20results about How to "Save adjustment time" patented technology

The application provides an environment simulation air extraction device cooperative optimization control method and system based on cooperative differential game, comprising the following steps: step 1, a dynamic model of the air extraction device is established. Step 2, the air supplement valve and the plurality of inlet valves are regarded as game participants, and a pressure-pressure ratio multi-objective optimization model based on cooperative differential game is constructed. Step 3, an approximate dynamic programming algorithm-critical neural network is combined to obtain an approximate Pareto optimal solution of the established game optimization model. Step 4, a cooperative optimization controller is designed: the inlet valve adopts PI control combined with a filter and an optimization item to realize cooperative control of pressure and pressure ratio. Step 5, on a multi-compressor parallel simulation platform, various complex working conditions such as valve leakage and compressor failure are set to verify the robustness and superiority of the algorithm. After the application of the technical scheme, the speed, robustness and anti-interference ability of the system based on the cooperative differential game cooperative optimization control algorithm are significantly improved.

The utility model provides a train brake beam overhauling device relates to train brake beam overhauling technical field, including fixed frame, still include many range clamping subassembly, many range clamping subassembly include fixed frame of fixed connection in fixed frame, have piston on fixed frame and slide, have inner slide bar on piston and fixed connection through transmission link, have carousel on inner slide bar and slide, have bottom plate on carousel and slide, have inner slide bar on bottom plate and slide, have telescopic link on fixed frame and fixed communication, have vertical slide on telescopic link and fixed connection, have clamping link on vertical slide and fixed connection, the utility model discloses the adjustment effect of many directions, need not to disassemble component and can quick adaptation size difference of different vehicle model, different wear degree brake beam, compatible majority of active service vehicle model, the adjustment time is greatly shortened compared with traditional equipment, has solved the inconvenient problem of adjusting the range of holding of prior art in background art.

The utility model relates to the technical field of elevator, especially transmission belt subassembly and elevator of a kind of. Transmission belt subassembly includes conveying frame, driving roller, driven roller, driving part, conveying belt, driving roller and driven roller are spaced apart in conveying frame along length direction, conveying belt is sleeved in driving roller and driven roller, driving part is drivingly connected with driving roller. Transmission belt subassembly further includes two adjusting assemblies, adjusting assembly includes skid platform and locking part, the skid platform of two adjusting assemblies is spaced apart in conveying frame along width direction, the both ends of driven roller shaft direction are rotatably arranged in corresponding skid platform, the position of skid platform is adjustable along length direction, locking part is configured to lock or unlock the relative position of skid platform and conveying frame. The elevator includes the above-mentioned transmission belt subassembly, the position of adjusting skid platform is along length direction, so that conveying belt keeps tension, locking part locks the relative position of skid platform in conveying frame, the quick adjustment of the tension state of conveying belt is realized, and the tension adjustment efficiency of conveying belt is improved.

This invention provides a high-precision anti-disturbance control method for UAV gimbals under transient impact loads, belonging to the field of precision servo control technology. It employs a cascade control architecture: the outer loop uses model predictive control (MPC) and introduces control increment constraints to plan an overshoot-free velocity trajectory; the inner loop uses linear active disturbance rejection control (LADRC) and establishes an extended state observer to estimate and compensate for the total disturbance of multi-stage transient impacts in real time. This invention, using the aforementioned high-precision anti-disturbance control method for UAV gimbals under transient impact loads, reduces the settling time to 0.18 s and lowers the maximum dynamic position error during firing to 0.0005 rad, achieving precise steady-state maintenance under high-impact environments.

This invention discloses an automatic welding device for the circumferential seam of a hydraulic cylinder with a tilting mechanism, which relates to the field of welding technology. Through the combined action of a burr removal component and multiple contour-following support components, the outer contour of the cylinder section can be simulated and contoured before forming support. This allows the tops of the burr removal component and some of the contour-following support components to form a contour shape that matches the cylinder section, creating a ring-shaped enclosure of the lower part of the cylinder section and providing stable support. When the support components form support for the bottom of the cylinder section, they work with the multiple contour-following support components on both sides to form simulated support for the cylinder section. Furthermore, while supporting the cylinder section, a high-speed rotating grinding wheel can grind the welded circumferential seam, removing metal burrs and weld slag generated during welding, avoiding stress concentration at the tips, and ensuring the connection strength of the weld.

