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8results about How to "Guaranteed location" patented technology
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High-leakproofness leakproof casing head for oil field wellhead
The utility model discloses a high leakproofness leakproof casing head for an oil field wellhead, which belongs to the technical field of oil well casing heads, and comprises a casing head main body and a connecting pipe, the casing head main body and the connecting pipe are in bolted connection, sealing assemblies are arranged in the opposite sides of the casing head main body and the connecting pipe, and the sealing assemblies are connected with the casing head main body and the connecting pipe. The surface of the sealing assembly is in close contact with the casing head main body and the inner wall of the connecting pipe; the sealing assembly comprises a sealing ring, and the sealing ring is located between the opposite sides of the casing head body and the connecting pipe, so that the problem that after an existing casing head for an oil field wellhead is connected with an inlet and a Christmas tree, abrasion is generated between the casing head and the Christmas tree connecting pipe when vibration is generated during work of an oil pumping pipe in the later period of an oil well is solved; therefore, the service life of the sealing structure between the casing head and the Christmas tree is prolonged, the sealing performance is reduced, and the using effect is affected.
Owner:MUDANJIANG NORTH OILFIELD MASCH CO LTD
Positioning tool for processing a cylinder head cover
The utility model belongs to positioning frock technical field, concretely is a kind of positioning frock for cylinder cover processing, including first fixed plate, second fixed plate, first cylinder cover and second cylinder cover, the lower surface fixed mounting of first fixed plate is equipped with mounting seat, the lower surface fixed mounting of mounting seat is equipped with first hydraulic cylinder, the inside movable mounting of first hydraulic cylinder is equipped with first piston rod, the end part fixedly connected with rubber sleeve of first piston rod, the lower surface fixedly connected with hinged seat of first fixed plate. By first hydraulic cylinder cooperation first piston rod, first hydraulic cylinder can drive first piston rod telescopic, to make first piston rod can be through rubber sleeve and promote first locating plate contact to first cylinder cover, to form fixed for it, since first cylinder cover cannot promote second locating plate displacement, to make first locating plate not easy to promote first cylinder cover and produce displacement, further guarantee positioning position.
Owner:ZIBO OUHENG MASCH CO LTD
An underground tunnel crack repair intelligent drilling device, a mechanical arm and a method
ActiveCN115898258BImprove impact performanceavoid duplicationMining devicesNon-rotating vibration suppressionUnderground tunnelMechanical engineering
The application provides an underground tunnel crack repairing intelligent drilling device, a mechanical arm and a method, relates to the field of underground intelligent repairing equipment, and aims to solve the problems of low intelligence degree and easy damage of a detection assembly caused by drilling impact during drilling of a crack in an underground project. A matched detection assembly is arranged on a drilling assembly, crack state parameters can be collected during drilling, and auxiliary positioning can be performed. The detection assembly is installed on a support plate through a sliding pair with a resilient piece. When vibration occurs during construction, part of the vibration can be absorbed by the resilient piece. The direction of action of the resilient piece is consistent with the drilling direction, so that the impact effect generated during drilling is improved, and the detection equipment is protected.
Owner:SHANDONG UNIV
Terminal module and connector using the terminal module
ActiveCN115051211BImprove shielding effectGuaranteed locationCoupling device detailsStructural engineeringMechanical engineering
Owner:CHINA AVIATION OPTICAL ELECTRICAL TECH CO LTD
Dustproof power distribution cabinet
ActiveCN222508413UGuaranteed locationGuaranteed cleaning effectDispersed particle filtrationTransportation and packagingStructural engineeringMechanical engineering
The utility model discloses a dustproof power distribution cabinet, which belongs to the technical field of power distribution cabinets and comprises a cabinet body, a cabinet door covering a front opening of the cabinet body, a ventilation opening arranged on the cabinet body, and a dustproof assembly arranged at the ventilation opening. The dustproof assembly comprises a shell, a mounting plate, mounting seats and a dustproof cloth bag, the shell is clamped to the ventilation opening, the interior of the shell is hollow, the mounting plate is arranged in the shell, a plurality of mounting grooves are formed in the mounting plate, the mounting seats are assembled on the mounting grooves respectively, and the dustproof cloth bag is arranged in the mounting grooves. One end of the dustproof cloth bag is assembled on the mounting base, the other end of the dustproof cloth bag extends towards the interior of the cabinet body, and an air passing opening formed in the mounting base is communicated with a dust collection cavity formed in the dustproof cloth bag. According to the utility model, the problem that the dustproof assembly assembled on the cabinet body is inconvenient to disassemble and clean manually is solved, the labor intensity of manual disassembly and cleaning is reduced, and the cleaning effect of the dustproof assembly is ensured.
Owner:SICHUAN AIBIKE ELECTRIC CO LTD
Cleaning brush
This utility model relates to the field of power tool technology, and in particular to a cleaning brush. A cleaning brush includes: a main unit and an extension rod assembly; the extension rod assembly includes: a telescopic rod, a rear handle, a rod housing, a rod PCB board, a rod battery, and a rod button; the rod housing forms the front grip portion; the rod housing is located at the connection point between the inner and outer sleeves of the telescopic rod; the rod PCB board is mounted on the rod housing. The advantage of this utility model is that the extension rod assembly is equipped with a rod PCB board, a rod battery, and a rod button, allowing remote control of the main unit via the rod button, eliminating the need for control via the main unit's buttons, thus simplifying use. The rod PCB board is located on the rod housing at the connection point between the inner and outer sleeves of the telescopic rod, and during use, the rod button is positioned in front of the user for easy access. The distance between the front grip portion and the rear handle can be controlled by extending and retracting the telescopic rod to meet the gripping needs of different users.
Owner:SHANGHAI HOTO TECH CO LTD
Aquaculture system and farm
The utility model belongs to the technical field of ocean engineering equipment, concretely relates to a breeding system and a breeding farm, the breeding system includes: main platform, breeding assembly is surrounded in main platform, and is set up with the interval with main platform, to form first passageway, and the breeding assembly is seted up with the opening of intercommunication with first passageway, the breeding assembly includes: floating layer, first fixed layer, second fixed layer, first breeding layer and second breeding layer, floating layer is located between first fixed layer and second fixed layer, first breeding layer is located between first fixed layer and floating layer, and second breeding layer is located between second fixed layer and floating layer, wherein, the top and bottom of first breeding layer are connected with first fixed layer and floating layer, and the top and bottom of second breeding layer are connected with second fixed layer and floating layer.
Owner:任晋原
Hand-held backpack type cutting and irrigating equipment
The utility model relates to the technical field of brush cutters, and particularly discloses a hand-held backpack type brush cutting device which comprises a cutting assembly, and the cutting assembly comprises a working rod, a tool bit arranged at one end of the working rod and an engine arranged at the other end of the working rod. The tool bit comprises a connecting shaft rotationally arranged on the working rod and a blade arranged on the connecting shaft, the connecting shaft is in transmission connection with the engine, a support is arranged on the working rod, and a roller is arranged on the support. The brush cutter can be used more easily.
Owner:BEIJING ZHONGLINJIACHENG SCI & TECH CO LTD