10results about How to "Guaranteed working accuracy" patented technology

This utility model provides an auxiliary device for the installation of ground source heat pump well pipelines, belonging to the field of ground source heat pump engineering technology, aiming to solve the problems of cumbersome fixed installation and inconvenient storage of existing auxiliary devices. The device includes a shell and a second fixing plate fixedly connected to the shell, as well as a rotating mechanism disposed at the end of the second fixing plate. The rotating mechanism includes a second rotating rod, a rotating wheel, a bottom cone rod, a first fixing rod, and a limiting component. The first fixing rod passes through the rotating wheel and drives the bottom cone rod to rotate between a storage position and a working position. The limiting component includes a second fixing block and a force-bearing block. In addition, the device is equipped with a disassembly mechanism for quick and detachable connection between the upper support and the shell. This utility model, through the bottom cone rod and the self-locking limiting mechanism, achieves rapid deployment, stable fixation, and convenient retraction of the device, improving the efficiency and safety of ground source heat pump pipeline installation operations.

The utility model relates to an energy -saving locomotive fittings bending device of locomotive fittings machining technical field, including the workstation, the upper deck middle part of workstation is equipped with the biaxial hydraulic cylinder along the longitudinal arrangement, the both ends of workstation upper deck part are equipped with fixed mounting seat respectively, two telescopic shafts of biaxial hydraulic cylinder are connected with mobile mounting plate respectively, still including the replaceable module, the replaceable mould seat and replaceable die head of replaceable module are installed respectively in the opposite side of corresponding fixed mounting seat and mobile mounting plate, the utility model has adopted biaxial hydraulic cylinder as drive source and two sets of replaceable module, when one telescopic shaft extends and carries out bending operation, another telescopic shaft can be synchronous and withdrawn, contrarily, when the shaft backstroke, another shaft can synchronous and extend and carry out operation. This design makes hydraulic cylinder in the whole working cycle of extension and withdrawal, always has a direction in effective bending operation.

The invention discloses a multi-degree-of-freedom mechanical arm trajectory tracking control method and system based on decomposition type Q learning. According to the method, a drifting dynamic matrix and an input dynamic matrix of the mechanical arm system do not need to be known in advance, online learning and optimization can be carried out by directly utilizing input and output data through the Q learning algorithm, and the dependence of a traditional adaptive dynamic programming (ADP) method on an accurate mathematical model is effectively overcome. According to the method, a Q function is innovatively decomposed into three independent components, and three sub neural network channels are used for approximation respectively. Compared with a direct approximation integral Q function, the distributed design has the advantages that the complexity of a single network is reduced, the fitting capability of the neural network to a nonlinear system is fully utilized, and the convergence speed and learning efficiency of the algorithm are improved. In conclusion, high-precision trajectory tracking can be achieved, the error curve convergence is rapid and stable, the speed and position change of each joint is smooth, no obvious jitter exists, and the method has good engineering application value.

This invention discloses a UAV contouring flight system and method based on multi-sensor fusion and adaptive planning. The system includes a multi-sensor module for simultaneously acquiring 3D point cloud data, image data, and UAV inertial measurement data of the environment; a localization and mapping module for processing the acquired data through a tightly coupled fusion algorithm to output the UAV's real-time pose and a 3D map of the environment; an adaptive path planning module for identifying target objects based on the 3D environmental map and adaptively selecting and executing a matching path generation strategy to generate a contouring flight path that conforms to the target object's surface; and a flight control module for controlling the UAV according to the contouring flight path. This invention solves the problems of low positioning accuracy, inaccurate environmental modeling, and inability to generate high-precision 3D contouring paths for UAVs in environments lacking GPS signals, achieving efficient contouring for regular targets and high-precision contouring flight for complex targets.

