates, and a soil loosening and weeding device is installed between the two fixed plates. A dust-reducing mechanism is fixedly connected to the upper end of the connecting base. This detachable multi-functional agricultural soil loosening and weeding integrated machine allows for easy installation of the soil-blocking cover above the soil loosening and weeding device, ensuring that the cover effectively prevents soil and weeds from splashing. It also facilitates subsequent disassembly of the soil-blocking cover for cleaning and maintenance of the inside of the cover and related components of the soil loosening and weeding device, reducing the impact of debris accumulation on equipment efficiency.

The utility model discloses a heat treatment device is used in screw rod processing, including the machine case and the box door, the box door sets up in the machine case front side, and with machine case rotary connection. The utility model discloses the cooperation of setting machine case, box door, movable placing device, moving frame, sliding limit slot, frame, sliding rail, adjusting assembly, screw rod, support limit rod, supporting block, knob, placing assembly, placing rod, partition block and pull handle is used, has improved or solved the existing box -type resistance furnace when using to a certain extent, and the screw rod is usually directly in the furnace interior, causes adjacent screw rod contact and the large -area with the support or machine case inner wall and the contact of fitting, is easy to cause the problem of the uneven heat conduction when heat treatment, influences the uniform consistency of screw rod heat treatment, simultaneously, the support can not be flexible adaptation different length screw rod, and the adjustment is complicated and the commonality is poor, and the screw rod is unloaded when manual loading, and the operation is inconvenient because of the fixed position of support, reduces work efficiency.

The utility model relates to a coating mechanism technical field, concretely relates to a kind of self-compensating micro gravure roll mechanism for OCA coating, including base, the base top symmetrical fixedly connected with connecting plate, the connecting plate inside is separately provided with main roll and auxiliary roll, the main roll side is provided with self-compensating mechanism, wherein:the self-compensating mechanism includes first threaded rod, the first threaded rod outside is connected with slider in screw thread, the slider inside is provided with fixed block, the fixed block inside is rotatably connected with rotating rod, self-compensating mechanism can automatically adjust the contact state between doctor blade and main roll, ensure that always can scrape off redundant glue solution, make the even and moderate glue solution in main roll hole for coating, to guarantee the stability and uniformity of coating amount, reduce the frequency of component replacement due to wear, reduce the maintenance cost and downtime of equipment, improve production efficiency and automation degree simultaneously.

The utility model relates to the technical field of marine fans, in particular to an efficient and energy-saving marine fan device which comprises a fan body, mounting discs are mounted at the positions, close to the two sides, of the interior of the fan body, and a smoke suction pipe is rotationally connected to the interior of one group of mounting discs; a smoke exhaust pipe is inserted into the other group of mounting discs, the motor is used for rotating the smoke exhaust pipe, and one side of the motor is mounted with one end of the fan body. Through the arrangement of a smoke suction pipe, a sealing ring, a rack plate, a limiting plate, a smoke suction cover, a threaded sleeve, a smoke filtering net, a handheld rod, a motor, a driving gear and other parts, the problem that a smoke suction pipe in an existing marine fan is fixedly arranged, and therefore when the pipe opening direction of the smoke suction pipe of the fan is greatly different from the smoke gathering position, the smoke suction pipe is not prone to falling off; the problems that a fan needs to work for a long time to pump out smoke, so that the working efficiency of the fan is low, and energy consumption is increased due to long-time operation of the fan are solved.

The invention discloses a photovoltaic energy storage integrated device based on a zero-carbon park, which comprises a support system, the support system comprises a middle assembly frame and side assembly frames arranged on the two sides of the middle assembly frame, and photovoltaic cell panels are mounted on the middle assembly frame and the side assembly frames through movable clamping devices. The invention relates to the technical field of photovoltaic power generation devices, and has the beneficial effects that the device is fixed in a zero-carbon park through a bracket system, a plurality of movable clamps can be mounted on the device, so that a plurality of photovoltaic cell panels are densely arranged, the space is saved, the space utilization rate is improved, once the photovoltaic cell panel fails, the movable clamps on the device work, and the photovoltaic cell panel cannot be damaged. The movable loading and unloading device and the supporting device are matched with each other, the fault board can be fixed, the fault board can be transversely conveyed to one side of the support system, and the operation space of the workers is enlarged.

