19results about How to "Meet maintenance needs" patented technology

This utility model discloses a self-locking hydraulic pipe joint, including a male joint and a female joint. The male joint has a pin, and a sealing sleeve and a spring are slidably fitted onto the surface of the pin. Under the action of the spring, the sealing sleeve can cover the connecting hole on the pin. A locking ring groove is provided on the outer wall of the pin. The female joint has an axially sliding valve core inside, which is connected to the spring and used to close the inner flow channel. The female joint also has multiple radially arranged locking pins, which cooperate with the locking ring groove of the pin to achieve mechanical locking. During the insertion process, the pin pushes the valve core back and compresses the spring, while the sealing sleeve backs to connect the connecting hole with the inner flow channel for flow. The locking pins automatically spring into the locking ring groove to achieve self-locking connection. The locking pins are made of ferromagnetic material and can be quickly unlocked by magnetic attraction from an external magnetic ring. This utility model has a compact structure, automatic sealing, self-locking, and quick unlocking functions, is easy to operate, and is suitable for hydraulic systems with high sealing and high reliability requirements.

The utility model discloses a detachable silicon steel sheet maintenance frame, which comprises adjusting seats, an auxiliary supporting plate and a supporting frame, the two ends of the auxiliary supporting plate are both provided with the adjusting seats, telescopic rods are movably installed in fixing sleeves on the two sides of the adjusting seats, and the top ends of the two telescopic rods are both fixedly connected with the inner side of the supporting frame. Silicon steel sheets are arranged on the inner sides of the fixing grooves in the inner wall of the supporting frame, threaded columns are arranged at the bottoms of the two sides of the supporting frame, and connecting rods are connected to the portions, above the threaded columns, of the supporting frame through shafts. The modular design is adopted, so that the maintenance frame can be quickly disassembled and assembled, unique connecting devices are adopted between the frames, the stability of frame connection is ensured, potential safety risks caused by unstable connection are reduced, meanwhile, the size of the frame can be adjusted according to actual requirements, and the maintenance cost is reduced. Therefore, the maintenance requirements of silicon steel sheets of different specifications are met, and the applicability of the frame is improved.

The utility model relates to the technical field of locks, in particular to an intelligent lock panel with an installation positioning structure, which comprises an inner panel and an outer panel, the inner panel and the outer panel are connected through horizontal positioning columns, vertical strip-shaped hole sites matched with the positioning columns are arranged on the inner panel and the outer panel, the positioning columns comprise an upper positioning column and a lower positioning column, and the upper positioning column and the lower positioning column are arranged in the vertical strip-shaped hole sites. The positions of the two ends of the upper positioning column and the lower positioning column can be adjusted up and down along the strip-shaped hole positions. According to the intelligent lock panel with the installation positioning structure, the inner panel and the outer panel are connected through the upper positioning column and the lower positioning column, the positions of the two ends of the positioning column can be adjusted up and down along the strip-shaped hole positions, and compared with the situation that a traditional positioning column is fixed to a base, large errors are likely to be generated; the relative positions of the inner panel and the outer panel are flexibly adjusted according to actual requirements, accurate positioning is achieved, the situation that the base is readjusted due to position deviation of parts is greatly reduced, the production difficulty and time cost are reduced, and the production efficiency is improved.

This application provides a pipe connection structure, including: a first pipe, a first flange, a first sleeve, a second flange, and a second sleeve; the first flange has a first opening and a plurality of first threaded holes, the first opening penetrating the first flange, and the first threaded holes penetrating the first flange and surrounding the first opening; the second flange has a second opening and a plurality of second threaded holes that mate with the first threaded holes, the second opening penetrating the second flange, and the second threaded holes penetrating the second flange and surrounding the second opening, and bolts passing through the first threaded holes and second threaded holes to connect the first flange and the second flange. The pipe connection structure provided by this application, by providing a first flange and a second flange, and connecting the first flange and the second flange with bolts, facilitates installation and disassembly, thereby meeting the needs of subsequent pipe maintenance.

The utility model relates to the technical field of energy storage electric connection, in particular to an energy storage connector assembly, which comprises a board end connector and a wire end connector, the board end connector is provided with a board end plug and a board end electric connection element, the board end plug is provided with a board end plugging cavity, the board end electric connection element is arranged in the board end plugging cavity, and the wire end connector is connected with the board end plug. The wire end connector is provided with a wire end plugging cavity, a wire end plug is arranged in the wire end plugging cavity, the wire end plugging cavity is used for being matched with the board end plug, the wire end plug is provided with a wire end electric connection element, and the board end electric connection element is used for being matched with the wire end plug and being in conductive contact with the wire end electric connection element; a locking assembly is arranged on one side of the wire end plug and comprises a locking cavity, a locking sliding block and a spring bolt. According to the utility model, through efficient electrical connection performance and a stable and reliable locking mechanism, a high-performance connection solution is provided for an energy storage system.

