16results about How to "Safe and reliable structure" patented technology

The application discloses a magneto, which comprises a shell, a magnetic core, a spring, a shear plate, a shear pin and a coil; the magnetic core is arranged in the shell; the spring is arranged between the magnetic core and the shell, and the lower end of the spring is abutted against the inner side surface of the shell; the shear plate and the guide cylinder are sleeved on the outer side surface of the magnetic core, and the upper end of the spring is abutted against the bottom of the shear plate; the shear pin is arranged on the shear plate and is inserted into the magnetic core; the magnetic core is cut off from the shear pin when moving downwards in the shear plate; the bottom of the shell is provided with the coil; the magnetic core enters the coil after being cut off from the shear pin, so that the coil generates an induced voltage. The magneto of the application can cut off the shear pin under the condition of low acceleration and long duration, and the magnetic core can pass through the coil under the guidance of the guide cylinder to generate an induced voltage, so that the purpose of triggering the magneto is achieved; the structure of the magneto is safe and reliable; the magneto is low in cost and can be triggered under specific conditions.

The utility model relates to power construction auxiliary equipment technical field, concretely relates to a multifunctional tool box for electric power engineering, including tool box body, storage component, storage component installs at one side of tool box body, and storage component is used for storing the tool, lighting assembly, lighting assembly installs inside tool box body, and lighting assembly is used for lighting. Compared with prior art, the application provides stable lighting, tool classification storage and convenient access, and the function of quickly setting up a temporary work platform under insufficient light environment by setting lighting assembly, storage component and flat plate structure, the practicability, multifunctionality and on -the -spot operation efficiency of tool box are improved significantly, and the single function, inconvenient use problem of traditional tool box is solved.

The application discloses a composite locking structure for mountaineering, and belongs to the technical field of outdoor protective equipment, which is used for providing a composite locking structure for mountaineering which is safe and more convenient to wear and remove, comprising a cover, a plug-in buckle body and a rear-end open shell, the front end of the shell is provided with a gap opening through the front and rear end faces, a lock cylinder is arranged in the shell, the lock cylinder comprises a sliding plate, the front face of the sliding plate is provided with a blocking block, the front face of the blocking block is provided with an unlocking button, and the front face of the sliding plate is further provided with four lock hooks, the end of each lock hook away from the sliding plate is provided with a hook claw, and the four side walls of the shell are provided with plug-in interfaces through the inner and outer walls. The lock cylinder structure with four lock hooks can simultaneously lock and unlock the plug-in buckle body in four directions, the safety belts do not need to be connected one by one when being worn, and the safety belts do not need to be unlocked one by one when being removed, so that the composite locking structure is more convenient to wear and remove the mountaineering safety belts.

The utility model discloses the technical field of drainage medical instrument, especially, relates to a chest drainage tube, including connecting piece, and through its connection's outer sleeve and inner sleeve, and through the extension pipe of connecting cover connection in inner sleeve top, be equipped with cooperation at least one boss and at least one buckle connecting portion with connecting cover bottom portion respectively in connecting piece's top, the boss and buckle connecting portion cooperation clasp to open or lock the connecting piece and connecting cover, and still be equipped with connecting seat in the connecting piece in the boss bottom, the connecting seat is equipped with the limit hole, inlaying wave pearl screw in the limit hole, the outer sleeve and inner sleeve, extension pipe can form liquid injection flushing, drainage channel through the assembly of connecting piece and connecting cover, the chest drainage tube of the utility model, the connection and disassembly between outer sleeve and inner sleeve, simple and convenient operation can effectively prevent leakage, and flushing / administration is easy and convenient.

This utility model discloses a toilet back panel opening and closing device, including a toilet body, an openable and closable toilet seat ring, and a cleaning chamber at the rear of the toilet body. The cleaning chamber contains a cleaning space, and the front face of the cleaning chamber has an opening for the toilet seat ring to pass through. A movable back panel is provided on the cleaning chamber, and the back panel moves to open and close the opening. When the toilet seat ring is lifted, it can be moved into the cleaning space through the opening. This utility model, by designing a cleaning chamber and providing a movable back panel, allows the toilet seat ring to be lifted into the cleaning chamber when the back panel is raised. When the back panel is lowered, the toilet seat ring is separated from the toilet body. This allows for cleaning of the toilet seat ring inside the cleaning chamber without water splashing onto the toilet body, effectively preventing cross-contamination.

