12results about How to "Avoid exceeding" patented technology

This invention relates to a gear welding device and method for a press, belonging to the field of press manufacturing. The technical solution is as follows: A gear welding device for a press includes a work platform with a ground rail. A transfer trolley is movably mounted on the ground rail to carry the gear to be welded. Positioners are mounted on both sides of the ground rail, each equipped with a rotatable gripper. A gantry frame is also mounted on the work platform, spanning the ground rail. A welding robot is movably mounted on the gantry frame, its movement direction being horizontal and perpendicular to the ground rail. The welding robot is equipped with a machine vision module. This solution, through the positioner grippers, can precisely achieve 180° rotation of the gear, providing a stable posture adjustment basis for double-sided welding. The welding robot, combined with the machine vision module, enables automated and high-precision acquisition of weld information, providing data support for intelligent welding path planning.

The invention discloses a carbon dioxide low circulation rate system based on low superheat degree regulation and control, which relates to the technical field of refrigeration and comprises a loop, a plurality of tail end heat exchange branches and a controller, the execution controllability evaluation module is used for calculating the branch outlet superheat degree based on the pressure and temperature measurement values and judging whether the branch outlet superheat degree is in a preset outlet superheat degree target window or not; the branch type judgment module reduces the valve opening degree step by step under the safety constraint to obtain a reducible valve allowance, and accordingly, branches are divided into an over-supply redundancy type, an under-supply sensitive type and an execution limited type to form a redundancy supply set and a protection set; a target pump frequency solving module summarizes the reducible valve margin of the redundant supply set, calculates the pump frequency pressing amplitude and the target pump frequency in combination with the bottleneck margin determined by the protection set, and generates valve bias for redundant branches; according to the invention, on the premise of ensuring stable operation of each tail end, the reduction of the system circulation ratio and the optimization of the pump power consumption are realized.

The present application relates to a kind of methods for judging the oil addition of lubricating system, device and medium, lubricating system includes oil sump and oil, oil sump is located in the lower part of lubricating system and is used to contain oil, method includes: obtaining the minimum oil storage capacity in oil sump, minimum oil storage capacity is obtained by suspending hanging wall oil amount and the oil consumption of engine in the set oil change cycle;Obtain the maximum oil storage capacity in oil sump, the maximum oil storage capacity is obtained by the highest limit of oil;According to minimum oil storage capacity and maximum oil storage capacity, obtain the oil storage interval of oil sump;According to oil storage interval, obtain the oil addition interval of oil sump.Using this scheme, it is necessary to determine the interval of oil sump that can store oil, so it is necessary to obtain the minimum oil that can be stored in oil sump, i.e.minimum oil storage capacity, since the lubricating system is in the state of being running or has been running, there is a suspended hanging wall oil amount in the lubricating system;In addition, the oil consumption of oil in the set oil change cycle also needs to be considered.

The utility model relates to the technical field of logistics devices, in particular to a spiral lead screw tightening device which comprises a driving motor, a driven gear, a connecting piece, a connecting disc body, a lead screw driving assembly and a driving auxiliary assembly. A driving motor, a driven gear, a connecting piece, a connecting disc body and a lead screw driving assembly are used in cooperation to form a spiral lead screw driving device, a limiting baffle is driven, and an object is fastened again after being limited; on the other hand, on the basis of driving of the spiral lead screw, a protection effect is achieved on driving of the spiral lead screw through the arranged protection baffle disc, and the situation that the stroke range is exceeded is avoided; and on the other hand, the arranged driving auxiliary assembly has a lubricating oil auxiliary adding effect on the spiral lead screw driving process, the operation stability of clamping transmission work of the spiral lead screw is ensured, and the positive effect on improving the cargo transfer work efficiency is achieved.

The utility model relates to the technical field of forking devices, aims to solve the problems that a traditional forking device lacks an overturning function, the transportation size is too large, and a protective device hinders storage, and provides a foldable box forking and overturning device for an engineering vehicle. The movable device is rotationally connected to the fixed device, and a turnover driving mechanism is connected between the movable device and the fixed device; the movable device is detachably connected with a fork frame and a protective baffle; according to the box turnover mechanism, forking and turnover of the box can be achieved, the two functions are integrated, and an independent turnover mechanism does not need to be additionally arranged; in the non-working state, the fork frame and the protective baffle can be detached, not installed or stored and installed, the size of the whole device and the size of the engineering vehicle are reduced, when the engineering vehicle is transferred through other transport vehicles, the situation that the engineering vehicle exceeds the outline of a vehicle body of the transport vehicle is avoided, and the road traffic capacity of the transport vehicle is guaranteed.

This utility model discloses an automated warehouse for warehousing and logistics. The base plate has feet fixedly installed at each of the four corners. Multiple placement plates are arranged in a linear array above the base plate. Each of the four corners of the base plate and placement plates has a vertical frame, within which a first support frame is installed. Each of the four corners of the bottom of the placement plates has a second support frame. Each first support frame contains a cylinder, and the piston shaft of each cylinder extends into the second support frame on the same side and contacts the inner wall of the top of the second support frame. Through the cooperation of the first and second support frames and the cylinders, this utility model allows for the adjustment of the distance between the base plate and the placement plates, and between adjacent placement plates, by the operation of the cylinders, facilitating the placement of goods of different sizes.

