18results about How to "Stable on the ground" patented technology

The invention relates to the technical field of robots, and particularly discloses a bionic kangaroo jumping specialized robot which comprises a robot body, and a kangaroo head and neck is arranged on the front side of the top of the robot body; the front side of the bottom of the machine body is provided with kangaroo stepping front limbs which step independently, the two sides of the machine body are rotationally provided with kangaroo bouncing rear legs penetrating through the machine body, the two kangaroo bouncing rear legs are connected through a rear leg opening and closing adjusting mechanism arranged at the top of the machine body, and the bottoms of the kangaroo bouncing rear legs are rotationally provided with kangaroo feet. According to the bionic kangaroo jumping specialized robot, the rear leg joint motor is located in the center of the leg joint of the kangaroo jumping rear leg, and motor damage caused by too large torque in the jumping process is avoided. In the moving process of the robot, after the robot jumps in the air, the robot kangaroo bounces to open the rear legs, and the lowest point position of the body is raised. As the legs are opened, the projection area of the robot body is increased, and it is ensured that the robot can stably land in the landing process.

The invention discloses an oblique photogrammetry device for three-dimensional modeling, the oblique photogrammetry device structurally comprises an adjusting device, a fixed insertion block and a measuring device, the top of the adjusting device is provided with the fixed insertion block, and the measuring device is installed on the bottom end face of the adjusting device; the adjusting device comprises a shell, a control module, a transmission rotating shaft, a first servo motor and an adjusting structure, the top of the shell is fixedly connected with the fixed insertion block, and the control module is installed on the left side of the interior of the shell. And the measuring device can be rotationally adjusted, so that the measuring device can be conveniently mounted in a flying platform for multi-angle shooting.

The present invention relates to a splash-proof, water-draining and anti-skid outsole, comprising a sole body, wherein the sole body has a plurality of first protrusions and a plurality of second protrusions extending downward, with the position of the outer contour of the sole body as the outer side, and the position of the sole body away from the outer contour as the inner side, the first protrusions are arranged on the lower surface of the sole body along the circumference of the sole body and form an outer circle, the second protrusions are located on the inner side of the outer circle, with the sole body normally placed flat on a plane as a reference, the plane is set as a reference plane, the first protrusions abut against the reference plane, from the outer side to the inner side, the first protrusions gradually move away from the reference plane, a gap is formed between the second protrusions and the reference plane, a first drainage groove is formed between adjacent first protrusions, and a second drainage groove connected to the first drainage groove is formed between adjacent second protrusions. The present invention can improve the splash-proof effect and anti-skid effect of the outsole.

A kind of double-runner dehumidification energy-saving optimization control method for multivariate collaborative regulation, comprising: obtaining the state observation data and equipment limit value of each measuring point, generating material regeneration demand estimation curve and desorption boundary threshold set.According to material regeneration demand estimation curve and desorption boundary threshold set, calculate the regeneration heat trajectory and residence time trajectory required for desorption, generate a set of safe operation constraints.Based on regeneration heat trajectory, residence time trajectory and a set of safe operation constraints, combined with the decision quantity corresponding to the set optimization target, determine the control setting sequence and reference path at the current time.The control setting sequence is issued to the execution unit, and the execution unit is scheduled according to the reference path, and the actual execution record and execution deviation data are monitored and output in real time.Based on actual execution record and execution deviation data, update the estimated value of material adsorption capacity and desorption temperature, and correct the regeneration heat trajectory and residence time trajectory in adjacent rolling time window.

This invention belongs to the technical field of resource utilization and disposal of bulk industrial solid waste and gypsum building material production equipment. It discloses a method and continuous processing equipment for the resource utilization of phosphogypsum. The method employs medium-temperature heat treatment to efficiently remove harmful impurities from the phosphogypsum, followed by low-temperature heat treatment to dehydrate and convert calcium sulfate dihydrate into calcium sulfate hemihydrate, thus efficiently completing the pretreatment process for gypsum building material molding raw materials with significant energy savings. The continuous processing equipment is designed with core units such as a homogenization device, a pretreatment device, a neutralization device, and a calcination device. Through a novel structure and matching with operating conditions, it precisely adapts to the entire process of phosphogypsum resource utilization, completing the pretreatment of gypsum building material molding raw materials. This invention also optimizes the series-parallel layout of complete sets of equipment in the production workshop, meeting the needs of automated production line operation while reducing equipment investment costs and production energy consumption.

