11results about How to "Guaranteed reuse" patented technology

The application discloses a novel modular steel-concrete composite joint, comprising a corner column and a sleeve module, the corner column is a right-angle three-axis frame structure, a plurality of corner columns are spliced to form a corner column unit according to needs, the corner column units are connected through the sleeve modules, the sleeve module and the corner column unit are hollow structures, and the hollow structures are filled with concrete. The novel modular steel-concrete composite joint has the characteristics of high connection integrity, safety and reliability, clear force transmission path, replaceable damaged components and the like, and simultaneously has superior anti-seismic performance and detachable and reusable characteristics. The novel modular composite joint adopts a self-recovery device, which not only guarantees the reusability and rapid post-earthquake repairing capacity of the module unit, but also realizes reasonable outward movement of a plastic hinge, and significantly improves the energy consumption and deformation capacity of the structure.

This application discloses a zero-carbon emission cement production device and method based on hydrogen energy utilization. The production device includes: a hydrogen production system, a fuel cell system, a waste heat recovery system, a cement clinker calcination decomposition furnace system, a cement clinker calcination rotary kiln system, a grinding system, and a methanol synthesis system. This application uses hydrogen to partially replace the kiln fuel, which can achieve carbon emission reduction with minimal changes to the existing cement production line technology and at a relatively low modification cost. Addressing the high energy consumption and high carbon emissions in the cement industry, this application optimizes the material and energy flow throughout the entire cement production process, achieving the recycling of materials and the cascade utilization of energy, ensuring the low-carbon and environmentally friendly nature of the entire production method.

This invention relates to a relay and an automatic circuit protection method using the relay. The relay includes a housing, conductive steps disposed on the inner walls of the left and right sides of the housing, and a stepped conductive bridge that can dynamically fit with the conductive steps. External cables pass through the housing and are electrically connected to the conductive steps. A piston push rod device drives the conductive bridge to rise and fall, connecting or disconnecting it from the conductive steps. The piston push rod device is driven by vapor generated by the sublimation of an easily sublimable substance. This relay and the automatic high-voltage circuit protection method using the relay are not only reusable, but also have a simple and stable structure, low manufacturing and assembly costs, stable operation, long service life, and can reliably achieve power cut-off in a fire.

The flexible air bag core mold comprises a flexible air bag, a core shaft and an inflation device, and the core shaft penetrates through the flexible air bag and is fixedly connected with the flexible air bag; the core shaft is a hollow core shaft, a vent hole is formed in the core shaft, a hollow cavity of the core shaft is communicated with the flexible air bag through the vent hole, and the inflation device is communicated with the hollow cavity of the core shaft. Compared with a traditional sand core mold, the flexible air bag core mold has the advantages that the use efficiency is greatly improved, and repeated use of a winding shell manufactured subsequently is ensured, so that the cost is saved.

The application discloses a positioning tool for detecting the diameter of a ball pocket hole of a nylon retainer, which comprises a base plate, a sliding seat arranged on the base plate, a Z-shaped plate arranged on the sliding seat, a vertical plate of the Z-shaped plate, a sliding groove arranged on the vertical plate, a sliding seat arranged in the sliding groove, a threaded adjusting shaft arranged on the upper end of the Z-shaped plate and connected with the sliding seat, and an arc-shaped plate group arranged between the sliding seats. The arc-shaped plate group is arranged to simulate the distribution circumference of the ball pocket hole of the nylon retainer, so that the positioning assembly can accurately fit the measured workpiece, the positioning datum is consistent with the measured object, and the repeatability and accuracy of measurement are effectively improved. The sliding seat can be freely adjusted in the horizontal and vertical directions on the base plate, the Z-shaped plate can be adjusted in the height direction through the threaded adjusting shaft, and the sliding adjustment function of the arc-shaped plate group in the guide groove is combined, so that the tool is suitable for nylon retainers of various specifications and models and has good universality.

This utility model relates to the field of reducer assembly technology, and more particularly to a rear wheel-side reducer assembly for off-road vehicles. Its technical solution includes: a reducer body, on which an upper housing is provided, the upper housing being fixed to the reducer body by mounting bolts and mounting nuts; fastening mechanisms are provided at both ends of the reducer body, the fastening mechanisms being used to connect and fix the reducer body and the upper housing; the fastening mechanism includes a mounting component, a locking component, a pressing component, and a resetting component, the mounting component connecting the reducer body and the upper housing, the locking component securing the mounting bolts and mounting nuts, the pressing component pressing the locking component, and the resetting component resetting the locking component and limiting the pressing component. This utility model meets the requirements of reducer assembly use, providing secondary fixing and limiting at the connection between the reducer body and the upper housing through the fastening mechanisms during use, preventing loosening and potential safety hazards.

