73 results about "Physical exhaustion" patented technology

The invention discloses an exoskeleton robot abnormal working condition automatic response and risk avoiding decision-making method, and relates to the technical field of exoskeleton, and the method comprises the steps: deploying a plurality of types of sensors to synchronously collect environment data, human physiological data and exoskeleton operation data, and carrying out the preprocessing to remove interference; through fusion of abnormal harmonic detection and a finite-state machine, dangerous working conditions such as wind speed abrupt change are identified, and grades are judged; monitoring eye movement and heart rate variability data in real time, quantifying cognitive load and grading; a decision rule base is constructed, and joint locking and other adaptive risk avoiding decisions are generated in combination with working condition types, grades and cognitive loads; the controller drives the execution mechanism to execute a decision, continuously monitors data at a frequency, dynamically adjusts the decision or recovers a normal mode. According to the method, dangerous working conditions are accurately identified through multi-source data fusion, adaptive risk avoiding measures are automatically triggered, a power assisting strategy is dynamically adjusted in combination with cognitive loads, and operation flexibility and physical output are balanced.

The utility model relates to the technical field of hollow glass, in particular to anti-burst hollow glass which comprises a fixing frame arranged outside the glass in a sleeving mode, a connecting layer is arranged between the fixing frame and the glass, and the fixing frame and the glass are fixedly connected through the connecting layer; the side, close to the outer pressing line, of the fixing frame is provided with a plurality of inserting rods, and the inserting rods are evenly arranged on the side wall of the fixing frame and connected with the fixing frame. An outer pressing line of the window frame is provided with inserting grooves corresponding to the inserting rods, and when the glass is pushed to abut against the outer pressing line, the inserting rods are matched with the inserting grooves in an inserting mode; and a locking assembly is further arranged on the side wall of each inserting rod, and after the inserting rods are inserted into the inserting grooves, the locking assemblies are used for locking the inserting states of the inserting rods and the inserting grooves, so that the purposes that workers are assisted in fixing the glass, and the situation that the glass falls off and hurt the workers due to the fact that the workers are not in physical strength is avoided are achieved.

The utility model relates to the technical field of gear reducers, in particular to a bevel gear reducer. According to the technical scheme, the gear reducer comprises a gear reducer body and a plurality of pairs of bolts arranged on the gear reducer body and further comprises a plurality of clamping bases arranged on the gear reducer body, and sliding bases are movably arranged at the two ends of each clamping base. The clamping seat and the sliding seat are provided with a pair of clamping sleeve mechanisms which enable bolts on the gear reducer body to be disassembled and assembled in pairs. Through cooperation of the clamping base, the sliding base, the clamping sleeve mechanism, the gear belt, the clamping mechanism and other structures, each pair of bolts can be loosened or disassembled at the same time, operation steps can be simplified, tedious steps caused by manual disassembling one by one are avoided, the disassembling process is smoother, and therefore the disassembling time is greatly shortened. In addition, the labor intensity of workers can be greatly reduced in the dismounting process, physical exhaustion and fatigue caused by long-time dismounting are reduced, and therefore the working efficiency and safety are improved.

The application discloses a spiral anchor type soft ladder fixing device and a control method thereof, adopts a connecting mechanism to connect and fix the lower end of the soft ladder, and connects one end of a connecting steel rope with the connecting mechanism; the other end of the connecting steel rope is connected with a steel rope adjusting assembly; the spiral anchor provided on a bearing platform is screwed into the ground soil; the steel rope adjusting assembly analyzes the received axial force data, and according to the analysis result, the connecting steel rope is tightened or loosened; the technical problem that the soft ladder swings relatively with the movement of the human body during the climbing process of the working personnel, thereby reducing the working efficiency of the working personnel is solved; through real-time monitoring of the stress state, when uneven stress occurs, the driving motor is adjusted in real time, so that the stress is always in dynamic balance, the safety of the live working personnel during the climbing process of the soft ladder is ensured, the live working personnel is facilitated to climb the soft ladder, the physical consumption of the working personnel is reduced, the working efficiency is increased, the power-off operation time is reduced, and the safety of the power transmission line is improved.

