11results about How to "Small space" patented technology

A foldable pushing chain type lifting platform belongs to the technical field of pushing chains and lifting platforms and comprises a meshed pushing chain system, an X-axis limiting mechanism and a Y-axis limiting mechanism, one side of the bottom of the meshed pushing chain system is fixedly connected with a base, the meshed pushing chain system outputs pushing chains upwards in the Z-axis direction, and the X-axis limiting mechanism and the Y-axis limiting mechanism are fixedly connected with the base. The top end of the pushing chain is fixedly connected with a top table used for bearing a lifted object, an X-axis limiting mechanism is further connected between the top table and the base, and the side, away from the meshing type pushing chain system, of the X-axis limiting mechanism is connected with a Y-axis limiting mechanism. The X-axis limiting mechanism is of a folding arm structure which only rotates around the X axis and limits the pushing chain and the top table to move in the X-axis direction. According to the invention, the pushing chain is used as a driving part, and the device has the advantages of high speed, large bearing capacity, high precision, long maintenance period, multi-point control, good stability, low initial height, large stroke, small occupied space and strong environmental adaptability.

The invention relates to a three-dimensional grid model processing method, computer equipment and a storage medium. The three-dimensional grid model processing method comprises the steps of obtaining a three-dimensional grid model corresponding to a medical image; wherein the three-dimensional grid model is composed of a plurality of grids, and the outer surface of the three-dimensional grid model is defined by geometric patches of the grids; acquiring the vertex curvature of each vertex in the grid, and adjusting the side length of the geometric patch of the grid according to the vertex curvature; wherein the larger the curvature of the vertex of the grid is, the larger the probability that the side length of the grid is shortened is, and / or the smaller the curvature of the vertex of the grid is, the larger the probability that the grid is merged is; and the vertex of the grid is translated by a preset distance along the direction pointed by the vertex normal vector, so that the self-crossing phenomenon after the expansion of the three-dimensional grid model is improved.

The application discloses an air acoustic imaging sensor, comprising: a deflection device, comprising a mounting seat, a first deformation member and a fixed seat, two ends of the first deformation member being connected with the mounting seat and the fixed seat respectively; an air acoustic imaging sensing device, being installed on the fixed seat; and a driving device, being installed on the deflection device, the driving device being used for driving the first deformation member to deform, so that the air acoustic imaging sensing device installed on the fixed seat deflects. The air acoustic imaging sensor of the embodiment of the application drives the first deformation member to deform through the driving device, so that the air acoustic imaging sensing device installed on the fixed seat deflects, thereby achieving the function of adjusting the deflection angle of the air acoustic imaging sensing device. The air acoustic imaging sensor realizes dynamic scanning imaging. Compared with the existing structure of driving the transducer to deflect, the air acoustic imaging sensor of the application has the advantages of small overall volume, high integration, small space range occupied in the movement process and low cost.

The utility model relates to the technical field of experimental training teaching equipment, and discloses a portable teaching control box for an alternating current switch machine, which comprises a teaching box main body, a frequency converter, a fuse, a switching power supply, a plurality of transformers and a plurality of relays are arranged in the teaching box main body, and a bottom bracket is arranged at the bottom of the teaching box main body. Universal wheels are rotatably connected to the four corners of the bottom surface of the bottom support, side supports are fixedly connected to the two ends of the bottom support, sliding grooves are formed in the two sides of the interior of each side support, sliding blocks are slidably connected to the interiors of the sliding grooves, a protruding block fixedly connected with the sliding blocks is arranged between the two sliding blocks, and the protruding blocks are fixedly connected with the side walls of the teaching box body. According to the portable teaching control box for the alternating-current switch machine, all devices in a five-wire system turnout mechanical room are covered inside, when the portable teaching control box is used for teaching, only the teaching box body needs to be connected with the external switch machine, the portable teaching control box can be used, and compared with equipment which is high in price and large in size in the mechanical room, needed space and cost are smaller; and on-demand exercise can be conveniently carried out at any time.

This application relates to the technical field of can label pasting equipment, and more particularly to a food can label pasting equipment, including a conveyor belt with side guardrails on both sides. A drive system is located in the middle section of the conveyor belt, driving the canned jar to rotate at least one revolution inside the conveyor belt. A label peeling structure is located on one side of the drive system. The drive system includes a drive roller and a driven roller, which form a stable clamping structure to restrict the rotation of the canned jar inside the conveyor belt. By setting the drive system in the middle section of the conveyor belt, and utilizing the triangular structure formed by the drive roller and the driven roller, the canned jar is stably positioned inside the conveyor belt. Under the action of the drive roller, the canned jar rotates circumferentially, thereby enabling the canned jar to rotate in place, reducing the space required for labeling, and thus improving the practicality of the device.