The present invention relates to the field of robot technology, and specifically discloses a bionic kangaroo jumping special robot, comprising a fuselage, wherein a kangaroo head and neck are arranged on the top front side of the fuselage; a kangaroo stepping forelimb is arranged on the bottom front side of the fuselage for independently stepping; kangaroo jumping hind legs are rotatably arranged on both sides of the fuselage and penetrate the fuselage; the two kangaroo jumping hind legs are connected by a hind leg separation and combination adjustment mechanism arranged on the top of the fuselage; and a kangaroo foot is rotatably arranged on the bottom of the kangaroo jumping hind legs. The bionic kangaroo jumping special robot makes the hind leg joint motor located at the center of the leg joint of the kangaroo jumping hind leg to avoid damage to the motor due to excessive torque during the jumping process. During the movement of the robot, after the robot jumps into the air, the robot kangaroo jumping hind legs open to increase the lowest point of the body. As the legs are opened, the projection area of ​​the robot body increases, ensuring that the robot can land stably during the landing process.

The utility model discloses an expansion type container, which belongs to the technical field of container expansion, and comprises a container body and an expansion box, one side of the container body is hinged with a sliding door, one side of the container body is provided with an opening, and the side wall of the container body is provided with a sliding chute; the container body is slidably connected to the expansion box in a sleeving mode through the sliding grooves, the expansion box communicates with the container body, a first side plate and a second side plate are fixedly installed at the top end of the inner wall of the container body and the top end of the inner wall of the expansion box correspondingly, and a driving assembly is installed between the first side plate and the second side plate. A supporting box is fixedly installed on one side of the inner wall of the expansion box, a bottom plate is slidably installed on one side of the supporting box, an adjusting assembly is installed on the bottom plate, a plurality of supporting strips are fixedly installed at the bottom end of the container body, and pulleys are symmetrically installed at the bottom end of the expansion box. The use is convenient.

The unmanned aerial vehicle bomb dropping device comprises an unmanned aerial vehicle body and a fixing block, the fixing block is fixed to the bottom of the unmanned aerial vehicle body, a mounting frame is arranged on one side of the fixing block, a pressing ring is arranged on the top of the fixing block, a side ring is arranged on one side of the pressing ring, and the side ring is rotationally connected with the pressing ring; a supporting ring is arranged on one side of the side ring, an insertion block is arranged at one end of the supporting ring, a storage groove is embedded in one side of the insertion block, a first spring is fixed in the storage groove, a buckle is arranged in the storage groove, a clamping groove is formed in one end of the mounting frame, a fixing frame is arranged on one side of the mounting frame, and an electric telescopic rod is arranged on the inner side of the fixing frame; through the arrangement of the mounting frame, the pressing ring, the side ring, the supporting ring, the inserting block, the storage groove, the first spring, the buckle, the clamping groove, the fixing frame, the electric telescopic rod and the pressing block, fixing and throwing of the fire extinguishing bomb are achieved, the inserting block is inserted into the inner side of the mounting frame, the buckle is clamped into the clamping groove, and then fixing can be completed.

The utility model relates to the technical field of soft roadbeds, in particular to a municipal highway engineering soft roadbed reinforcement treatment device. Comprising a bottom plate, a material conveying mechanism, a carding mechanism, a rolling mechanism and a moving mechanism, the upper half portion of the material conveying mechanism is arranged at the top of the bottom plate, the lower half portion of the material conveying mechanism is arranged at the bottom of the bottom plate, the rolling mechanism is arranged at the bottom of the bottom plate and arranged on the side close to a user, and the moving mechanism is arranged at the bottom of the bottom plate. The rolling mechanism comprises a roller, a rotating shaft and a fixed seal, vertical plates are fixedly arranged on the side, close to a user, of the bottom of the bottom plate, first through holes are formed in the vertical plates, the rotating shaft penetrates through the first through holes and is arranged between the two vertical plates, the two exposed ends of the rotating shaft are fixedly connected with the fixed seal, and the roller is fixedly arranged on the peripheral side of the rotating shaft. The rollers are driven by the rotating shafts to rotate on the bottom surface of the roadbed, so that the gravels are pressed into the roadbed, and the ground of the roadbed is more stable.