This invention discloses a universal concrete slab system with no-removal bottom formwork, its construction method, and a carbon emission reduction calculation method, belonging to the field of prefabricated building technology. The core system consists of prefabricated no-removal bottom formwork units, a coordinating load-bearing steel reinforcement skeleton, a post-cast composite concrete layer, and a support and force transmission system. These are fixedly connected to bidirectional reinforcing bars via embedded connectors to form a coordinating load-bearing skeleton, ensuring a firm bond between the prefabricated bottom formwork and the post-cast layer, creating an overall load-bearing structure with the same strength as a fully cast-in-place slab of the same thickness. The prefabricated bottom formwork can be finished with white cement, achieving a unified attribute of temporary formwork, permanent structure, and finished decorative surface. The supporting construction method is designed to fit the specific characteristics of the system, significantly simplifying construction procedures. The carbon emission reduction calculation method is tailored to the dual / triple attributes of the no-removal bottom formwork, with specific calculation rules. This invention features a safe and reliable structure, wide applicability, and outstanding green and low-carbon effects, making it suitable for various civil and industrial building projects and complying with dual-carbon policy requirements.

This utility model provides a novel tunnel escape pipeline device, relating to the technical field of escape pipeline devices. It includes a pipeline body, clamping blocks disposed on the outer side of the pipeline body, support members disposed on the outer sides of both ends of the pipeline body, a clamping plate disposed on the outer side of the middle portion of the pipeline body, and clamping components disposed below the middle portion of the pipeline body. The entire operation only requires activating a telescopic cylinder to complete the linkage clamping and self-locking, eliminating the need for complex tools. This simplifies the pipeline assembly process, facilitating the rapid construction of a passage in emergency escape scenarios. Furthermore, the robust clamping and self-locking design ensures the structural safety of the pipeline during escape, reducing the risk of collapse and detachment.

The utility model provides a kind of mirror assembly, including support, top hat and locking mechanism, support is equipped with mirror, the one end of support is equipped with first pivot, the end of first pivot is equipped with sphere, sphere is rotatably equipped in a recess;Top hat is equipped in the side of sphere's back to recess, top hat is contacted with sphere, for preventing sphere from being taken out from recess;Locking mechanism cover is equipped in the outside of top hat, locking mechanism is used to fix the position of top hat relative to recess.The utility model provides a kind of mirror assembly, simple structure, smaller, it is convenient to assemble, and need not custom component, can save cost.In addition, the utility model also provides a kind of head-up display device.

A lighting fixture, relating to the field of lighting fixture technology, includes: a lampshade, a control circuit board, a light-emitting element, and a driving power supply assembly. One side of the lampshade has a light-transmitting surface; the control circuit board is mounted inside the lampshade; the light-emitting element is mounted on the control circuit board; the light-emitting element's light-emitting direction faces the light-transmitting surface; the driving power supply assembly is mounted on the control circuit board; and the control circuit board, the light-emitting element, and the driving power supply assembly are electrically connected. This technical solution offers advantages such as convenient assembly and disassembly, small size, and high safety and reliability.

The utility model relates to astronomical observation equipment field discloses a kind of astronomical telescope quick locking device, and its technical scheme main point is including direction angle adjusting locking structure, direction angle adjusting locking structure includes horizontal bearing platform, center column, transverse turntable, thrust bearing, electromagnet locking column;Horizontal bearing platform and transverse turntable are annular column, and horizontal bearing platform fixedly sleeved in the bottom outside of center column, and the bottom end of center column is fixedly connected with the support top end of telescope, and the top surface middle part of horizontal bearing platform is provided with the limiting slot matched with transverse turntable, and transverse turntable movably sleeved in the outside of center column, and thrust bearing is arranged between the bottom surface of transverse turntable and the groove bottom surface of limiting slot;Horizontal bearing platform is provided with locking slot in the position corresponding to the lateral surface of transverse turntable, electromagnet locking column is arranged in locking slot, reset spring is connected between locking slot and electromagnet locking column, and electromagnet locking column is equipped with power switch.