The spinning machine with the flanging device comprises a workbench, the top of the workbench is fixedly connected with a first vertical plate, and one side of the first vertical plate is fixedly connected with a first rotating motor. According to the device, through the arrangement of the workbench, the first vertical plate, the first rotating motor, the rotating column, a telescopic sleeve plate, a derivative plate, a small motor, a flanging die column, a spinning die column, a second vertical plate, a second rotating motor, a mounting disc, a telescopic side column, a suction cup, air exhaust equipment and an air exhaust pipe, the pressing machine can be used more conveniently, and a part subjected to pressing can be flanged; therefore, a worker does not need to apply pressure to the part and then perform flanging through other flanging equipment, the working content of the worker is reduced, the working complexity of the worker is reduced, the working speed of the whole work is increased, the working efficiency of the whole work is reduced, and long-term use of the spinning machine is facilitated.

The utility model relates to an anti-overturning winch platform capable of horizontally moving. The anti-overturning winch platform capable of moving horizontally comprises a running track, a winch base and an anti-overturning system. The length direction of the running track is distributed along a water machine pump truck in a pump room, a track base of the running track is fixed on the ground through fixing foundation bolts, a winch base is slidably mounted on the running track through winch base wheels arranged at the bottom of the winch base, and a driving motor is mounted on the winch base. The driving motor is electrically connected with a motor control box, the winch base wheel is in transmission connection with the driving motor, and the anti-overturning system is connected between the winch base and the ground and located on the side away from the water machine pump truck. By arranging the winch base capable of horizontally moving and the anti-overturning system, one winch can serve multiple water machines, the cost for equipping multiple winches is greatly reduced, the utilization efficiency of resources is improved, and remarkable economic benefits and engineering practicability are achieved.

The utility model relates to the technical field of air tightness detection, in particular to a workpiece air tightness detection device which comprises a base plate, a sealing mechanism is mounted at the upper end of the base plate, an outer cover is mounted at the upper end of the base plate, a pushing and pressing mechanism is mounted at the top of an inner cavity of the outer cover, and the inner cavity of the outer cover is connected with a fixing plate. A control switch is installed on the outer side of the fixing plate, the sealing mechanism comprises a bottom plate arranged at the upper end of the base plate, the bottom plate is in threaded connection with the base plate through a plurality of sets of bolts, and a rubber base is connected to the middle of the upper end of the base plate. According to the utility model, the position of the uncovered box body is effectively limited and fixed during air tightness detection, so that the influence on the final air tightness detection result caused by displacement during detection is avoided, the effect of sealing and protecting the uncovered box body is effectively improved, the accurate effect of air tightness detection of a product seat is conveniently improved, and the production efficiency is improved. Therefore, the work efficiency of air tightness detection is effectively improved.

The utility model relates to traditional chinese medicine decoction pieces technical field discloses an automatic screening collection device for traditional chinese medicine decoction pieces, including discharge mechanism, the inside slide coupling of discharge mechanism has screening mechanism, the outside fixed connection of discharge mechanism has the discharging mechanism, the bottom fixed connection of discharge mechanism has drive mechanism, the outside fixed connection of discharge mechanism has buffer mechanism, the screening mechanism includes screen cloth, the inside wall of discharge mechanism is connected in the outside slide of two screen cloth, the outside of screen cloth is equipped with two limit hole. In the utility model, when the screen cloth is blocked by traditional chinese medicine residues, the slide switch drives the slide column to separate from the limit hole, and the fixed connection of the screen cloth and the screen box can be quickly released. This quick release design does not need tool assistance, can complete the screen cloth disassembly in a short time, timely cleaning the blockage, avoids the influence of the screening efficiency and quality because of the screen cloth blockage.

Provided are a solid oxide electrochemical cell with high power and a method for producing a solid oxide electrochemical cell by which a solid oxide electrochemical cell with high power can be fabricated in a manner that ensures both high productivity and high quality. A solid oxide electrochemical cell 10 includes a solid hydrogen electrode 12, a solid electrolyte membrane 14, and a solid oxygen electrode 16. The solid hydrogen electrode 12 includes, in a first surface 12f thereof, a plurality of first raised portions 12a raised in a direction toward the solid electrolyte membrane 14 and first intermediate portions 12b each located between two adjacent ones of the first raised portions 12a. The solid electrolyte membrane 14 includes second raised portions 14a stacked on the first raised portions 12a and second intermediate portions 14b stacked on the first intermediate portions 12b. The solid oxygen electrode 16 includes third raised portions 16a stacked on the second raised portions 14a and third intermediate portions 16b stacked on the second intermediate portions 14b. The first raised portions 12a have a pitch of 70 to 110 um. The second intermediate portions 14b are in contact with the third intermediate portions 16b without a gap therebetween.