The invention provides a digital twinning-based power equipment comprehensive monitoring and predictive maintenance system and method. The system comprises a physical layer, a data acquisition and transmission layer, a digital twinning model layer, a data analysis and intelligent early warning layer and a decision support and visualization layer. The method comprises the steps of data acquisition, model driving, simulation, calculation evaluation, early warning and feedback optimization. According to the method, equipment faults are predicted in advance by means of a digital twinning technology and a machine learning algorithm. The system can accurately analyze the health state of the equipment and predict the remaining service life of key parts by continuously monitoring equipment operation parameters such as vibration, temperature and pressure and combining historical data and an equipment operation mechanism. Once the health index of the equipment is lower than the preset threshold value or the remaining service life is close to the safety margin, the system immediately and automatically gives an early warning, and maintenance personnel can arrange maintenance work in advance, so that unplanned shutdown caused by sudden failure of the equipment is avoided, and the production continuity is ensured.

The utility model discloses a dust-proof industrial personal computer case convenient to disassemble and assemble, and particularly relates to the technical field of industrial personal computers, the dust-proof industrial personal computer case comprises an industrial personal computer case main body with an opening at the top, two sides of the industrial personal computer case main body are provided with dust-proof filter screens, and the top of the industrial personal computer case main body is provided with a pair of top plates; each top plate and the industrial personal computer case body are each provided with a rotating springback assembly, each rotating springback assembly comprises a pair of fixing blocks, the fixing blocks are fixedly connected to the outer surface of the industrial personal computer case body, rotating rods are rotationally connected to the fixing blocks, supporting blocks are fixedly connected to the rotating rods, the supporting blocks are fixedly connected to the top plates, the rotating rods are sleeved with torsional springs, and the torsional springs are fixedly connected to the supporting blocks. The two ends of the torsional spring are fixedly connected to the opposite faces of the fixing block and the supporting block correspondingly, and the two sides of each top plate are fixedly connected with positioning blocks correspondingly. According to the utility model, the technical problems that the industrial personal computer case needs to be disassembled and assembled with the help of a professional disassembling tool, and the use loss is easily caused due to the use of more fasteners are solved.

This utility model belongs to the field of ventilation engineering technology for hydropower stations, specifically relating to a ventilation and safety tunnel exhaust tower layout structure. In this utility model, the lower floors of the main exhaust tower are only located outside the exhaust duct opening. The side walls of the lower floors of the main exhaust tower connect with the exhaust duct opening, allowing the internal space of the main exhaust tower to communicate with the exhaust duct. The upper floors of the main exhaust tower connect with the mountain via an extended platform. An auxiliary exhaust tower is fixedly installed on the extended platform. The main exhaust tower and the auxiliary exhaust tower are fixed as a whole, with their internal spaces interconnected. Rainproof vents are provided on the tops of both the main exhaust tower and the auxiliary exhaust tower. Exhaust fans are installed inside the exhaust tower or the exhaust duct, used to exhaust air from one end of the exhaust duct through the rainproof vents. This utility model reduces the overall engineering volume and construction cost of the exhaust tower without increasing the building height or ensuring sufficient exhaust area.

The application provides a processing tool and method for the jamming failure of a nuclear power main pump sealing chamber bolt, comprising a tool platform, a plurality of tool bolts for supporting the tool platform are arranged on the tool platform; the tool bolts are fixed to the tool platform through penetrating screws and fixed nuts arranged at the top ends of the tool bolts, the bottom ends of the tool bolts are fixed and penetrate the sealing chamber, the bottom ends of the tool bolts are also fixed with heat shield flanges; a magnetic drill is arranged on the upper side of the tool platform, the magnetic drill penetrates the tool platform and corresponds to the jammed bolt, a plurality of equal height blocks are arranged on the lower side of the tool platform, the equal height blocks are fixed to the outer sides of the tool bolts, and pads are arranged on the equal height blocks; the pads are fixed between the equal height blocks and the sealing chamber. The application prevents irreversible damage to the main pump sealing chamber and the heat shield flange, and causes significant economic losses.