This utility model relates to the field of oil extraction, specifically to a sealing and isolating device; it includes an upper connecting unit, a desealing unit, a sealing unit, a lower connecting unit, and an anti-backflow unit; one end of the desealing unit is connected to the upper connecting unit, and the other end is connected to the sealing unit; the sealing unit is connected to both the lower connecting unit and the anti-backflow unit; and the lower connecting unit is connected to the anti-backflow unit. This device has a reasonable structure and is easy to operate. It greatly simplifies the construction process for renovating old wells in oil fields, reduces labor intensity, lowers operational risks, and reduces construction costs.

This invention discloses the structure and construction method of an arch bridge viewing platform. The specific structure includes a main beam, with prefabricated platform sections symmetrically arranged on both sides of the main beam along the bridge's centerline. The outer walls of the prefabricated platform sections are connected to cantilevered splicing sections. The ends of the two cantilevered splicing sections furthest from the bridge's centerline coincide with the ends of the main beam. End caps are provided at the ends of the main beam. The inner walls of the prefabricated platform sections are connected to main arch ribs. This invention's arch bridge viewing platform structure solves the problem of poor overall structural integrity in existing arch bridge viewing platforms. The construction method of this invention is simple to operate and allows for rapid construction.

The utility model relates to the technical field of shipbuilding, in particular to a multifunctional assembly box body structure for shipbuilding, which comprises a main box body, a containing groove is arranged on one side of the main box body, a door body is clamped in the containing groove, matching grooves are arranged on two sides of the door body, and box bodies are fixedly arranged on two sides of the main box body. A linkage mechanism is fixedly installed in the box body, the end of the linkage mechanism is connected with a clamping block in a matched mode, the end of the clamping block penetrates through the main box body and extends into the containing groove, and the end, extending into the containing groove, of the clamping block is matched with the interior of the matching groove. The multifunctional assembly box body structure for ship construction can conveniently disassemble and assemble the door body, and is worthy of popularization.

This invention discloses a deep learning-based method for co-optimization of cantilever widening and soil-rock coordination in mountainous highways. By acquiring geological survey and engineering monitoring data and fusing them from multiple sources, a comprehensive dataset containing soil-rock parameters, slope deformation, and load information is obtained. Subsequently, a generative adversarial network is used to deeply train this comprehensive dataset, accurately predicting the mechanical response of the soil-rock mass and the stress distribution of the cantilever structure. A co-optimization objective function is constructed with constraints of structural safety, ecological protection, and economic efficiency. A regression model is used to fit the quantitative mapping relationship between cantilever length, anchor bolt arrangement, and structural stiffness on soil-rock stability. Finally, a particle swarm optimization algorithm is used to iteratively search under multiple constraints to determine the optimal combination of the above parameters, which is then applied to the design of the cantilever structure. This invention significantly improves the design accuracy, safety, and overall benefits of cantilever widening projects under complex geological conditions.

The utility model is suitable for the field of ground anchor dismantling, provides a ground anchor dismantling device for smart grid, including support piece, adjusting part, clamping piece and jacks, the support piece includes support cylinder, the adjusting part includes operating lever, operating lever rotation is connected in support cylinder, operating lever outer thread has first threaded cylinder, the bottom of first threaded cylinder is connected with movable plate, the lower surface of movable plate is connected with fixed support, in the utility model, convenient and efficient, through the rotation operating block, can easily drive the clamp sleeve of bolt type expansion ground anchor to carry out quick clamping and fixing, compared with traditional manual fixing mode, greatly shorten the preparation time, rotation operating lever can realize the steady pull -out of ground anchor sleeve, need not many people cooperation and complex operation, significantly improve the dismantling efficiency, reduce the manpower.