22results about How to "Ensure safe operation" patented technology

The utility model provides a kind of support platform for dam body bracket concrete construction, belong to dam reinforcement construction technical field, comprising: concrete thickening layer, steel formwork, triangular support frame, adjustable support piece.The utility model, by design concrete thickening layer, steel formwork, triangular support frame and adjustable support piece, concrete thickening layer improves the strength of concrete gravity dam to some extent, and provides the basis for the installation of steel formwork, avoid the damage caused by direct anchoring on original dam body, moreover, the height of steel formwork, triangular support frame design is lower than the bracket bottom mould of pre-pouring reinforced bracket, and adjustable support piece is used to support the bracket bottom mould of pre-pouring reinforced bracket, when disassembling the bracket bottom mould of pre-pouring reinforced bracket in later period, it is very convenient, and triangular support frame forms processing platform, processing platform is used as construction operation passageway, for personnel walking and temporary storage of light material and tool, guarantee the safe operation of construction personnel.

The utility model discloses a folding arm crane used under a well. The folding-arm crane used underground comprises a moving trolley, first hydraulic supporting legs are arranged at the four corners of the moving trolley, a roof-contacted hydraulic supporting leg is arranged on one side of the top of the moving trolley, a rotary support is arranged on the other side of the top of the moving trolley, a rotary support is arranged on the top of the rotary support, and a foldable hanging bracket is arranged on the top of the rotary support. The utility model solves the problems in the prior art that the hoisting amplitude cannot be adjusted, collision is easy to occur in a narrow roadway, and larger potential safety hazard exists.

This application discloses a luffing tower crane jib head, including a modularly designed jib head frame, hoisting pulley block, and maintenance basket. The jib head frame consists of a lower section structure, a main chord structure, and a first diagonal web member, which is stable and easy to connect. The lower section structure has detachable and modular outriggers at the bottom, which facilitates support during transportation and installation and reduces weight during operation. One end of the main chord member is firmly connected to the jib section, while the other end is closed to enhance strength. The first diagonal web member and the transverse web member form a triangular structure to distribute the force. The hoisting pulley block is equipped with a rope-stopping device, with the rope-stopping ring and rope-stopping rod providing double protection to prevent the wire rope from detaching and ensuring convenient wire rope passage. In addition, a walkway, handrails, and maintenance basket are provided to offer workers a stable working platform. This application improves the spatial adaptability, safety, and operational efficiency of the luffing tower crane jib head while reducing costs.

The application relates to a water-depth-adaptive suspension ballast type floating offshore wind power foundation and a use method thereof, and belongs to the technical field of floating offshore wind power generation. The wind power foundation comprises a three-column semi-submersible foundation, a mooring system and a control system. The three-column semi-submersible foundation comprises three vertical columns, a support rod and a ballast caisson. The ballast caisson is connected with a sliding rail arranged on the side wall of the vertical column through a sliding rope, the ballast caisson is moved up and down relative to the vertical column, the position of the ballast caisson is adjusted through the control system, the position of the gravity center of the foundation and the draft are adjusted, different environmental conditions are adapted, and the stability and the overturning resistance are ensured. The use method comprises monitoring environmental conditions, calculating an overturning torque, calculating an overturning resistance torque, adjusting the depth of the ballast caisson and data recording and analysis. The depth required by the ballast caisson to be moved is deduced through the calculation of the overturning torque, so that the gravity center and the floating center of the foundation are kept at a proper position, and the risk of overturning of the foundation is reduced.

The present disclosure provides a Beidou fusion positioning-based intelligent safety helmet and work safety supervision system, the intelligent safety helmet comprising: a helmet body, a Beidou positioning module, an image acquisition module, a gas acquisition module, a driving mechanism and a control module; wherein the control module is configured to control the driving mechanism to synchronously drive the image acquisition module to rotate along the circumference of the helmet body and the gas acquisition module to suck air around the helmet body, so as to acquire image data around the helmet body through the image acquisition module and acquire gas data around the helmet body through the gas acquisition module; the control module is configured to acquire coordinate data of the helmet body through the Beidou positioning module, and send the image data, the gas data and the coordinate data to a remote monitoring system. In the Beidou fusion positioning-based intelligent safety helmet and work safety supervision system of the present disclosure, the supervision intensity on the workers is effectively improved, and the safe work of the workers is ensured.