The utility model discloses a bending forming die for a lead, which belongs to the technical field of forming dies and comprises a side plate, a sliding block is slidably arranged on the side plate through a sliding hole, a first upper die is fixed on one side of the sliding block, and a first bolt and a second sliding rod are symmetrically arranged on two sides of an upper diagonal line of the first upper die. A second upper mold is installed on the outer side of the first bolt in a threaded mode, a connecting hole is formed in the connecting position of the second upper mold and the second sliding rod, and first inclined grooves which are symmetrical to each other are formed in the bottom of the first upper mold and the bottom of the second upper mold. According to the utility model, the distance between parts is adjusted by two hands, leads with different thicknesses can be flexibly adapted, the die does not need to be replaced, the universality is obviously improved, and the equipment cost and inventory are reduced; adjustment is fast, die changing time is shortened, and production efficiency is improved. And in addition, due to the interval design, dust and chippings can be discharged conveniently, accumulation of the dust and chippings is avoided, and the abrasion risk is reduced.

This application discloses a bridge pier casting formwork, relating to the field of bridge construction technology. The bridge pier casting formwork includes an outer formwork, an insulation layer, and an inner formwork arranged sequentially from the outside in; a vacuum cavity is provided inside the outer formwork and / or the inner formwork; multiple support columns are arranged between the outer formwork and the inner formwork; one end of each support column is connected to the inner wall of the outer formwork, and the other end is connected to the outer wall of the inner formwork; the insulation layer has an economical thickness of 100mm-200mm; the opening directions of the two halves of the formwork in the same layer are the same; the heat transfer path of the formwork is tortuous. This application can meet the curing requirements of the poured concrete and effectively isolate the heat exchange between the inner bridge pier and the outside. It not only eliminates the need for subsequent covering of the bridge pier with an insulation curing device, simplifying the subsequent insulation curing process, but also allows for repeated use, avoiding resource waste or pollution.

This utility model belongs to the field of knife sharpener technology, and in particular to a replaceable manual knife sharpener, comprising a first housing and a second housing. A detachable magnetic connector is provided between the first and second housings, and the first and second housings, when connected, form the knife sharpener housing. A mounting groove is provided at the lower end of the knife sharpener housing. A limiting plate is integrally formed on the inner surface of the lower end of the knife sharpener housing, and a magnet is adhered to the surface of the limiting plate. An iron sheet attracted by the magnetic force of the magnet is provided on the surface of the mounting groove, and a sharpening blade is adhered and fixed to the lower surface of the iron sheet. The detachable connection between the first and second housings is achieved through the magnetic connector, allowing for quick disassembly or assembly of the knife sharpener housing without the need for tools. This not only facilitates the inspection and maintenance of internal components but also reduces space occupation during storage. Compared to traditional bolt fixing, the disassembly and assembly efficiency is improved by more than 50%.

The utility model provides an air conditioner main unit. The air conditioner main unit comprises a first module, a second module and an assembling assembly. Each of the first module and the second module comprises a cabinet body, an outdoor fan and an evaporator, the splicing assembly comprises a sealing piece and a flexible connecting piece, the locking piece penetrates into the flexible connecting piece and is locked in the sealing piece, so that the first module and the second module are fixedly spliced, and a water retaining part is further arranged at the joint of the flexible connecting piece and the sealing piece. According to the air conditioner main unit, the cabinet bodies of the first module and the second module are fixedly spliced through the splicing assembly, the logistics freight size limitation can be effectively overcome, an air conditioner building structure with the larger refrigerating capacity is achieved, and the requirement of customers for the refrigerating capacity of an air conditioner with the larger granularity is met; in addition, the locking pieces penetrate through the flexible connecting pieces and are locked in the sealing pieces on the cabinet bodies of the first module and the second module, modular assembly can be achieved, and extension and expansion of different refrigerating capacity requirements are met.

The invention relates to the technical field of oil exploitation, in particular to an adjustable flow divider for a blowout preventer, comprising an inner shell, the outer surface of the inner shell is fixedly sleeved with an outer shell, the upper end of the outer shell is fixedly provided with a top sealing plate, and the upper surface of the top sealing plate is slidably embedded with an embedded plate; a locking cylinder is fixedly connected to the lower surface of the embedded plate, a guide sleeve is fixedly connected to the lower end of the locking cylinder, a driving rod is rotatably inserted into the inner side of the locking cylinder, a pressure test assembly is fixedly connected to the lower end of the driving rod, a convex disc is fixedly connected to the lower end of the outer surface of the driving rod, and a guide disc is fixedly connected to the upper surface of the convex disc; the pressure test plug has the function of quickly adjusting the use scene, the structure at the pressure test plug can be quickly disassembled and assembled, the internal maintenance requirement of the flow divider is met, the sealing requirement of pressure test operation can be met, mounting and fixing of a well drilling pipe column can be achieved, and the flexible adjusting and switching effect of the flow divider adapting to various operation scenes is achieved.