The utility model relates to the technical field of electric wheelchairs, and discloses a sunny and rainy dual-purpose storm-resistant wheelchair which comprises a base, a driving structure is arranged in the base, a first rack is slidably connected in a sliding groove, a clamping block is installed at one end of the first rack, the first rack is in meshed connection with a first gear, and an electric umbrella is clamped in the clamping block. The lifting assembly is used in cooperation with the controller, the two hands of a user are liberated, the user can always focus on controlling the wheelchair through the two hands, operation safety and control stability of going out under the complex weather condition are greatly improved, meanwhile, through the one-key-started automatic lifting and umbrella opening process of the controller, the user experience is improved, and the user experience is improved. The operation steps of sun shading and rain sheltering are remarkably simplified, the complexity and physical exhaustion of manually taking, opening and holding the umbrella by a user are avoided, and particularly, a more convenient, labor-saving and efficient protection means is provided for the elderly user who is inconvenient to move, so that the use experience of the user is remarkably enhanced.

The utility model relates to the technical field of handcart, and disclose a convenient unloading's building construction trolley, including bottom frame and main cabin body, the inside of main cabin body is provided with vibration discharge mechanism, the surface of main cabin body is provided with and pushes the mechanism of sweeping, the inside of main cabin body is provided with loading cabin body, the top of main cabin body and loading cabin body are all open -type structure design, the left side of main cabin body and loading cabin body is inclined structure design, the bottom of bottom frame is fixed with four with self -locking trundle, the right side of bottom frame top is fixed with the support frame, the left side of bottom frame top is fixed with two first support, the top of first support is fixed with with seat bearing, the inner wall of with seat bearing is fixed with the pivot. This convenient unloading's building construction trolley has solved the problem that the traditional handcart needs manual lifting and unloading to lead to great physical consumption and low efficiency, realizes the labor -saving, efficient continuous sandstone material transfer operation.

The utility model discloses a powder collecting device for cement production, and relates to the field of dust collecting devices. The bag type dust collector comprises a main frame body, an upper box body and a lower box body, a crawling ladder is arranged on the outer surface of the main frame body, a lifting mechanism is arranged on the crawling ladder, and due to the arrangement of the lifting mechanism, due to the fact that a worker needs to climb at high altitude in a traditional overhauling mode, the risk is high, and physical exhaustion is large; the lifting mechanism enables a worker to stably stand on the single pedal for lifting operation without climbing, so that the safety accident risk is greatly reduced, the physical burden is relieved, meanwhile, the worker can quickly and accurately reach the maintenance position through the stable lifting of the lifting mechanism and the accurate positioning capability of the single pedal, and the maintenance efficiency is improved. And the maintenance efficiency and accuracy are improved.

The application discloses a counterbalance type forklift pedal brake balancing method, comprising the following steps: S1, multi-dimensional dynamic data real-time acquisition and preprocessing; S2, intelligent matching and dynamic switching of brake mode; S3, dynamic optimization calculation of pedal force feedback characteristic based on intelligent algorithm; S4, real-time adjustment of pedal force and execution mechanism response; S5, effect evaluation and adaptive iterative optimization. The application effectively improves the adaptability of the brake system to complex working conditions, dynamically matches the pedal feedback characteristic with the operation intention and the vehicle state. The system can automatically identify the emergency braking demand and optimize the response speed, reducing the physical consumption of the operator. Through continuous learning of operation habits and environmental characteristics, the human-machine cooperation efficiency is significantly improved. While ensuring brake safety, the energy recovery efficiency and the balance optimization of the operation comfort are realized.