The utility model provides a wall -hanging operation device structure, wall -hanging operation device structure includes the display unit of fixed in the one side of wall and the operation unit of rotation setting in the one side of wall, the surface of operation unit is equipped with mouse and keyboard, the bottom rotation of operation unit is equipped with folding subassembly, folding subassembly is equipped with pull -out telescopic unit in, the top of pull -out telescopic unit is equipped with the buckle groove, the wall -hanging operation device structure provided by the utility model, user can according to own height, operation habit and specific use scene, adjust operation unit to comfortable angle, effectively reduce the pressure of arm and neck, reduce the risk of occurrence of occupational disease, greatly improved the comfort and work efficiency of operation.

The application discloses a sinking well type shaft tunneling machine, which comprises a sinking well, a supporting device arranged in the sinking well and used for placing a tunneling machine body, a rotating assembly arranged at the bottom of the supporting device and used for driving the tunneling machine to move circumferentially, a hydraulic device arranged at the bottom of the rotating assembly and used for driving the tunneling machine to move linearly, a compensation device arranged on the hydraulic device and used for sharing reaction force, a digging device arranged at one end of the hydraulic device and used for completing digging of the bottom of the sinking well, and a buoyancy device arranged on the digging device and used for providing buoyancy to the digging device. The compensation rod is continuously extended to push the gas in the gas storage cavity, the gas is input into the expansion cavity through the gas conveying pipe, when the gravity center of the digging drill bit continuously approaches the shaft wall of the sinking well, the air in the expansion cavity continuously increases, the expansion rubber layer continuously expands, the buoyancy provided by the expansion rubber layer gradually increases, and the force provided by the digging drill bit to the hydraulic rod is reduced.

This utility model relates to a positioning structure for a grinding machine used in the production of chemical machinery parts, comprising a positioning disc and a shaft. The positioning disc is provided with several positioning elements for fixing cylindrical parts, and the shaft is provided with a connecting component and a driving component for expanding the positioning elements. This positioning structure of the grinding machine for chemical machinery parts production, by setting multiple positioning elements symmetrically distributed at the center to form a ring support, evenly disperses the radial force during grinding, solving the problem that single positioning points or asymmetrical clamping can easily cause parts to shake during grinding, resulting in substandard surface roughness. Furthermore, it uses positioning on the inner wall of the cylindrical part to avoid the clamping affecting the surface grinding process. Moreover, it uses flexible contact with a rubber sleeve instead of rigid clamping to eliminate the risk of scratches and deformation, solving the surface wear and deformation caused by conventional rigid clamping. Finally, it uses an electric push rod to drive the positioning elements to expand or contract synchronously, shortening the adjustment time and further improving production efficiency.

The application discloses a gas circulation reaction control method based on pressure change rate feedforward and related devices, and relates to the technical field of automatic control of chemical processes, and comprises the following steps: acquiring pressure data in real time and calculating a pressure change rate, when the absolute value of the pressure change rate meets a preset trigger condition, determining a target opening degree adjustment amount of a pressure regulating mechanism according to a numerical interval where the pressure change rate is located, and generating a feedforward control instruction, the lead perception of the pressure change trend replaces the dependence of traditional PID feedback control on deviation accumulation, significantly improves the inherent response lag characteristic of the traditional control mode, and effectively reduces the triggering of the equipment surge protection. Meanwhile, when the negative downward pressure change rate meets a preset sudden drop condition, a decoupling compensation instruction is generated to control the gas discharge mechanism to increase the gas discharge amount, thereby realizing the cooperative linkage of pressure regulation and gas discharge, and optimizing the pressure stability of the system under severe fluctuation conditions.