The invention relates to the technical field of transmission line tower footing detection in permafrost regions, in particular to an omnidirectional automatic monitoring device for transmission line tower footing deformation, which comprises a tower deformation monitoring transmitter, a tower foundation deformation monitoring transmitter and a tower footing deformation monitoring receiver, the tower deformation monitoring transmitter, the tower foundation deformation monitoring transmitter and the tower footing deformation monitoring receiver are arranged, displacement monitoring in the horizontal direction and the vertical direction is conducted on the power transmission line tower footing in a laser irradiation mode, whether the power transmission line tower footing deforms or not is conveniently and rapidly detected and judged, and therefore early warning and timely disposal are achieved; safety operation of the power transmission line is guaranteed, full-automatic monitoring of deformation of the power transmission line tower footing is achieved, a basis is provided for repair and replacement of the power transmission line tower footing, manual detection difficulty in plateau and the like is avoided, the deformation condition of the tower footing is accurately judged in areas where the power transmission line tower footing deforms, and the purpose of efficiently monitoring deformation of the tower footing in real time is achieved.

This utility model discloses an outdoor unit for an air conditioner and an air conditioner having the same. The outdoor unit includes an air duct, fan blades, and an air guide ring. The cross-section of the air guide ring along the air outlet direction includes a first air guide section and a second air guide section. The airflow passes through the second air guide section and the first air guide section before exiting the outdoor unit. The cross-sectional projection of the first air guide section is an inclined straight line, while the cross-sectional projection of the second air guide section is a plurality of sequentially connected arcs. By sequentially arranging the air guide ring at the end of the air duct into a first air guide section and a second air guide section along the air outlet direction, and by setting the cross-section of the first air guide section as an inclined straight line and the cross-section of the second air guide section as a continuous arc segment, the first air guide section can better guide the airflow to the fan blades for driving circulation. The gap between the second air guide section and the fan blades is relatively small, increasing the airflow of the outdoor unit, reducing the rotational speed of the outdoor unit, thereby reducing the operating noise of the outdoor unit and improving the user experience.

The application relates to the technical field of basement leakage repairing construction, in particular to a basement leakage repairing construction device and method based on structural form adaptability; the device comprises a flow divider, the flow divider is arranged on a concrete base body, and the flow divider is used for guiding the directional flow of a high-pressure water flow in the concrete base body in cooperation with a drill rod; the flow divider is installed in advance at a leakage position of the concrete base body, pressure relief is realized in cooperation with the drilling of the drill rod, the influence of the sprayed high-pressure water flow on operators and instruments and equipment when the drill rod penetrates a high-pressure water bag or a pressure-bearing water layer can be avoided, the normal and safe operation of the operators and the instruments and equipment can be effectively ensured, the sprayed high-pressure water flow can be effectively restrained, further expansion of a hole opening and further cracking of the concrete base body can be avoided, and the stability of the concrete base body in the leakage repairing process and the repairing quality can be improved.

The application provides a kind of urban renewal outer envelope assembled PVDF film structure and its safe construction method, including a variety of different size unit film, unit film adopts film edge lock to increase strength, and set up binding eye, binding rope is fixed in building structure outer steel frame through binding eye, sealing lap film is closed between adjacent unit film;It also includes the air rib membrane system arranged on the top of old building, big and small air rib membrane is fixed on the steel frame through nylon rope, the outside is covered with waterproof apron, and the outermost layer is fixed with a rope, to form a sealed whole;Air rib membrane system detects the change of air pressure through air pressure detection system, opens and closes the inflation pump through control system and cooperates with ventilation duct to ensure that the air pressure in air rib membrane is stable, forming an arch structure.The application can block the outward transmission of internal construction noise and the dust pollution environment caused by internal construction, while ensuring the safety of workers during the construction of the frame body.

The invention relates to a double-body floating type anti-storm mass transfer system which is characterized in that a porous water-permeable plate is laid on a connecting bridge frame, and a mass transfer assembly is arranged on the porous water-permeable plate; semi-submersible floating bodies are arranged on the left side and the right side of the connecting bridge frame respectively, a front wave absorbing device is movably connected to the wave facing side of the connecting bridge frame through a hydraulic damper, and a rear wave absorbing device is fixedly arranged on the wave back side of the connecting bridge frame; the wave absorbing device comprises more than three porous grid plates, the pore diameters of the more than three porous grid plates are sequentially reduced from outside to inside, a gap is reserved between every two adjacent porous grid plates, and the lengths of the gaps are different. The front wave absorbing device can swing around a shaft along with the action of waves, absorbs and dissipates a large amount of wave energy, and interferes with the wave phase. The penetrating waves continue to spread backwards, are diffracted when passing through a slit between the double porous grid plates, and are further weakened through porous friction and vortex dissipation. And a calm shielding area of which the wave height is obviously reduced is formed in the area where the mass transfer assembly is located.