The present application relates to the field of walking aid, especially to a kind of heart and lung surgery rehabilitation nursing walking aid.It includes adjusting assembly, the top of adjusting assembly is equipped with heart rate monitoring assembly, the bottom of adjusting assembly is symmetrically sleeved with two groups of walking aid assembly, and a group of hand limiting assembly is installed on the outer wall of each group of walking aid assembly;The present application exerts supporting force on third sliding rod in the process of patient movement, and third sliding rod starts to extrude pressure sensor in the process of sliding down in third sleeve, and pressure sensor sends instruction to two groups of vacuum pumps when feeling pressure, and two groups of vacuum pumps evacuate air in two groups of vacuum tubes, so that negative pressure state is formed in vacuum tube, then vacuum chuck is tightly combined with contact surface, and the problem that walking aid cannot be supported due to physical exhaustion in subsequent rehabilitation nursing is prevented, and the supporting effect of walking aid is improved, and the safety effect of rehabilitation nursing is improved.

This utility model discloses a portable grounding resistance meter calibration device, relating to the field of resistance meter calibration technology. It includes a housing with a cover hinged to one side. A calibration instrument body is fixedly connected inside the housing, and a test interface is provided on one side of the calibration instrument body. A knob is rotatably connected to the side of the test interface on the calibration instrument body. This utility model adopts the above structure, fixing side frames to both sides of the housing. A drive assembly, a lifting assembly, and a moving assembly are installed on the side frames. The drive assembly drives the lifting and moving components, forming a bag-like structure. Workers can move the device via the moving assembly by lifting the lifting assembly, avoiding the arm muscle fatigue and soreness caused by prolonged carrying of traditional handheld devices, reducing the risk of the equipment falling and being damaged due to physical exhaustion, and making it easy to carry, greatly improving operational convenience.

The invention discloses an improved adjustable mobile auxiliary device convenient for laying a cable on a bridge, and the device comprises a pedestal, the middle part of which is provided with a chute; the cable placing frame is adjustably mounted at one end of the base; the cable straightening mechanism is rotationally connected to the other end of the base; the sliding assembly is installed in the sliding groove in a sliding mode; the guide assembly is connected between the sliding assembly and the cable straightening mechanism; and moving devices are arranged at four corners of the base. The device is simple in structure and novel and reasonable in design, can simplify and accelerate the cable wiring and laying process, can provide an effective auxiliary function, achieves cable guiding, cable fixing, cable dragging assistance and the like, enables workers to complete tasks more quickly, improves the working efficiency, reduces the labor intensity of the workers, and reduces the labor intensity of the workers. The power demand of manually dragging the cable is reduced, and the physical output of workers is reduced.

The utility model relates to the technical field of nursing auxiliary equipment, in particular to a nursing inspection moped which comprises a pedal, a driving wheel is rotatably installed at the end of the pedal, a head fixing sleeve is fixedly installed on the upper surface of the other end of the pedal, a steering column is sleeved with the head fixing sleeve, and a moving wheel is rotatably installed at the bottom of the steering column. The power-assisted vehicle is characterized in that a control panel is fixedly connected to the top of the steering column, handles extend backwards from the two sides of the control panel, control parts are arranged on the handles at the two ends of the control panel respectively, and the control parts comprise the brake control part and the speed control part, so that the brake and the speed of the power-assisted vehicle can be controlled through the control parts. By the aid of the handle, a nurse can realize real-time acceleration regulation or brake starting through pressure of the handle, physical exhaustion is greatly reduced, inspection time is shortened, safety is improved, and an efficient, convenient and humanized solution is provided for hospital nursing work.

The invention relates to a large-dip-angle fully mechanized coal mining face pedestrian assisting device and a control system, the large-dip-angle fully mechanized coal mining face pedestrian assisting device comprises a hydraulic support 10, an auxiliary walking device 20 is arranged on a base of the hydraulic support, the auxiliary walking device 20 is provided with a rack 21 and a walking belt 22, the rack 21 is provided with a transmission roller 23 and a hydraulic motor 24, the hydraulic motor 24 drives the transmission roller 23, and the transmission roller 23 is driven by the walking belt 22. The transmission roller 23 drives the walking belt 22 to move in the width direction of the hydraulic support. The auxiliary walking device has the beneficial effects that a plurality of auxiliary walking devices which are continuously arranged are adopted, a conveying channel capable of automatically walking is provided for underground constructors, physical output of advancing of the constructors can be remarkably reduced, and safety is improved. The control device can control automatic operation of the pedestrian assisting device according to the movement conditions of people and objects, operation safety is guaranteed, and operation consumption is reduced.