The application provides a kind of cross-line bridge quick dismantling system, including multiple dismantling equipment, dismantling equipment adopts track jacking mobile dismantling structure, dismantling equipment is arranged on flat car, flat car is equipped with hydraulic pump station and generator, hydraulic pump station and generator are connected with dismantling equipment. Also provided is a crane, which is used to assemble the dismantling equipment. Also provided are multiple cushions and support expansion foundations; the support expansion foundations are made of cement pouring or precast cement piers; the cushions are made of precast cement piers or wooden pier seats; the multiple dismantling equipment is electrically connected with a control center, which controls the synchronous movement of the track carrier of the dismantling equipment. By adopting a modular support design, standard modules and adjusting blocks can be installed according to the height of the overpass to meet the construction requirements, and can be quickly disassembled and assembled on site. Since the dismantling process does not interrupt traffic, traffic congestion caused by construction can be avoided. Vehicles and pedestrians can continue to pass through the bridge and will not be affected by the construction.

This application discloses a model access method, apparatus, storage medium, and computer device, relating to the computer field. The method includes: receiving an access request through a RESTful interface; wherein the access request carries a user identifier, model name, business capability name, and business parameters; determining a target model in a model set based on the model name; wherein multiple models in the model set share the RESTful interface; using reflection to invoke a class object indicated by the business capability name in the target model; and returning the invocation result obtained by the class object in response to the business parameters to the user indicated by the user identifier. This application can save time in model development and expansion, avoid adding a large number of interfaces during model expansion, improve development efficiency, and ensure code reuse.

The utility model discloses a polishing cooling mechanism for optical lens, including the main part, the fixed baffle in the main part, baffle one side is equipped with the deflector, baffle other side is equipped with the water storage warehouse, the water storage warehouse top is equipped with the equipment warehouse, equipment warehouse fixed in the main part side edge top position, the deflector downside is installed the motor, the motor output is fixed with the pivot, the pivot penetrates the deflector, and the pivot upper end is installed the polishing seat, the polishing seat upside is equipped with the polishing cover, the polishing cover is connected with the connector. This polishing cooling mechanism for optical lens is equipped with the polishing cover on the polishing seat, and is equipped with the water hole on the polishing cover, can with the water pipe, connecting rod, connector inject the intermediate position between polishing cover and polishing seat, in this way, in the polishing process, the coolant can diffuse from the polishing center position, guarantee that the coolant acts on the polishing position evenly, thereby improve the polishing cooling work efficiency and quality.

The application discloses a magnetorheological and latch integrated locking device, which comprises at least one clamping arm installed on a pipe pulling machine and used for locking a joint pipe, the clamping arm comprises oppositely installed first and second arc-shaped arms which are hinged, and a second telescopic rod used for driving; and further comprises a latch mechanism and a magnetorheological mechanism, wherein the magnetorheological mechanism comprises a magnetorheological liquid bag installed close to an inner side wall and an excitation coil used for providing a strong magnetic field. The magnetorheological flexible and close locking and the latch mechanical clamping locking structure are integrated, and the two structures are in cooperation, so that the joint pipe is effectively prevented from slipping, moving and accidentally falling during the pulling process, the locking reliability is greatly improved, and the operation requirement of the pipe pulling machine for large load pulling is met.

The utility model provides efficient temperature control equipment for vegetable dehydration, which relates to the technical field of vegetable dehydration and comprises a dehydration box and a fixing frame, two hot-air blowers are fixedly mounted at the top of the fixing frame, air pipes are fixedly mounted on one sides of the outer walls of the two hot-air blowers, and the outer surface walls of the two air pipes are fixedly inserted into the top of the dehydration box. According to the device, the two electric push rods are started through the controller to drive the two strip-shaped columns to rotate on the two first supporting shafts and the two second supporting shafts, so that the two corrugated pipes and the two connecting pipes can be driven to swing back and forth in a small range, and the hot air outlet direction of hot air along the two corrugated pipes and the connecting pipes is changed; according to the vegetable dehydration device, hot air can be quickly covered in a plurality of areas in the dehydration box, uniform heat distribution is ensured, and internal air flow is promoted, so that the condition of non-uniform heat in part of the areas is avoided, the optimal dehydration effect is achieved, and the high efficiency of vegetable dehydration is improved.