This invention discloses a method for the synergistic dezincification and desulfurization of high-sulfur bauxite, comprising the following steps: A) High-sulfur bauxite is crushed and fed into a ball mill, quicklime and circulating mother liquor are added according to the ratio for grinding to obtain a pretreated slurry; B) The pretreated slurry is fed into a reactor for leaching to obtain a leached slurry; C) The leached slurry is diluted, and after sedimentation and separation, a crude sodium aluminate solution is obtained; The molar concentrations of residual Zn²⁺ and S²⁻ in the crude sodium aluminate solution are detected, and the crude sodium aluminate solution is fed into a reaction tank and heated to 95-100℃. At the same time, lime milk is added to the reaction tank under stirring, and then stirring is continued at 95-100℃ for 20-40 minutes to obtain a precipitate; D) The precipitate is filtered to separate the precipitate and the filtrate; the filtrate is the crude sodium aluminate solution after dezincification and desulfurization. The method of this invention can achieve simultaneous and efficient removal of zinc impurities and S²⁻, reduce processing costs, reduce equipment corrosion, and improve the quality of alumina products.

The present invention relates to the technical field of auxiliary tools for film blowing machines, and discloses a roll-changing mechanism for film blowing machines, including a base frame, a replacement roller and a winding roller, and two mutually symmetrical side plates fixed on the base frame, wherein an auxiliary roller driven by a motor to realize film winding and a cutting assembly for cutting the film are arranged between the two side plates, and a falling assembly for dropping the winding roller is arranged between the two side plates, a base plate is fixed at the front end of the base frame, a lifting assembly for lifting the winding roller is arranged on the base plate, and a start-stop assembly for tilting the angle of the lifting assembly is arranged on the base frame, and a start-stop button for opening or closing the lifting assembly is arranged on one side plate, and when the falling assembly is in operation, the start-stop button will be prompted to work through the synchronization assembly. The present invention utilizes the cooperation of various components to effectively solve the problem of the prior art that the winding shaft after removing the winding film is extremely time-consuming and labor-intensive, which affects its work efficiency.

The invention discloses a smart classroom emotion recognition method and system based on dynamic facial expressions. The method comprises the following steps: firstly, acquiring a classroom panoramic video stream, and preprocessing the classroom panoramic video stream to generate a structured facial image sequence; the method comprises the following steps of: obtaining a fused video frame through a space-time attention fusion module, then embedding time and space tokens, inputting the fused video frame into a double-scanning bidirectional Mamaba block to carry out space-time feature extraction and modeling, finally outputting the probability of each emotion through a pre-trained emotion classification model, and selecting the emotion with the highest probability as final output to be fed back to a user. The dynamic facial expression recognition system provided by the invention is light in weight and high in performance, so that facial expressions of students can be accurately recognized in an actual classroom, and the reliability and the stability of results are ensured. The method solves the problems of weak dynamic modeling, strong multi-mode dependence, lack of education closed loop and the like in a classroom scene in the prior art, and is suitable for non-sentible emotion perception and teaching optimization in intelligent education.

An electric lifting device comprises a box body, supports are fixedly connected to the front side and the rear side of the outer wall of the upper side of the box body respectively, a fixing plate is fixedly connected between the outer walls of the upper sides of the two supports, two symmetrically-distributed vertical plates are fixedly connected to the upper side wall of the fixing plate, a winding roller is arranged between the two vertical plates, and a traction rope is arranged on the winding roller. Compared with the prior art, the anti-falling device has the advantages that through the arrangement of the plate body, the extension plate, the guide rod, the follow-up block, the spring, the fixing rod, the anti-falling block and the connecting rod, the anti-falling device has the anti-falling function, the containing box can be blocked when falling occurs, the containing box is prevented from directly falling, and danger is avoided; through the arrangement of a bidirectional screw rod, a movable plate, a movable block, a hinge rod, universal wheels, a driving motor, a chain wheel and a chain, the universal wheels can stretch out to move when the device needs to move, and the universal wheels can retract into the box body when materials are lifted, so that the box body touches the ground and is more stable.