The invention discloses a medical one-stop commodity shelf which comprises a bottom frame, a scissor lifting assembly, a rolling mechanism, a storage assembly and a folding containing assembly, universal wheels with a braking function are installed at the bottom of the bottom frame, a push rod is installed at one end of the bottom frame, and the use height of a top plate can be adjusted through the arranged scissor lifting assembly; due to the fact that the idler wheels of the CPM machine are installed in the installation grooves in a rolling mode, after the blocking pieces are taken down from the vertical plates, medical workers can directly push the CPM machine to the sickbed, only one medical worker is needed in the operation, physical exhaustion of the medical workers can be effectively reduced, the CPM machine is not placed on the ground, and the CPM machine is convenient to use. In addition, for a sickbed with a narrow space, a medical worker can take down a baffle firstly and make the placement assembly move forwards to be put on the sickbed under the action of a rolling mechanism, so that the CPM machine can be pushed to the sickbed without directly pushing the bottom frame to the front of the sickbed, and the commodity shelf is more practical.

The invention discloses a marketing recommendation method and system based on real-time context awareness, and relates to the technical field of marketing recommendation. The invention discloses a marketing recommendation system based on real-time context awareness. The marketing recommendation system comprises a candidate content acquisition module, a basic recommendation module, a popularity adjustment module, a physical power adaptation module, a secondary selection content acquisition module and an interactive feedback module. According to the method, the current physical power state of the user is calculated, the comprehensive physical power consumption level of the marketing content is calculated in combination with the static physical power consumption and the popularity state score of the marketing content, and the comprehensive physical power consumption level serves as one of constraint conditions matched with recommendation, so that intelligent screening of strong and weak physical power loads of the marketing content is realized; therefore, failure marketing recommendation caused by user fatigue can be effectively prevented.

The invention discloses a rehabilitation training device which effectively solves the problems that the difficulty is high when a patient autonomously completes knee bending straightening and elbow bending straightening actions, assistance of nursing personnel is needed, and the workload of the nursing personnel is increased. Comprising a bed body, a back plate is placed in a first containing groove, swing boxes are hinged to the front side and the rear side of the right end of the back plate respectively, sliding plates are slidably connected into the swing boxes, thigh plates are fixed to the right ends of the sliding plates, and shank plates are hinged to the right ends of the thigh plates; the front side and the rear side of the movable rod are respectively hinged with arm plates, the front side and the rear side of the bed body are respectively connected with transverse rods in a sliding mode, the left sides of the transverse rods are connected with sliding frames in a sliding mode, the sliding frames are hinged with connecting rods, and the upper ends of the connecting rods are hinged with the arm plates; the device is ingenious in structure and convenient to use, the situation that training is interrupted due to the fact that a patient fears pain or does not feel physical strength is avoided, effectiveness and continuity of rehabilitation training are remarkably improved, and nursing workload is greatly relieved.

This utility model relates to the technical field of wind turbine blade maintenance facilities, and discloses a maintenance platform for wind turbine blades. The wind turbine blade maintenance platform includes a standing platform, a gantry frame, a lifting assembly, a stabilizing assembly, and a docking assembly. This application utilizes the lifting assembly to achieve rapid lifting and lowering of the platform, eliminating the physical exertion of manual climbing and shortening maintenance time. The stabilizing assembly, rigidly connected to the tower, provides lateral support to the standing platform, resisting swaying caused by wind loads and avoiding the risk of falls during manual climbing. The docking assembly slides against the stabilizing assembly to limit the horizontal displacement of the standing platform, ensuring stability during the vertical lifting and lowering of the platform by the lifting assembly and overcoming swaying defects. The wind turbine blade maintenance platform provided by this application can improve work efficiency during the maintenance phase and enhance the work safety of maintenance personnel.