The invention discloses a material taking mechanism and a material taking method.The material taking mechanism comprises a mounting plate, a clamping piece and a crank sliding block transmission mechanism, the clamping piece is used for clamping materials at a material taking position and loosening the materials at a discharging position, and the clamping piece is slidably connected with the mounting plate; the crank sliding block transmission mechanism is used for driving the clamping piece to slide relative to the mounting plate; the crank sliding block transmission mechanism comprises a rotating shaft, a connecting piece and a first driving piece, and the rotating shaft and the mounting plate are rotationally arranged; the connecting piece is rotationally connected with the rotating shaft and the clamping piece, the connecting piece is connected to the eccentric position of the rotating shaft, and the output end of the first driving piece is connected to the rotating shaft; the mounting plate is connected with a second driving piece which is used for driving the mounting plate to rotate. Compared with the prior art, the clamping piece is driven to move through the crank sliding block transmission mechanism, telescopic work of the clamping piece is achieved, the crank mechanism is small in movement range, small in rotation radius and stable and smooth in movement, continuous and stable power output can be provided, and the positioning precision and stability are improved.

The application is suitable for the field of medical equipment, and discloses a sample analyzer. The sample analyzer comprises a machine body, a first loading component, a first buffer component, a first transfer component, an output component, a detection component and a controller. The first buffer component is used for buffering first consumables to be used and coming from the first loading component; the controller is configured to: in the process that the first loading component performs a task of loading the first consumables, control the detection component to perform at least part of a process in a sample detection item on a sample by using the first consumables buffered by the first buffer component, control the output component to output first operation prompt information according to a first residual time in which the first consumables buffered by the first buffer component can support the detection component to perform the sample detection item, so as to remind to complete the operation of loading the first consumables in the first loading component within the first residual time. The sample analyzer can meet the design requirements of loading consumables without stopping and small biological safety risk under a small volume.

The utility model relates to the technical field of feeding manipulators, in particular to a stacking type double-station manipulator which comprises a base, a lifting module capable of doing lifting motion in the vertical direction is installed on the central axis of the base, a rotating disc is installed at the top end of the lifting module, and a fixing base is fixedly installed at the top end of the rotating disc. And the number of the fixing bases is two, and the two fixing bases are installed on the rotating disc in a stacked mode from bottom to top. According to the stacking type mechanical arm, the two linear modules which are longitudinally stacked and move in the mutual direction are arranged to drive the two mechanical arms respectively, taking and placing operation can be conducted on the two stations at the same time, the stacking type mechanical arm is more compact in structure, the space range needed by movement is small, the occupied area needed by arrangement of the mechanical arms can be reduced, and the working efficiency is improved. The device is more suitable for being used in a crowded production line environment, facilitates reasonable arrangement of production equipment in a limited space, adapts to the layout of a production line, and improves the space utilization rate of the production line.

The present invention discloses a method for constructing a power generation prediction model, a prediction method and a device, and relates to the technical field of power generation prediction, so as to solve the problems of low construction efficiency and low prediction accuracy of the power generation prediction model in the prior art. The construction method includes obtaining a meteorological data set within a preset time length and a site data set of a target power station; based on the preset model prediction time length, a preset weather system scale analysis strategy is used to perform a scale analysis on the target power station to determine the weather impact geometric area of ​​the target power station; based on the meteorological reanalysis data, the site data set and the weather impact geometric area, a machine learning data set is constructed; based on the site data set, meteorological observation data and meteorological reanalysis data, the meteorological characteristic variables affecting the target power station are determined; and a preset meteorological characteristic variable time extraction strategy is used to construct a target power generation prediction model corresponding to the target power station. In this way, the power generation prediction model has high construction efficiency and high prediction accuracy.

The invention relates to the field of bridge risk assessment, in particular to a cable bridge fatigue crack risk assessment method and system. The method comprises the following steps: carrying out omnibearing structure scanning on a cable bridge based on an unmanned aerial vehicle, and constructing a bridge image library; performing fatigue damage area distribution identification based on the deformation response data, and marking a potential fatigue damage area; performing crack texture visual analysis based on the potential fatigue damage area, and extracting crack damage characterization; and performing crack risk assessment according to the crack damage characterization, and outputting a bridge risk assessment report. According to the method, the comprehensiveness and accuracy of bridge crack risk assessment are improved, and the operation safety of the cable bridge is improved.

This utility model discloses a screw-type anti-detachment tubular structure, which includes a first tubular material and a second tubular material telescopically assembled within the first tubular material. The lower sidewall of the first tubular material has a groove, and the bottom end of the second tubular material has a right-angle notch. A limiting screw passing through the groove is provided on the vertical plane of the right-angle notch, and the limiting screw and the upper and lower edges of the groove form a limiting effect. This utility model has a simple structure, occupies less space, is easy and quick to assemble and disassemble, and has higher durability.