This utility model discloses a pluggable reusable filter, relating to the field of filter technology. The pluggable reusable filter includes a filter assembly, with an external mounting assembly. The mounting assembly includes an L-shaped aluminum frame and multiple pluggable flanges. The pluggable flange is mounted on the upper end of the L-shaped aluminum frame, and multiple L-shaped corner brackets are provided at the connection between two L-shaped aluminum frames. The pluggable flange includes a pluggable horizontal plate and a pluggable vertical plate, with the vertical plate located at one end of the horizontal plate. This solution solves the problem that existing filters typically use an integral structure where the aluminum frame and filter element are fixedly connected. When the filter element reaches the end of its service life and needs replacement, the entire filter must be disassembled, which is cumbersome and time-consuming. Furthermore, the integral structure prevents the aluminum frame from being reused, increasing usage costs and wasting resources.

The application relates to the technical field of automation office technology and discloses a data content display method of a data collaboration document, which comprises the following steps: receiving a display condition of data content; wherein the data content comprises a plurality of data entries; grouping the data entries of the data content according to the display condition; and displaying the data content in the form of a plurality of groups. In this way, the whole data content of the data collaboration document can be displayed in groups, and meanwhile, part of the data content of the data collaboration document can be operated and processed in the same display interface. The user can conveniently check and edit the whole data content, and conveniently operate and process part of the data content, so that the work efficiency of the operation and processing of part of the data content is improved, and the user experience is improved. The application further discloses a data content display device of a data collaboration document, an electronic equipment and a storage medium.

This invention discloses a shaped bottle filling production system, including a base, a conveying mechanism mounted on the base, and a front weighing station, a filling station, a rear weighing station, and a capping station arranged sequentially along the conveying direction of the conveying mechanism. The conveying mechanism has multiple bottle holders arranged at intervals along the conveying mechanism, each bottle holder for holding a group of shaped bottles. The base also has a weighing device, and a transfer device connects the weighing station and the weighing device. The conveying mechanism conveys intermittently for a predetermined time, advancing the distance of one bottle holder each time. A shaped bottle filling production method is also disclosed, using the shaped bottle filling production system, including the following steps: bottle placement; front weighing; filling; rear weighing; and capping. This shaped bottle filling production device and method has advantages such as short total downtime, high working efficiency, and low production cost.

The utility model relates to the field of circuit board production, concretely relates to a welding set for circuit board production, including the type seat and workstation, the type seat inner bottom is installed with the adjusting cylinder, and the workstation upper end face is equipped with the fixed groove, and the fixed groove is rotatably installed with the adjusting screw through the bearing, and the adjusting screw outside wall is symmetrically screwed with the first sliding block, and the first sliding block upper end face is installed with the clamping plate, and the workstation upper end face is installed with the back seat, and the back seat upper end face is rotatably installed with the glass plate through the pin shaft, and the back seat front is arranged with the front seat, and the type seat left side end face is installed with the control panel, and the control panel is electrically connected with the adjusting cylinder, and the utility model discloses adjusting cylinder structure, thereby can handle the workstation according to the height of staff, avoid the staff long time stoop excessive operation and lead to the waist soreness of waist, reduce its work efficiency.

The embodiment of the present application provides a robot, a control method of the robot, a medium and a product. The robot comprises at least one mechanical arm, a vision module and a control module. The control module is connected with the mechanical arm and the vision module. The mechanical arm is used for grabbing a target object. The vision module comprises a head vision module and a mechanical arm vision module installed at the end of the mechanical arm, and is used for acquiring multi-angle vision information of the target object. The control module is used for controlling the mechanical arm to grab the target object to perform a sorting task according to the multi-angle vision information, so that the working efficiency and the accuracy of the robot are effectively improved.

The utility model provides a bilateral cyclone combustion chamber which comprises a fixed installation cylinder, one side of the fixed installation cylinder is connected with a combustion assembly, the other side of the fixed installation cylinder is connected with a cyclone assembly, the cyclone assembly comprises an air supply fixing plate, the air supply fixing plate is fixedly connected with an air supply air outlet cylinder, and the air supply air outlet cylinder is fixedly connected with an air outlet. A first air outlet groove and a second air outlet groove are formed in the air supply outlet barrel, a first air guide plate and a second air guide plate are fixedly connected to the air supply outlet barrel, a fixed mounting plate is fixedly connected to the outer side of the fixed mounting barrel, an air storage cover is connected to one side of the fixed mounting plate, and an air supply fan is fixedly connected to the outer side of the air storage cover. The first air guide plate and the second air guide plate guide air to form cyclone, so that air can be more effectively supplied to the combustion assembly, the air volume is increased, the speed is increased, meanwhile, the sprayer is effectively prevented from achieving smooth ignition of oil, the temperature in the combustion cavity is guaranteed, auxiliaries are effectively heated, and the working efficiency of the sprayer is improved.