This utility model provides a labor-saving lifting bracket for fabric loading, comprising a bracket body, four bracket rods rotatably arranged near the center of the top, and a support base rotatably connected to the other end of each bracket rod. A placement plate is fixedly installed on the top of the support base. A connecting rod is fixedly installed between two bracket rods located on the same side. A drive assembly is provided inside the bracket body. Through a drive motor, the bidirectional threaded screw, drive frame, hinge rod, and other components are linked to achieve automatic lifting and lowering of the placement plate, replacing the laborious operation of manually lifting fabric, eliminating the limitation of manual handling capacity, reducing physical exertion and fatigue caused by frequent loading, and saving time and labor costs. With the linkage between the support assembly and the lifting mechanism, the coordinated operation of various parts of the equipment ensures the coordination of the actions of each part, improving the stability and reliability of the equipment operation.

The utility model discloses a bench work hammer with an adjustable counter weight, which belongs to the technical field of manual tools and comprises a conical head and a handle, opposite sides of the conical head and the handle are respectively provided with a first counter weight slide rail or a second counter weight slide rail, and the outer surface of one end of the handle is connected to the inner surface of the first counter weight slide rail of the conical head. A lead screw is embedded and slidably connected to one side of the second balance weight sliding rail and connected to an internal thread in a connecting hole formed in the middle of the balance weight block through a ball fit thread, a rotating assembly is fixedly connected to the other end of the lead screw, and an adjusting shaft is slidably connected to one side of the rotating assembly; the other end of the adjusting shaft is slidably connected to one end of the handle in a penetrating mode and fixedly connected with an adjusting plate. By adjusting the position of the balancing weight, a user can optimize the gravity center distribution of the hammer head and reduce the arm fatigue caused by long-time use, so that the working efficiency is improved, and the physical output during use is reduced through the flexible adjustment of the balancing weight and the design of the buffer layer.

The utility model provides a pneumatic steel wire hammering device, belongs to the technical field of steel wire hammering, and aims to solve the problems that an operator needs to stably hold a handle of a hammer with one hand and hold one end of a steel wire with the other hand during steel wire straightening operation, and the requirement for physical strength of the operator is high. The supporting frame is fixedly connected to the upper surface of the operation table; the driving air cylinder is fixedly connected to the front side of the connecting sliding block; the fixing block is fixedly connected to the front of the left side of the supporting frame; the hammering and straightening assembly is arranged below the driving air cylinder; and the reciprocating movement assembly is arranged behind the supporting frame and inside the transmission box. The hammer is driven by the driving cylinder to move up and down, physical exhaustion of workers is greatly reduced, the driving cylinder can be controlled to move left and right through up-down movement of the hammer, and straightening operation on long-distance steel wires is more convenient.

The utility model discloses a polishing device for producing plastic toys, relates to the technical field of toy polishing, and aims to solve the problems that in a long-time working state, the operation process consumes more energy and physical power, the wrist of a worker is aching, the polishing efficiency of the toys is reduced, and the polishing precision of the toys is influenced. The dust-proof polishing device comprises a dust-proof polishing box, a polishing machine, a rotating piece and a clamping piece, the clamping piece comprises a supporting plate arranged above the rotating piece, the inner side wall of the supporting plate is rotationally connected with a two-way threaded rod, the periphery of the outer side of the two-way threaded rod is sleeved with a movable sleeve block, the top end of the movable sleeve block is connected with a clamping plate, and the clamping plate is connected with the dust-proof polishing box. According to the toy polishing device, a structure for clamping a toy and adjusting the transverse angle of the toy is formed, the energy and physical exhaustion of workers is reduced, and the polishing precision and efficiency of the toy are improved.

