10results about How to "Reduce driving difficulty" patented technology

The invention relates to the field of aircrafts, and discloses an electric vertical take-off and landing tilt rotor aircraft which comprises an aircraft body 1, a front fixed wing 2, a rear fixed wing 3, a ducted coaxial double-rotor tilt assembly 4, an aircraft take-off and landing supporting frame 5, a power battery 6 and a flight control system 7. According to the electric vertical take-off and landing tilt rotor aircraft, directional thrust is provided through ducted coaxial double rotor tilting, and the aircraft can be transited to a transition mode from a hovering mode, then to a forward flying mode and then returns to the hovering mode. The aircraft can vertically take off and land, hover and fly forwards, special airports and runways are not needed, the use cost is reduced, the carbon emission is remarkably reduced, the manufacturing difficulty is reduced, the flight efficiency is high, the flight speed is high, and the flight stability is high.

The invention provides an electric vehicle modal analysis and balance control method, system and device and a storage medium, and the method comprises the steps: solving a characteristic value based on the rigidity and quality of an electric vehicle through employing a finite element method when the inherent frequency of the electric vehicle meets the design index requirements; when the inherent frequency of the electric vehicle does not meet the design index requirement, the characteristic value sensitivity of the electric vehicle is obtained based on a finite element perturbation formula of the characteristic value sensitivity, the inherent frequency of the electric vehicle is adjusted according to the characteristic value sensitivity of the electric vehicle, and a characteristic value is obtained. According to the method, the most sensitive part of the electric vehicle can be directly found out, the inherent frequency of the electric vehicle is greatly improved through small modification, and the balance of the electric vehicle is rapidly achieved; repeated calculation can be avoided, the speed is high, and the method is simple and low in cost; the stability is high, the safety is high, and the application range is wide.

The present invention discloses a method for setting up an autonomous parking system for a large electric truck based on field-side collaboration, and the method includes the following steps: the first step is to carry a vehicle networking platform; the second step is to establish a parking lot management module; the third step is to build an autonomous parking control system; the fourth step is to perform trajectory tracking control; the fifth step is to build a real-time vehicle-side collision avoidance system; the sixth step is to establish an information processing system; the beneficial effect is to improve the efficiency of traffic operation. The system is suitable for the transition stage between semi-intelligent driving and intelligent driving, and is a great leap in technology. The application of this system can not only save the driver's parking time, but also improve people's driving experience. It can effectively alleviate the contradiction between parking supply and demand, realize the maximum utilization of resources, and help people save time. It can reduce the difficulty of driving, improve the industrial structure, and promote the information level of the entire country.

The transportation device with the hoisting structure comprises a transportation vehicle and a counterweight filler, a warehouse is arranged on the upper side of the transportation vehicle, a partition plate is fixedly connected to the left side of the interior of the warehouse, a lifting component is arranged on the left side of the interior of the warehouse, an angle adjusting component is arranged on the upper side of the lifting component, and the counterweight filler is fixedly connected to the partition plate. Compared with the prior art, the angle adjusting device has the advantages that the height of the cross beam and the height of the electric hoist can be adjusted by arranging the lifting component, so that the driving difficulty of a driver to the transport vehicle can be reduced, and the driving safety of the transport vehicle is improved. And meanwhile, the angle adjusting component enables the electric hoist to freely adjust the hoisting angle according to specific conditions, so that the use flexibility and multifunctionality of the electric hoist are improved, and the electric hoist is suitable for different working environments and requirements.

The invention discloses a leading guide type self-tracking motor home and a self-tracking control method thereof, and belongs to the technical field of motor home, the motor home comprises a leading guide vehicle and a self-tracking motor home, the leading guide vehicle and the self-tracking motor home are not towed, the leading guide vehicle is provided with a leading guide signal sending module, and the self-tracking motor home is provided with a self-tracking signal receiving module. The self-tracking motor home is provided with a leading guide signal receiving module and a master controller, the leading guide signal receiving module receives a signal of the leading guide signal sending module and transmits the signal to the master controller, and the master controller starts the self-tracking motor home to synchronously follow the leading guide vehicle. The third-generation motor home model of the pull-free leading guide type self-tracking motor home is provided for upgrading of an existing motor home, when the leading guide vehicle runs, the self-tracking motor home can automatically follow, additional manual control is not needed, the safety and convenience of travel are improved, after parking, the leading guide vehicle can freely move, and the safety and convenience of travel are improved. Particularly, the driving difficulty is greatly reduced, and the problems that the requirement for the driving technology is high, and turning, reversing and other operations are complex are solved.