This utility model discloses a depth-limiting sheath assembly for endoscopic-assisted anterior cervical surgery, comprising an outer sheath and an inner sheath, the inner sheath being inside the outer sheath. The outer sheath has a depth-limiting locking block at its tip, which, during operation, can be locked in front of the cervical vertebrae to limit the depth of the sheath and endoscope. One end of the outer sheath is fixedly connected to a receiving cavity, and a pressure block is disposed within the receiving cavity. One end of the pressure block is connected to the receiving cavity via a first spring, and the pressure block is slidably connected to the receiving cavity. This utility model provides a depth-limiting sheath assembly for endoscopic-assisted anterior cervical surgery, which, through the relative movement of the spring-loaded pressure block between the endoscope and the sheath, limits the depth and allows for relative adjustment of the endoscope's position, facilitating observation of the intervertebral discs.

This utility model discloses an adjustable drying rack for noodle processing, including a base and an adjustment mechanism. The adjustment mechanism includes a support column, a fixing plate, a drying rod, an adjustment hole, an insertion rod, and a quick-fixing mechanism. The support column is fixed to the top surface of the base. The fixing plate has multiple sets of abutments against the outer wall of the support column. The drying rod is fixed to the outer wall of multiple sets of fixing plates. Multiple adjustment holes are respectively set on multiple sets of fixing plates and the support column. The insertion rod is inserted into the adjustment hole. The quick-fixing mechanism includes a fixing sleeve, a slider, a slot, a clamping plate, an abutment block, and a limiting sleeve. The fixing sleeve is inserted into the top of the insertion rod. The operator only needs to simply rotate the threaded sleeve to complete the entire fixing and releasing process without complicated tools or professional skills. This integrated quick-fixing mechanism greatly simplifies the operation process, shortens the adjustment time, reduces the technical requirements for operators, and effectively solves the problems of complex adjustment and low efficiency of traditional drying racks.

The application discloses a kind of line outer brush roller adjusting device and method, by placing upper and lower work roll assembly in the placement groove of turnover frame body, then by driving device drive turnover frame body and work roll assembly rotation adjustment angle, make work roll press in the position of work roll bearing seat close to brush roller under the action of gravity, after by the hydraulic motor of brush roller drive brush roller, eliminate gap, do not need on-line mode to carry out brush roller adjustment, simple operation, shorten the adjustment time, improve work efficiency, greatly reduce the labor burden of staff.The application simulates the real state of work roll brush roller in working time by off-line mode.When the turnover cylinder is extended, the turnover frame body is horizontal, and at this time, the hoisting of the work roll device can be carried out.After hoisting is completed, the turnover cylinder is retracted, the work roll device is tilted by 20° on the turnover frame, and under the action of gravity, the work roll is completely attached to the bearing seat, and the bearing side gap is eliminated, so that the real working condition is simulated.

This utility model discloses a four-beam laser interference micro / nano fabrication device, relating to the field of laser interference micro / nano fabrication devices. The device includes a processing apparatus comprising a circular mounting base, an adjustment mechanism, and a linear slide rail. The adjustment mechanism, via an electric slide block and the linear slide rail, enables precise adjustment and positioning of a first Q-switching module, a waveplate, a pulsed xenon lamp unit, a Dammann transmission grating cavity mirror, and an angle-adjusting mirror. Furthermore, the linear slide rail is engraved with a scale, making the adjustment process more intuitive and accurate. Operators can directly read the adjustment position and angle, ensuring precise alignment of the interference beam and high-quality formation of the interference pattern. This automated adjustment significantly shortens adjustment time, improves processing efficiency, and reduces errors that may be introduced during manual adjustment. Additionally, the adjustment mechanism lowers the skill requirements for operators.

This utility model discloses a low-grammage adhesive film production device, specifically relating to the field of adhesive film production technology. It includes a support substrate, with an extrusion die fixedly mounted on one side of the top of the support substrate via a bracket. A mesh belt conveyor system is provided at the bottom of one side of the extrusion die. By incorporating a heat preservation zone, a mesh belt conveyor system, and an extrusion die, this utility model reduces the die opening adjustment time during startup, decreases startup time, and reduces abnormal adhesive film appearance caused by excessive die lip adjustment. It also reduces wear caused by die compression, extends die life, and lowers production costs. Furthermore, it overcomes the shortcomings of traditional extrusion methods, such as excessively wide trimmed material and significant waste. Narrower trimmed material backfill also reduces the problem of abnormal discharge port caused by traction roller entanglement. Additionally, it significantly reduces the number of die opening cleaning operations, minimizing material waste, maximizing auxiliary machine traction power, and increasing production capacity.