The invention discloses a bridge supporting pile with telescopic supports, relates to the field of building bridges, and solves the problem that an existing supporting pile is difficult to repair the bridge pile quickly, the bridge supporting pile comprises a supporting seat and three mounting seats fixedly mounted at the bottom of the supporting seat in a central symmetry manner, and telescopic supporting rods are rotatably mounted on the inner sides of the mounting seats; a bottom plate is rotatably mounted at one end, away from the mounting seat, of the telescopic supporting rod, a mounting cylinder is fixedly mounted at the bottom of the supporting seat, and a pouring opening corresponding to the inner side of the mounting cylinder is formed in the surface of the supporting seat; the frame adjusting mechanism is used for telescopically adjusting the height of the supporting seat, and the frame adjusting mechanism is mounted at the bottom of the supporting seat; through the frame adjusting mechanism, support can be provided for the bottom of a bridge, when the bridge settles, the height of the supporting seat can be adjusted, rapid support can be provided for the bridge conveniently, the problem that a bridge pile is difficult to repair is solved, and therefore the effects of improving the bearing capacity of the bridge supporting column and facilitating repair are achieved.

The invention discloses a kitchen raw and cooked food material cross contamination early warning system and method based on multi-modal fusion, and relates to the technical field of computer vision, and the method comprises the steps: obtaining a visible light video, a thermal infrared video and depth / binocular data in a kitchen operation region, completing the time-space registration, determining a target candidate of a kitchen operation entity, and carrying out the early warning of the cross contamination of the kitchen raw and cooked food materials; generating a multi-modal object candidate set; and performing relation judgment on the multi-mode object candidate set according to an open vocabulary video relation mode recognition rule, and outputting a triple event stream and a corresponding object identity track table. According to the method, an open vocabulary video relation mode is adopted to recognize and output a triple event stream and an object identity track table, so that interaction relations such as contact, bearing, transmission, taking and placement stably fall to the ground in an event segment form, and therefore, sequence division and pollution candidate link retrieval in a subsequent stage are supported.

The present application relates to the technical field of optical fiber sensing and machine learning, in particular to a plastic optical fiber automobile foot mat forming process parameter control system and method, aiming to solve the problem of insufficient parameter and real-time forming state adaptability caused by traditional control of non-fusion warm and pressure dynamic timing characteristics, leading to foot mat size deviation, shrinkage mark and poor optical fiber adhesion, the present application collects warm and pressure distribution data in the forming cavity in real time through the optical fiber sensing network, generates a standardized time series through normalization and time window segmentation; the pre-trained long short-term memory neural network model analyzes the timing dependency relationship through three hidden layers, generates a feature vector and maps it to the warm and pressure and pressure holding time set value, the execution control unit accurately controls the temperature through PID and pulse width modulation, dynamically calibrates the closed-loop pressure control through the proportional valve and pump speed, improves the parameter adaptability and ensures the stability of the forming quality.

The utility model relates to the technical field of medical instruments, in particular to a storable infusion support which comprises a sleeve, the outer wall of the sleeve is movably connected with four evenly-distributed supporting legs through rotating shafts, the opposite faces of the four supporting legs are movably connected with connecting rods through rotating shafts, and a supporting seat is arranged on the lower end face of the sleeve. A pull rod is fixedly connected to the upper end face of the supporting seat, the other end of the pull rod penetrates through the sleeve and is in sliding connection with the sleeve, and the other end of the pull rod is fixedly connected with an extending cylinder. When the extension cylinder moves downwards, the extension cylinder extrudes the first spring to contract and pushes the pull rod to move downwards, when the pull rod moves downwards, the four connecting rods drive the supporting legs matched with the pull rod to move relatively, the lower end faces of the four fixing plates abut against the ground, and therefore the purposes of being convenient to store and small in occupied area are achieved.