The utility model relates to flange production cooling technical field discloses a cooling device for flange production, including cooling box, the fixed mounting of partition board is close to the bottom position in cooling box, the fixed mounting of first motor has in the bottom of cooling box, the support plate is provided with on the partition board top, the left side of cooling box is fixed with second motor, the output of second motor is connected with screw rod through the shaft coupling, the outside of screw rod is rotatably connected with the sliding block, the right side of the right side of cooling box is provided with the water outlet, the right side of cooling box outside is provided with refrigeration station, the filter box is provided with in the front side of refrigeration station, the storage tank is provided with in the right side of refrigeration station, the upper side of storage tank is provided with water pump, the left side fixed setting of water pump has rigid water pipe, the other end fixed of rigid water pipe has the shower nozzle, the drainage pipeline is provided with between cooling box and refrigeration station, the water that cools off enters the filter box and filters and then enters the storage tank, and the water pump sends the cooling water in the storage tank to the shower nozzle, realizes the filtration circulation use of cooling water.

A water guide bearing assembly is arranged on a main shaft, a top cover assembly is arranged at the lower end of the water guide bearing assembly, a supporting cover is arranged at the lower end of the top cover assembly, the supporting cover is connected with the main shaft through a sealing piece, and the lower end of the supporting cover is connected with a runner hub in a matched mode. Blades are arranged on the periphery of the runner hub in the circumferential direction, a runner chamber is arranged on the periphery of the blades, and water guide blades are arranged between the runner chamber and the top cover assembly; according to the automatic drainage assembly, when the water turbine runs, the runner chamber forms stable vacuum due to high-speed rotation of water flow, and when the water level of accumulated water in the upper top cover rises to a set height, the runner chamber is closed, and the runner chamber is closed. The vacuum negative pressure automatically sucks water to the tail water taper pipe through the second steel pipe and the first steel pipe, the water level in the upper top cover is prevented from exceeding the set water level, and it is guaranteed that water cannot enter the oil throwing basin at any time.

This invention belongs to the field of AGC frequency regulation technology for thermal power units, and discloses a performance prediction method for AGC frequency regulation of thermal power units. It constructs a multi-source heterogeneous data acquisition system covering the entire frequency regulation chain, achieves multi-scale data synchronization through timestamp alignment, and completes data preprocessing by combining physical constraints. Simultaneously, it employs the CCM-PCMCI causal filtering algorithm with physical constraints of the unit's thermal system to accurately distinguish between causal and pseudo-correlation relationships, eliminate redundant features, and constructs a multi-scale time-series feature adaptive extraction system to form a full-dimensional feature library, comprehensively characterizing the dynamic characteristics of frequency regulation, improving the model's generalization ability and interpretability, and avoiding prediction bias caused by feature redundancy or missing information. It optimizes the density peak clustering method to achieve adaptive partitioning of typical operating condition clusters for unit AGC frequency regulation, and constructs a TFT model with an adaptive attention mechanism and a mechanism constraint layer for each operating condition cluster, which can dynamically focus on core features and key time segments.

The invention relates to a cuttable wound treatment product comprising a liquid-permeable layer with a nonwoven, a protective layer with a nonwoven and a swelling layer. The swelling layer comprises an aqueous salt solution and superabsorbing fibers. The superabsorbing fibers are present in the form of a textile composite together with at least one type of auxiliary fibers. Optionally, the wound treatment product can have a backing portion at the top side and a silicone-containing non-traumatic wound contact layer at the bottom side. The wound treatment product can be realized without seams and is impressive due to the outstanding pressure stability.

The application discloses a kind of soft limiting device of multifunctional embroidery machine and its limiting method, the multifunctional embroidery machine is provided with first function machine head and second function machine head along transverse side by side, the interval of first function machine head and second function machine head is L, the soft limiting device includes the first soft limiting module being set corresponding first function machine head, the second soft limiting module being set corresponding second function machine head, the first soft limiting module is used to limit embroidery frame to move in first limiting range, the second soft limiting module is used to limit embroidery frame to move in second limiting range.When first function machine head and second function machine head are switched, embroidery frame corresponds to move distance L along X+ or X- direction, and is automatically switched to first soft limiting module or second soft limiting module by soft limiting switching module and is soft limited.The application avoids the pattern to be scrapped due to the fact that machine head and frame are not linked, or mechanical damage caused by machine needle and frame interference.

Methods for operating a fuel cell system including a fuel cell stack and computer implementation, wherein data are provided that map (301) the input quantities of the fuel cell system and the positions of the cells in the fuel cell stack to the voltage of the cells, respectively, wherein a model is trained (302) based on the data to map the input quantities of the fuel cell system and the positions of the cells in the fuel cell stack to a predicted probability distribution of the voltage of the cells, wherein the current input quantities of the fuel cell system are determined (303), wherein for at least one cell in the fuel cell stack, at least one probability of the voltage of the cell and / or the total voltage of the fuel cell stack is determined (304) based on the probability distribution using the model, based on these current input quantities, wherein the state of the fuel cell system is determined (305) based on the probability.