The utility model discloses an anti -freezing air conditioner heat pump unit, it includes: indoor shell, the inner wall fixed connection of indoor shell has condenser, compressor and throttle valve, the inner wall fixed connection of throttle valve has into steam pipe, the outer surface fixed connection of into steam pipe has evaporimeter, the inner wall fixed connection of evaporimeter has out steam pipe, the inner wall fixed connection of compressor has warm pipe, the inner wall fixed connection of condenser has out cold pipe, the outer surface fixed connection of evaporimeter has outdoor shell, the inner wall fixed connection of warm pipe has defrosting pipe, the inner wall fixed connection of indoor shell has defrosting pump, the inner wall rotatory joint of outdoor shell has several closed mechanisms, the outer surface fixed connection of evaporimeter has temperature sensor. Through above -mentioned structure, can prevent the medium in the mechanism to freeze due to temperature too low and evaporimeter to reduce the working efficiency due to frost, prolongs the working life of mechanism, improved the stability of working time.

The present application belongs to the technical field of hydraulic components, in particular to a stainless steel oil pipe connecting piece for truck cab turnover system, which comprises a fixing piece, a connecting pipe, a sliding piece, a driving piece and a mounting piece; the present application drives two sliding pieces to move by rotating the driving piece, and then drives the pushing structure to move, and then drives the extrusion piece to move to one side of the connecting pipe, and then makes the extrusion part resist on the side of the oil pipe end, and then makes the side of the place deform to the convex structure and form an inclined plane, and the lower side of the inclined plane resists on the convex structure, and the upper side of the inclined plane and the extrusion part resist each other, and then fixes the position of the inclined plane, and then connects the oil pipe and the connecting piece together, and then connects two oil pipes together, and then completes the connection of the pipeline; the connection of two oil pipes can be completed by rotating the driving piece, and then the special clamp is avoided to connect the oil pipe, and then the connection of the oil pipe is facilitated.

The utility model belongs to the technical field of ships, and particularly relates to a ship LNG (Liquefied Natural Gas) filling drip-proof device which comprises a drip-proof device main body, a fixed rod is fixedly connected inside the drip-proof device main body, a rotating motor is fixedly mounted on the fixed rod, and an exhaust blade is fixedly connected to the upper end of a rotating shaft of the rotating motor. By designing the threaded rod, the handle, the supporting block, the fixing sleeve, the annular groove, the screw rod and other components, the threaded rod is rotated to make threaded motion with the supporting leg, the threaded rod rotates downwards to drive the supporting block and the limiting pad to move downwards, the limiting pad moves downwards to make contact with the ground, the whole device can move upwards, and after the limiting pad moves downwards to the designated position, the limiting pad can move upwards. And the height of the device is adjusted, so that air is inconvenient to enter from the bottom of the device, and exhaust blades on the device are used.

The invention discloses a temperature drop control method and a temperature drop control system. The temperature drop control method comprises the following steps: determining a temperature value of a to-be-cooled part; under the condition that the temperature value is larger than a first threshold value, a cooling device is controlled to work at preset power, and the first threshold value is larger than a preset value; under the condition that the temperature value is smaller than the first threshold value and larger than the preset value, the cooling device is controlled to be switched from the preset power to the first power to work, and the first power is smaller than the preset power; and under the condition that the temperature value is equal to or smaller than a preset value, controlling the cooling device to stop working. According to the temperature drop control method, the problem that the process effect of a part of silicon wafers is poor due to the fact that the temperature drop of the part of silicon wafers cannot meet the requirement when the current silicon wafers are all cooled based on the same cooling standard can be solved.

The embodiment of the utility model provides a vacuum on-load tap-changer insulating oil sampling device, and relates to the technical field of transformers. The vacuum on-load tap-changer insulating oil sampling device comprises a transformer pipe opening, a first flange plate is installed at the bottom end of the transformer pipe opening, a sampling assembly is arranged on the surface of the first flange plate, the sampling assembly comprises a second flange plate, a sealing gasket is installed at the top of the second flange plate, and the sealing gasket is arranged on the surface of the first flange plate. The bottom of the second flange plate is fixedly connected with a connecting block, the bottom of the connecting block is fixedly connected with a sampling port, through the arrangement of the sampling assembly, insulating oil can be efficiently extracted from the transformer and safely stored, and the time of the whole sampling process can be remarkably shortened. Through the improvement, the working efficiency is greatly improved, the waiting time of operators is shortened, the labor cost is reduced, and in addition, the sampling assembly avoids the condition of liquid backflow in the sampling process.