23results about How to "Improve climbing ability" patented technology

The invention relates to a direct current side coupling type super capacitor-battery hybrid energy storage system. According to the energy storage system, a super-capacitor module and a battery module are directly connected on the direct current side through a bidirectional DC / DC converter, the super-capacitor module is connected with a power grid through a current source type converter, the battery module is connected with the power grid through a voltage source type converter, and a modularized and extensible topological structure is formed. The system has multiple differentiated working modes, cooperative efficient operation of the super-capacitor and the battery can be achieved according to working conditions, high-frequency / short-time power is preferentially borne by the super-capacitor, and the battery is responsible for steady-state energy adjustment. And meanwhile, by virtue of the boosting capability of the current source type converter, the super capacitor can support the power grid in a short time and strong manner in a deep discharging manner. And the battery module charges the super capacitor module through the bidirectional DC / DC converter, so that the influence of frequent charging of the super capacitor on the grid-side electric energy quality is reduced. The method can effectively reduce the aging loss of the battery, improves the energy storage utilization efficiency and the power grid friendliness, assists the new energy consumption and the safe and stable operation of the power grid, and has economic and social benefits.

The utility model relates to rail transit technical field, specifically disclose a gear and rack drive rail car bogie. The gear and rack drive rail car bogie includes framework, wheel group, power source, drive gear, damping device and anti side roll device, wheel group is installed on the framework, and it includes at least one of supporting wheel, guide wheel and safety wheel, plays the supporting, guiding, anti-overturning effect, power source is installed on the framework and is connected with drive gear, drive gear is engaged with the rack on the track, provides the driving force for the bogie travel on the track, damping device is installed on the framework, the upper part supports the carriage, plays the role of buffering the vibration and impact between bogie and carriage, anti side roll device is installed on the framework, and the left and right swing of the carriage on the bogie is limited. The whole structure is simple, and has strong climbing ability, and the stability, comfort can be effectively guaranteed, can use the existing rail steel structure and rail foundation, saves the cost.

The present application relates to the technical field of highway-railway dual-purpose transport equipment, in particular to a highway-railway dual-purpose steel rail double-frequency electric normalizing train, which comprises a vehicle body, a tool container and a mobile steel rail pressure-keeping double-frequency electric normalizing device are carried on the vehicle body; the vehicle body comprises a truck chassis assembly, a load-bearing frame and a hydraulic pump station are connected to the truck chassis assembly, and a set of telescopic hydraulic leg mechanisms are arranged at the front and rear ends of the truck chassis assembly respectively, and a wheel-rail running lifting mechanism is connected to the load-bearing frame; the present device is suitable for post-welding pressure-keeping double-frequency electric normalizing heat treatment operation of steel rail joints in seamless lines and urban rail transit. Furthermore, the device and the tool box are integrated and installed on a highway-railway dual-purpose vehicle, so that the working efficiency is improved, the on-and-off track operation and construction requirements of the device are facilitated, and the hoisting and carrying cost of the device can be greatly saved.

This invention discloses a high lift-to-drag ratio, long-endurance, low-speed airfoil, revealing its maximum relative camber, maximum relative thickness, and the curve equations satisfied by its upper and lower edges. The origin of the coordinate system containing the airfoil is defined as the leading edge of the chord. The X-axis coincides with the chord line, pointing from the leading edge to the trailing edge of the airfoil. The Y-axis is perpendicular to the X-axis, pointing in the direction of the airfoil's curvature. The chord length is defined as C; therefore, the maximum relative camber is 6%C, and the maximum relative thickness is 4.5%C. The airfoil of this invention exhibits a higher lift-to-drag ratio and a higher lift coefficient while maintaining a lower drag coefficient. It reduces the weight of the wing structure, and its thin, curved shape results in a smaller internal wing cavity, optimizing aircraft weight while concentrating stress on the structure.

The application discloses a path planning method, a path planning device, a self-moving device and a computer storage medium. The method is applied to the self-moving device, the self-moving device comprises a first front wheel and a second front wheel, the first front wheel and the second front wheel are arranged in a non-parallel manner, and the method comprises the following steps: when it is detected that the self-moving device is located on a slope, the direction of the slope is determined according to the current posture of the self-moving device; the first angle between the direction of the slope and the first front wheel and the second angle between the direction of the slope and the second front wheel are determined; the target motion direction of the self-moving device is determined according to the first angle and the second angle; the slope moving path is planned according to the target motion direction, and the self-moving device is controlled to move along the slope moving path. The method can improve the climbing ability of the self-moving device, and further improve the operation coverage and operation effect.