The application relates to the field of leveling machines and discloses an intelligent high-stability laser leveling machine, which comprises a leveling machine head, an adjustable driving arm and a vehicle body, the adjustable driving arm is provided with a damping frame, the leveling machine head comprises a fixed plate, a first lifting frame, a scraper and a stirring mechanism, the fixed plate is connected to the lower end of the damping frame, the fixed plate is provided with a first lifting driving mechanism, the first lifting frame is connected to the power output end of the first lifting driving mechanism, the scraper is installed on the first lifting frame, the stirring mechanism comprises a second lifting frame, a first motor, a stirring shaft and a stirring claw, the first lifting frame is provided with a second lifting driving mechanism, the second lifting frame is connected to the second lifting driving mechanism, the stirring shaft is rotationally connected to the second lifting frame, the first motor is connected to the second lifting frame and drives the stirring shaft to rotate, the stirring claw is connected to the stirring shaft, and the first lifting frame is provided with a screening claw which is arranged at intervals from the stirring claw. The integrated leveling machine head is adopted, and the overall construction efficiency and stability are improved.

The application provides a numerical control machine tool leveling structure and a leveling method. The numerical control machine tool leveling structure comprises a first displacement sensor (1), a second displacement sensor (2), a support column (3), a base (4) and a leveling device, the support column (3) is configured to support the numerical control machine tool, the support column (3) is arranged on the base (4), the leveling device is arranged on the base (4) and is configured to be capable of adjusting the height of the support column (3), the first displacement sensor (1) is arranged on the support column (3), and the second displacement sensor (2) is arranged on the base (4). According to the numerical control machine tool leveling structure, the cause of the precision deviation of the numerical control machine tool can be detected in time and accurately, the numerical control machine tool can be leveled, and the machining precision of the machine tool is ensured.

The utility model discloses an adjustable contact pin press-fitting device, the press-fitting device is used for press-fitting a contact pin on a contact pin seat, the press-fitting device comprises a bottom plate and a base arranged on the bottom plate, one side of the bottom plate is provided with a side plate, the side plate is provided with a driving assembly, and the driving assembly is connected with the base. The end part of the driving assembly is connected with a stamping assembly for placing a contact pin; a plurality of groups of mounting grooves are formed in the base at equal angles along the circumference by taking the contact pin seat as the center, a positioning rod for placing the contact pin seat is arranged at the central position of the joint of the mounting grooves, and an adjusting assembly for clamping the side part of the contact pin seat is also slidably mounted in each group of mounting grooves. According to the utility model, the adjusting assembly is arranged on the base, so that the device can be applied to pin seats with different sizes, the application range of the device is expanded, and the use flexibility of the device is enhanced; meanwhile, an annular pressure sensor is arranged at the bottom of the pin seat, so that the pressure of the pin seat in the stamping process can be detected, and the assembly consistency is improved while accurate press fitting is realized.

The utility model relates to the technical field of blasting needle valves, in particular to a blasting needle valve with a replaceable blasting needle, which comprises a main valve body, a plurality of support members are fixedly mounted on the upper end face of the main valve body, a valve rod is slidably mounted in the main valve body, and a pressure plate is fixedly mounted at the upper end of each support member. A blasting needle is inserted in the center of the pressing disc, the lower end of the blasting needle is inserted in the head of the valve rod, a limiting plate for limiting the head of the blasting needle is installed on the upper end face of the pressing disc, and the limiting plate is horizontally and slidably connected with the pressing disc. Through the design of the limiting plate and the elastic stretching assembly, the blasting needle is easy and convenient to replace, complex tools and steps are not needed, the replacement time is greatly shortened, the production stagnation time is shortened, and the production efficiency is improved. And through the design of the positioning block of the blasting needle and the placing groove and the center hole on the pressure plate, the accuracy and the stability of the installation of the blasting needle are ensured.

The forklift portal cross beam positioning tool comprises a machine frame (1) and is characterized in that translation sliding rails (1.1) are arranged on the two sides of the machine frame (1) in the length direction of the machine frame (1), a left guide rail sliding block installation assembly (2) and a right guide rail sliding block installation assembly (2) are arranged on the translation sliding rails (1.1) in a sliding mode, and a transmission assembly (3) is connected between the two guide rail sliding block installation assemblies (2). The transmission assembly (3) drives the guide rail slide block mounting assembly (2) to translate along the translation slide rail (1.1); the air cylinder assembly (4) on the transmission assembly (3) lifts the positioning, clamping and installing assembly (5) to ascend and descend, and the positioning, clamping and installing assembly (5) clamps the portal cross beam (101). The forklift portal frame cross beam positioning tool has the advantages of being high in operation efficiency and wide in application range.