The application relates to a feeding device. The feeding device comprises a feeding mechanism, a conveying mechanism and a control mechanism. The feeding mechanism comprises a material tank and a first joint connected with the material tank. The conveying mechanism comprises a conveying pipe and a second joint arranged on the conveying pipe and capable of being detachably connected with the first joint. The control mechanism comprises a support and a controller. The support is provided with a guide groove. The conveying pipe and the second joint are slidingly arranged in the guide groove. The controller pushes the second joint to move close to or away from the first joint. Since the controller pushes the second joint to move close to or away from the first joint, the time for connecting and detaching the first joint and the second joint can be greatly reduced, that is, the waiting time before the fragrance is conveyed can be reduced, so that the working efficiency of the feeding device for conveying the fragrance to the production line is greatly improved.

An adjustable circulating fluidized bed boiler for incinerating pyrolysis residues is disclosed. This invention addresses the problems of unstable bed temperature and pressure, and equipment shutdown due to excessive parameters, that commonly occur in existing circulating fluidized beds when incinerating different pyrolysis waste residues. The invention comprises a fluidized bed boiler body (6), a sub-bed air chamber (2), multiple dispersion pipes (5), and multiple high-temperature resistant gate valves (32). The sub-bed air chamber (2) is installed at the lower part of the fluidized bed boiler body (6). The upper parts of the multiple dispersion pipes (5) are connected to the fluidized bed boiler body (6) in a ring array, and the lower parts of the multiple dispersion pipes (5) are connected to the sub-bed air chamber (2). Each dispersion pipe (5) is equipped with a high-temperature resistant gate valve (32). The opening degree of the high-temperature resistant gate valve (32) is remotely adjusted through a control program to achieve bed pressure regulation of the fluidized bed without changing the combustion load and fluidizing air volume. This invention is used for the incineration of pyrolysis residues.

This invention discloses an automatic welding device for prefabricated electrical embedded parts in prefabricated buildings, relating to the field of welding and processing technology for embedded electrical conduits. The device includes a base plate, an electrical conduit, and multiple wing rings, all of which are movably fitted onto the electrical conduit. The automatic welding device further includes: a clamping assembly located on the top of the base plate, which cooperates with the left and right ends of the electrical conduit, respectively, for clamping, fixing, and rotating the electrical conduit; and a support assembly for providing stable support and height adjustment for the electrical conduit. This invention simplifies the positioning and fixing structure, and allows all components to work automatically and collaboratively, eliminating the need for manual adjustment of the wing ring positions at multiple points. It can quickly level and clamp the electrical conduit, accurately position the wing rings and control the spacing, achieving automatic spot welding and circumferential welding. The processing time for a single component is reduced to 1 / 3 of the traditional method, and batch production efficiency is increased by over 60%, with minimal errors and a high weld pass rate.

The utility model relates to the field of steel structure welding especially relates to a kind of anti-deformation support structure for steel structure welding for steel plate surface, including backrest, backrest back end fixed mounting has connecting piece, connecting piece other end is hinged with base;Backrest surface is equipped with several arc support plates, and the bottom end of each arc support plate is equipped with adjusting structure;Adjusting structure includes hollow in backrest interior movable slot, movable slot is rotatably installed with screw rod, and the surface of screw rod is equipped with positive screw thread and reverse screw thread, and positive screw thread is threadedly connected with first push block, and this anti-deformation support structure is linked by screw rod and wedge, realizes the accurate flexible adjustment of arc support plate height, can satisfy various steel plate material, thickness and welding process demand;Adopt the driving structure of gear chain transmission, realize the synchronous adjustment of multiple support plates, significantly shorten the adjustment time, improve operation efficiency;Effectively reduce steel plate welding deformation risk, guarantee welding quality, overcome the drawbacks of traditional technology.