The utility model relates to medical auxiliary instrument technical field, concretely is a kind of integrated multifunctional walking aid, including walking aid frame body, the bottom of walking aid frame body is equipped with four groups of supporting wheel, the middle position of walking aid frame body is provided with seat plate, the top of walking aid frame body is provided with the support plate of U type. The utility model discloses through the setting of walking aid frame body, supporting wheel, seat plate, support plate and other structures, the walking aid can assist user to stand and walk simultaneously, can also sit down and rest at any time for it when user feels tired, improve its use functionality, avoid user to fall down due to physical exhaustion when rehabilitation training, in addition, through the setting of connecting frame, instrument placing table, mounting plate, portable power source, can be placed on the walking aid for use with the examination instrument, can be convenient for user oneself or medical staff to grasp the physical condition of user at any time, avoid the danger due to abnormal physical condition without timely monitoring.

The utility model relates to a stair machine and discloses a fireman training stair machine which comprises a stair machine body, a sliding rod is arranged at the top of the stair machine body, a safety rope is fixedly wound at the bottom of the sliding rod, a safety belt is fixedly installed at one end of the safety rope, and an air respirator is fixedly installed on the back face of the safety belt. According to the utility model, through the widening design of the stair machine body, firemen can hold objects with two hands during training, the weight-bearing blocks are taken down from the fixing blocks, and the handles are held by hands, so that the weight can be increased during training on the stair machine body; therefore, the real workload can be simulated, and firemen can get habits in training and adapt to physical exhaustion and motion modes when carrying heavy objects. And the safety rope is matched with the safety belt, so that the safety of the firefighter in the training process can be greatly improved.

The utility model discloses a high-voltage fuse mounting structure convenient for rapid replacement, which relates to the technical field of power equipment and comprises a mounting base, insulator bodies are mounted on two sides of the top end of the mounting base, a fixed shell is fixedly connected to the top end of each insulator body, and a push rod is slidably connected to the inner wall of each fixed shell; according to the utility model, synchronous action of the two clamping assemblies is realized by utilizing the double-station clamping assembly, clamping and loosening of the fuse are completed, the working steps are simplified, and only one worm needs to be focused on screwing, so that not only is the operation efficiency improved, but also the possibility that an operator moves and operates back and forth among a plurality of positions during high-altitude operation is reduced, and the labor intensity of the operator is reduced. And the replacement work of the fuse can be completed more intensively, the risks of fatigue, poor physical strength, misoperation and the like caused by long-time hang are reduced, and the personal safety of operators is guaranteed.

The application relates to a structure of a maintenance channel of a submerged arc gate of a sluice, which comprises a maintenance channel, a plurality of sliding grooves are distributed along the width direction and the length direction of the maintenance channel, a plurality of clamping grooves are distributed along the width direction and the length direction of the maintenance channel, the length direction of the sliding grooves is consistent with the length direction of the clamping grooves and is perpendicular to the length direction of the maintenance channel, a bearing plate and a driving element are arranged in the sliding grooves, the driving element is located at one end of the sliding groove far away from the clamping groove, the bearing plate is located at the other end of the clamping groove and is connected with a pole-climbing rod, the pole-climbing rod protrudes from the sliding groove, and the pole-climbing rod is clamped with the clamping groove. The application has the following effects: the physical exhaustion of maintenance personnel when climbing in the maintenance channel can be avoided as much as possible, and the safety hidden danger is reduced.

A device for automatically feeding mulch application equipment onto the ground, minimizing external equipment and reducing the physical strain on operators. The invention relates to a hopper [1] mounted on the application equipment. The hopper consists of a sliding metal structure [2] covered with a tear-resistant reinforced tarpaulin [3] or nested metal shells that unfold to take its final shape by sliding and widening towards the rear of the trailer to create a hopper capable of receiving a large volume of fibers or particles delivered by trucks with tipping platforms that unload directly into the hopper. The hopper will be equipped with a foldable mechanical conveyor [4] that follows the contours of the hopper's base to lift the fibers to the blowing system.The system will eliminate the physical strain on the workforce, the use of lifting equipment, and damage to the storage site, and will significantly increase efficiency. See figure [fig.3] for the summary.