The utility model provides a material taking and placing mechanism, which comprises a mounting frame, a plurality of first guide parts and a plurality of second guide parts, the multiple taking and placing parts are movably connected with the mounting frame, and each taking and placing part can move along the corresponding first guide part; the driving assembly is arranged on the mounting frame, the driving assembly is connected with the multiple pick-and-place parts, the driving assembly is used for driving the multiple pick-and-place parts to be switched between a first state and a second state along the corresponding first guide parts, when the multiple pick-and-place parts are in the first state, the multiple pick-and-place parts are linearly arranged, and when the multiple pick-and-place parts are in the second state, the multiple pick-and-place parts are linearly arranged. And the plurality of pick-and-place parts are arranged in a curve. According to the material taking and placing mechanism, the arrangement mode of the multiple taking and placing parts can be changed, and then the arrangement mode of the materials obtained by the taking and placing parts is changed, so that multiple materials can be taken and placed in the one-time material taking and placing process of the material taking and placing mechanism, material taking and placing can be conducted under the condition that the rotating disc does not stop, the transfer speed is increased, and the transfer efficiency is improved. And the utilization rate of intelligent equipment is improved.

The utility model provides a hydraulic control system, and relates to the technical field of hydraulic control. The system comprises a first control valve, a second control valve, a third control valve, a first hydraulic cylinder, a second hydraulic cylinder, a third hydraulic cylinder and a fourth hydraulic cylinder, and working cavities of the first hydraulic cylinder and the third hydraulic cylinder are communicated with a first oil port of the third control valve through the first control valve and corresponding pipelines. And working cavities of the second hydraulic cylinder and the fourth hydraulic cylinder are communicated with a first oil port of the third control valve through a second control valve and a corresponding pipeline. According to the utility model, the first hydraulic cylinder, the second hydraulic cylinder, the third hydraulic cylinder and the fourth hydraulic cylinder which are used for corresponding clamps to clamp or loosen the movable mold are controlled in groups, namely, the first hydraulic cylinder and the third hydraulic cylinder are controlled through the first control valve, and the second hydraulic cylinder and the fourth hydraulic cylinder are controlled through the second control valve; redundant design of the hydraulic cylinder is achieved, the risk of single-point failure is avoided, and the fault handling capacity of a hydraulic control system is improved.

This application relates to the field of medical device technology, and in particular to a pulse ablation clamping device, including a handle, a support tube, a first ablation clamp, a second ablation clamp, a flexible transmission assembly, and a drive assembly. One end of the support tube is fixedly mounted on the handle, and its interior communicates with the interior of the handle. The first ablation clamp is fixedly mounted on the end of the support tube away from the handle. The second ablation clamp is movable toward or away from the first ablation clamp on the end of the support tube away from the handle. Compared to existing pulse ablation clamping devices, the support tube can undergo plastic deformation, allowing the first and second ablation clamps to move synchronously and rotate synchronously at multiple angles more flexibly, adapting to the tissue orientation of different sites and improving surgical flexibility. The drive assembly can drive the second ablation clamp toward the first ablation clamp via the flexible transmission assembly. Compared to rigid transmission methods, it can transmit power in a non-linear transmission path.

The utility model relates to the technical field of engineering machinery, and discloses an engineering machinery loading power transmission system and engineering machinery. The clutch is arranged corresponding to the output end of the power component and has a combined state and a separated state with the power component; the transfer component is in transmission connection with the clutch; the rocker arm structure is connected with the clutch, and the rocker arm structure is arranged in a swinging mode so that the clutch can be switched between the combination state and the separation state; and the linear driving structure is suitable for driving the rocker arm structure to swing. The linear driving structure is adopted to drive the rocker arm structure, so that the rocker arm structure drives the clutch and the power component to be combined or separated, the rocker arm structure is prevented from being directly driven manually, time and labor are saved, the driving difficulty of the rocker arm structure is reduced, and the clutch and the power component can be smoothly separated; and the reliability of the loading power transmission system of the engineering machinery is improved.

The utility model relates to the technical field of coffee making equipment, and discloses a weighing device, a bean grinder and a coffee machine. The weighing device comprises a material receiving container, a door plate assembly, a driving piece and a weighing mechanism. A discharge hole is formed in the bottom of the receiving container; the door plate assembly is movably connected with the bottom of the material receiving container and has a first state for shielding the discharge port and a second state for opening the discharge port; the driving piece is arranged on the material receiving container and drives the door plate assembly to be switched between the first state and the second state. The weighing mechanism is arranged at the bottom of the material receiving container, and the weight sensor is used for detecting the weight of materials in the material receiving container when the door plate assembly is in the first state. The weighing device can weigh the materials when the door plate assembly is in the first state and discharge the materials when the door plate assembly is in the second state, automatic discharge of the materials is achieved, the weighing process of the materials is simplified, and the coffee blending efficiency is effectively improved when coffee is blended.