The invention relates to a deepwater and ultra-deepwater well cementation multifunctional vibration guiding shoe which comprises a radial vibration module and a rotor module, the radial vibration module comprises a stator core shaft, rupture disk assemblies and a rotor assembly, the stator core shaft is of a hollow cylindrical structure with the two ends open, and the rupture disk assemblies are arranged in an inner cavity of the stator core shaft at intervals; the rotor assembly is arranged on the outer wall of the stator core shaft in a sleeving mode, and the stator core shaft is provided with a plurality of flow channels which are in fluid conduction connection with the rotor assembly. The rotary drum is arranged on the outer wall of the stator core shaft in a sleeving mode and located outside the rotor assembly, and the eccentric guide shoe is assembled on the rotary drum and located at the downstream end of the stator core shaft; the axial vibration module comprises an eccentric block, the eccentric block is arranged in the eccentric guide shoe, and an eccentric hole is formed in the eccentric guide shoe. The device can effectively improve the well cementation operation efficiency and quality, and is suitable for well cementation construction under various complex working conditions.

The application provides an engine rotor blade tip multi-parameter design method, system and related device, relates to the rotor blade tip design technical field, and the design method comprises the following steps: S1, calculating a blade tip deformation amount, and drawing a blade tip thermal profile; S2, according to the blade tip thermal profile and the blade tip deformation amount, a blade tip final shape is drawn; S3, the deformation amount of a machine case is calculated, and a machine case cold profile is drawn; and S4, according to the machine case cold profile and the blade tip final shape, the cold installation gap of the blade tip and the machine case is determined. The application can ensure the safe operation of the engine under the condition of ensuring the performance requirements of the engine, and greatly improves the rationality of the gap design.

The invention relates to an operation control method of an aircraft-unmanned tractor, belongs to the technical field of automatic control of unmanned tractors, and solves the problem that an unmanned tractor cannot run according to a central line of a planned path in the prior art. Acquiring an image of a to-be-dragged aircraft by adopting a camera, acquiring point cloud data of the to-be-dragged aircraft and the distance between the unmanned tractor and the to-be-dragged aircraft by adopting a laser radar, and acquiring a deflection angle of front wheels of the to-be-dragged aircraft based on the image and the point cloud data; the clamping operation of the unmanned tractor is executed based on the deflection angle and the distance, and after the clamping operation is completed, the operation path of the unmanned tractor is obtained; and selecting a vehicle control model corresponding to the model of the aircraft to be dragged from the vehicle control model library, and controlling the unmanned tractor to implement a traction task along the operation path based on the vehicle control model. According to the technical scheme provided by the invention, the operation accuracy, stability and adaptability of the unmanned tractor and the operation control efficiency are improved.

The utility model relates to a railway vehicle electrical cabinet ground circulation device which comprises two strip-shaped movable bases which are mutually independent, each movable base is composed of a first section and a second section which can stretch out and draw back relatively, and movable wheels are installed below the first section and the second section respectively. The supporting surfaces of the first section and the second section are respectively provided with a fixing structure which is fixed with the electrical cabinet, and a locking mechanism which is used for being locked on any telescopic length is arranged between the first section and the second section. The electrical cabinet supporting device integrates a plurality of functions such as supporting, ground circulation and assembling of an electrical cabinet assembly process, and is high in universality, convenient to use and stable and reliable in supporting.

The utility model discloses a seawater culture anchor base system, including main culture area, the area surrounded by a plurality of adjacent wind power piles is operation area, the main culture area is located in the operation area, a plurality of anchor piles are fixed in the main culture area, a plurality of the anchor pile is arrayed, and four adjacent the anchor pile forms the subculture area around, still fixed with the anchor section between two adjacent the anchor pile of subculture area, still even fixed with a plurality of anchor rings along the length direction of anchor section, through setting up independent safe main culture area in offshore wind power operation area, and utilize a plurality of anchor pile array and anchor section and divide main culture area into a plurality of subculture area, so guarantee safe operation while, also can carry out rich diversification culture.

The application discloses a kind of dynamic scene under the motion control method of mobile manipulator and its application, using model predictive control, the state and control input quantity in future period are predicted, the deviation between the end pose of manipulator and target pose is added as a quadratic cost item to cost function, and set several collision points in the prominent position of mobile manipulator, the distance between these collision points and the obstacle in space is added as a penalty term to cost function, while the motion speed of robot, motion acceleration, the joint angle motion range of manipulator, joint angle acceleration and robot self-collision avoidance are added as constraint to model predictive controller, solve the optimal control input queue and act on the controller of robot, solve the defects, such as adaptability difference, stability deficiency of existing mobile manipulator in face of dynamic complex scene, improve the working stability of mobile manipulator robot.