The utility model relates to the technical field of fishing gears, and particularly discloses a multifunctional rod hanging device for fishing, which comprises a waistband main body, a protection pad and a fishing bag, two ends of the waistband main body are connected through a buckle, a length adjusting buckle is arranged on the waistband main body, the protection pad is arranged on the side surface of the waistband main body, two hooks are arranged on the protection pad, and the fishing bag is arranged on the waistband main body. The two hooks are symmetrically arranged on the two sides of the protection pad, and the fishing bag is installed on the waistband body. The fishing rod can be hung between the hooks to release the two hands, bait replacement is facilitated, the risk that the fishing rod is possibly damaged or damaged is avoided, meanwhile, supporting force can be provided for the fishing rod, a fisherman can save more labor, and the fishing rod is more convenient to use. The fatigue feeling of arms and other parts of the body of a fisherman due to long-time holding of the fishing rod is effectively relieved, physical exhaustion is remarkably reduced, and fishing experience and pleasure are ensured.

The utility model discloses a lifting-free damping sole, relates to the technical field of shoes, and aims to solve the problem that the conventional shoes are inconvenient and laborious to put on and take off. The shoe sole is composed of a shoe sole body, a wrapping part, an elastic ring, a hollow part, a plurality of damping cavities and a supporting column, and the shoe sole is integrally formed through the injection molding technology. The upper surface of the sole body is provided with a recessed portion lower than the edge, and the wrapping portion fits the side of a foot to provide support. The elastic ring is designed to be of a U-shaped structure, an inclined face part is arranged on the inner side of the elastic ring, the inclination angle and the opening angle of the hollowed-out part are 10-45 degrees, and therefore the heel part can step down conveniently and push the elastic ring to deform. When the heel portion crosses the elastic ring, the elastic ring automatically rebounds, and the heel is free of lifting. Meanwhile, the damping cavities are combined with the supporting columns, so that the damping performance of the sole is improved. The step of putting on and taking off the shoes is simplified, physical exhaustion is reduced, comfortable and safe walking experience is provided, and remarkable technical progress and practical value are achieved.

The utility model relates to the technical field of water sports equipment, and particularly discloses a flipper which comprises a shoe body and a paddle body. The shoe body comprises a vamp on the upper portion, a toe cap on the front side and a sole at the bottom, and the vamp, the toe cap and the sole jointly define a shoe cavity capable of containing the foot. One end of the paddle body is connected with the vamp, the other end of the paddle body extends outwards, the other end of the paddle body is bent towards one side of the sole at a certain angle, and a paddling cavity is formed in the connecting position of the paddle body and the toe cap; a reset reinforcing rib is arranged in the paddling cavity, and the shoe head and the paddle body are connected through the reset reinforcing rib. According to the utility model, the paddle body extends outwards and is bent towards one side of the sole at a certain angle, so that water flow can be grabbed more effectively, and larger thrust can be generated in the backward paddling process. Therefore, the swimming speed of the user can be increased in breaststroke or similar swimming actions, and physical exhaustion is reduced.

The utility model relates to the technical field of pelvic floor correction, in particular to nursing equipment with a pelvic floor correction function, which comprises a base and a seat, the seat is mounted at the upper end of the base, two groups of first fixing rods are fixedly connected to two sides of the seat, a support component is arranged on the upper sides of the first fixing rods, and the support component is fixedly connected with the base. An adjusting assembly is arranged between the first fixing rod and the supporting assembly, and a tray is installed on the lower side of the left side of the seat. The supporting assembly comprises a back cushion and a binding belt, and the adjusting assembly comprises a fixing block, a first connecting rod, a ratchet wheel, a second fixing rod, a movable plate, a telescopic rod, a spring and a pull rod. According to the utility model, the adjusting assembly is arranged; a patient can gradually increase the opening angle, after being opened by a certain angle, the patient continues to take exercise after having a rest for a period of time, the physical exhaustion of the patient is avoided through a progressive exercise mode, rehabilitation training of a pregnant woman on pelvic floor muscles can be effectively helped, and the usability of equipment is greatly improved.