The utility model relates to the field of building door and window maintenance, concretely relates to a multifunctional building door and window maintenance tool bag, including outer tool bag, the outer tool bag inwall bottom vertical fixed with a plurality of first baffle, the outer tool bag inside is connected with the inner tool bag through adjusting assembly, the inner tool bag inside vertical fixed with a plurality of second baffle, a plurality of second baffle respectively fit in a plurality of first baffle surface, the inner tool bag top is hinged with the box cover, the outer tool bag front end is fixed with the storage bag subassembly and glass cement gun storage subassembly, the outer tool bag rear end is fixed with the wearing subassembly, the utility model has the advantages of: the storage space of extensible tool bag can be expanded, thereby the required space is adjusted according to the number of maintenance tools by maintenance personnel, glass cement gun can also be conveniently stored, and wearing can also be convenient, liberate both hands, and the function is rich, can better satisfy building door and window maintenance demand, and the practicality is better, and the suitable promotion.

The application relates to a concealed door hinge structure and belongs to the technical field of building decoration engineering, which comprises a concealed door connecting plate, a bottom plate, a supporting plate, a positioning plate and a stretching mechanism; one side of the concealed door connecting plate is used for fixed connection with a concealed door, and the stretching mechanism is located between the concealed door connecting plate and the bottom plate and is used for adjusting the distance between the bottom plate and the concealed door connecting plate; one end of the positioning plate is fixedly connected with one end of the supporting plate and both form an L shape, one end of the supporting plate away from the positioning plate is rotationally connected with one end of the bottom plate, and one end of the positioning plate away from the supporting plate is rotationally connected with a wall body at a mounting position of the concealed door; the distance from the rotationally connected position of the positioning plate and the wall body to the outer wall of the wall body is the length of the positioning plate, the application can realize the 180-degree opening angle of the concealed door, can ensure that the concealed door is hidden and can improve the aesthetic effect.

The invention discloses a heat preservation maintenance panel suitable for a high and cold environment, the heat preservation maintenance panel comprises panel foundations, an asbestosed wire gauze and an electric heating film, the asbestosed wire gauze and the electric heating film are clamped between the two panel foundations, and the peripheries of the two panel foundations are fully welded and sealed through a laser welding process; the asbestosed wire gauze is adhered to one side of one of the panel foundations and is flatly attached; the electric heating film is adhered to the surface of the other panel base, and the peripheral sizes of the asbestosed wire gauze and the electric heating film are matched with the panel base; the electric heating film is a semiconductor flexible heating film, and a through hole is formed in the upper portion of the panel base and serves as a heating film wire inlet and outlet channel. According to the heat-preservation maintenance panel, the semiconductor flexible heating film and the gradient bonding layer asbestosed wire gauze have the synergistic effect, and the polyurethane heat-preservation formwork is matched, so that the heat-preservation efficiency is remarkably improved, and the heat-preservation maintenance panel adapts to high-cold and severe working conditions.

This utility model relates to the field of power equipment, specifically a multi-directional modular GIS maintenance platform, comprising: a first platform, arranged along the interval direction on the side of the electric mechanism, serving as an inspection channel; a second platform, detachably and directly connected to the first platform, arranged in a "T" shape, spanning the three phases A, B, and C, for maintenance and observation of the phase-to-phase mechanisms; and a third platform, elevated above the first platform, detachably connected to the first platform via an auxiliary ladder, arranged in a "Z" shape. This utility model solves the problem of maintenance and observation of mechanisms at different heights and orientations, meeting the maintenance needs of all mechanisms on site, improving product quality, and providing reliable safety guarantees for operating personnel. Furthermore, the overall modular structure is simple to assemble and disassemble, easy to manufacture and transport, safe and reliable, and has good practicality and prospects for widespread application.

The utility model relates to the technical field of automobile maintenance, in particular to an engine oil extraction mechanism for automobile maintenance. The device comprises a horizontally-arranged cylinder, clamping plates are vertically arranged on the side walls of the left end and the right end of the cylinder respectively, the left end and the right end of a lifting handle are connected with the clamping plates on the corresponding sides respectively, a liquid extraction opening is formed in the middle of the side wall of the front side of the cylinder, a liquid extraction cover covers the liquid extraction opening of the cylinder, and a liquid extraction pipe is arranged in the middle of a shell of the liquid extraction cover in a communicating mode. The device is reasonable in structural design, convenient to operate, time-saving and labor-saving, adopts hand-operated extraction operation, enables a vehicle owner to smoothly extract engine oil independently without lifting the vehicle, is green, energy-saving and emission-reducing, can adjust an extraction point position, is suitable for different engine oil pans, effectively reduces the residual oil quantity in the engine oil pans, does not damage a chassis protection plate and a gasket, and improves the production efficiency. And the risk of oil leakage is avoided, the daily requirement of a vehicle owner for vehicle maintenance can be met, and the problems existing in the prior art are solved.