The utility model discloses a settlement joint of an intensive bus duct, which comprises a box body, the box body comprises a U-shaped plate, mounting plates, sealing plates and connector units, the two open ends of the U-shaped plate are welded with the mounting plates, the two mounting plates are provided with the connector units through bolts, the two closed ends of the U-shaped plate are provided with screw holes, the screw holes are internally provided with adjusting screw rods, and the adjusting screw rods are connected with the U-shaped plate through bolts. Adjusting plates are further arranged on the two sides of the two closed ends of the U-shaped plate, strip-shaped settlement adjusting holes are formed in the adjusting plates, and adjusting screw rods are inserted into the settlement adjusting holes and are fastened through nuts on the adjusting screw rods; the upper end of the U-shaped plate and the upper end of the mounting plate are folded inwards to form a folding part, a sealing plate is connected to the folding part through a bolt, and a foaming adhesive tape is pasted to the periphery of the bottom of the sealing plate and makes contact with the folding part. And the position of the U-shaped plate can be adjusted through the adjusting holes, so that proper adjustment of the bus duct is realized, and safe operation of the intensive bus duct is ensured.

This invention discloses an anchored metal-clad exterior wall insulation structure with a decorative cover, comprising a metal cover panel, an insulation board, and a groove. The metal cover panel has a recessed platform with a through hole drilled into it. A groove is formed inside the recessed platform, and a straw hat-shaped gasket and a cover are installed within the groove. The insulation board is bonded and fixed to the exterior wall, and the metal cover panel is wrapped around the outer surface of the insulation board. A reinforcing plate is provided between the insulation board and the metal cover panel. The metal cover panel is connected to the exterior wall by anchors, which penetrate the through hole and the insulation board. Sealant is filled between the anchors and the cover, and the cover is fixed in the groove by the sealant. This anchored metal-clad exterior wall insulation structure with a decorative cover has a reasonable structural design. By setting the recessed platform and the cover, the anchors are installed in the recessed platform, and the cover is used for concealment, ensuring both the fixing effect of the insulation board and the aesthetic appeal of the decoration.

The utility model provides an engineering machinery LED working lamp capable of being stably installed. The engineering machinery LED working lamp comprises a rear shell, a lamp assembly, a mask and an installation frame facilitating installation of the working lamp. The rear shell is provided with a cavity, and the mask is connected with the rear shell and accommodates the lamp assembly in the cavity of the rear shell. The lamp assembly is connected with the rear shell, and the light-emitting face of the lamp assembly faces the mask. The mounting frame is provided with a mounting part and a fixing part which is detachably connected with the rear shell; the fixing part is attached to the rear part of the rear shell and extends outwards, and the part extending outwards serves as a mounting part; or, the fixing part is arranged across the rear shell, and the mounting part is arranged at the bottom of the fixing part. The LED working lamp for the engineering machinery not only can be conveniently and stably arranged on the engineering machinery so as to ensure stable illumination in the working process of the engineering machinery, but also is simple in structure so as to ensure safe operation of the engineering machinery.

This invention relates to the field of pumped storage power station construction, commissioning, and simulation technology, and particularly to a semi-physical hardware-in-the-loop (HIL) simulation method, system, electronic equipment, and storage medium for pumped storage units. The method includes: acquiring control logic-related data from the actual pumped storage power station unit and configuring this data into an electrical HIL simulation platform, enabling the HIL simulation platform to execute control logic consistent with the actual unit. This invention achieves high-fidelity replication of control logic by importing the actual unit's control logic and adapting it to the HIL simulation platform; it establishes a library of multiple commissioning scenarios to comprehensively verify the control logic; it drives synchronous closed-loop commissioning of primary and secondary modules, proactively identifying problems and reducing the risk and timeframe of actual unit commissioning; it quantitatively evaluates control logic performance from four dimensions, automatically detecting logic conflicts and timing deviations; and it provides data support for subsequent optimization scheme generation and secondary verification to form a closed-loop optimization, ensuring safe unit operation.

The application provides a deep seam mining method and system in a submerged environment. A large-diameter shaft is drilled to a target seam and cemented, the wellhead is sealed and pressurized, and water is injected into the wellbore to create a submerged environment. Then, an underwater mining robot is used to crush the ore in situ in the submerged environment and simultaneously implement roof support as needed. A water-gas mixed lifting system is used to lift the ore to the ground, and the resource is finely classified and purified. By creating a submerged environment, the static pressure of water can balance part of the ground pressure, reducing the impact of stress changes on rock stability, reducing safety accidents such as harmful gas outburst, and reducing tool wear by providing sufficient water supply for high-pressure water jet rock breaking operations. At the same time, the "submerged environment in-situ crushing-pipeline transportation-ground separation" integrated technology reduces the cost of building a well, making it easier to achieve automation and intelligent control for continuous mining and reduce operating costs.