The monorail personnel transportation device for the coal mine tunnel comprises a rail assembly and a transportation vehicle advancing on the rail assembly, the transportation vehicle comprises a driving part, a cabin and a bearing trolley, the rail assembly comprises a rail, the driving part comprises a hydraulic motor and a friction wheel, the friction wheel can roll on the rail, and the cabin is arranged on the rail. Through driving of the hydraulic motor and friction wheels on the two sides, the running speed is increased, the driving force is larger, the gradeability is higher, running is more stable, a rail is clamped through a brake block of a brake assembly, rapid braking can be achieved, the transport capacity of a single train can be improved according to the needs of personnel through the modular marshalling design, and the situation that the train does not need to turn around to go back and forth is achieved through the two-way cockpit configuration; the air spring damping and rotation structure enables operation to be more stable, the track structure supports rapid extension, and the narrow fuselage design enables the device to be suitable for a complex narrow roadway network of a mine.

The application provides a rear axle steering continuous pipe operation roller semi-trailer. The semi-trailer comprises a frame, a roller arranged on the frame, a rear axle assembly and a rear axle steering mechanism. The rear axle steering mechanism comprises an upper support seat, a rotary disc bearing, a lower support seat and a steering driving assembly. The steering driving assembly and the upper support seat are arranged on the frame, the rotary disc bearing is connected with the upper support seat and the lower support seat respectively, and the lower support seat is fixedly connected with the rear axle assembly. The steering driving assembly is connected with the lower support seat to drive the lower support seat to rotate relative to the upper support seat and drive the rear axle assembly to rotate. The rear axle assembly is steered by adopting the steering driving mechanism to drive the lower support seat. The relative rotation angle between the frame and the wheel is large, the turning radius of the semi-trailer is reduced, the reliability of the steering driving is improved, the safety of the whole vehicle is improved, and the driving strength of the vehicle is reduced.

A strip camellia fruit resonant picking machine, including lifting motor, suspension belt, track assembly, chassis frame, track servo motor, lifting device and battery pack, wherein the lifting motor is installed on the top of the lifting device, and the lifting device is controlled by the lifting motor to meet the picking requirements of different height branches; the lifting device is installed with a lifting plate, and the lifting plate is symmetrically provided with a suspension belt for mounting the picking device; the bottom of the lifting device is installed on the chassis frame, and the track assembly is symmetrically installed on both sides of the chassis frame; the track servo motor and the battery pack are installed on the chassis frame; the battery pack is connected with the track servo motor, the lifting motor and the picking device; at the same time, the amplitude adjusting variable amplitude vibration assembly for different tree conditions, the clamping assembly for clamping camellia fruit branches and the vibration motor for realizing resonance are arranged in the picking device; two sets of picking devices are used to pick the same tree under the action of resonance, which effectively improves the work efficiency.

The invention belongs to the technical field of oilfield chemistry, and relates to a gas reservoir crack mixed temporary plugging agent and a preparation method thereof. The temporary plugging agent is prepared from the following components in parts by mass: a water-soluble high-molecular polymer, heat-resistant starch, degradable fibers, a strength improver and water, the strength improver is montmorillonite powder wrapped by polyvinyl alcohol. The water-soluble high-molecular polymer is matched with the degradable fibers and the starch particles to be interwoven and connected to form a net-shaped structure, so that the pressure resistance is improved, and the temporary plugging effect is improved; according to the strength improving agent, montmorillonite powder wrapped by polyvinyl alcohol is added, in the process that the temporary plugging agent still flows downwards, the polyvinyl alcohol on the surface of the montmorillonite powder is melted along with decline and temperature rise, so that the montmorillonite powder leaks out and absorbs water again to swell, and the strength of the temporary plugging agent is improved. And montmorillonite powder wrapped by heat-resistant starch-degradable fiber-polyvinyl alcohol is cross-linked to form a rich three-dimensional system structure as a climbing skeleton, so that the temporary plugging agent can temporarily plug cracks at positions needing temporary plugging.

This invention relates to the field of lawnmower technology, specifically a self-propelled lawnmower. It includes a tracked motor and a mowing section. The front end of the tracked motor is equipped with an assembly platform for accommodating the mowing section. The tracked motor's interior includes a drive section, a first drive arm, and a second drive arm. The drive section extends the first and second drive arms outwards. The mowing section is connected to the first drive arm. The outer end of the second drive arm is connected to a limiting component, located at the rear of the tracked motor. This design allows the mowing section and the limiting component to extend and be limited simultaneously. During the lawnmower's uphill climb, the limiting component assists and limits the rear of the mower, while simultaneously balancing the drive section and the mowing section, improving the mower's uphill performance and preventing accidents and damage during the climb.

This invention discloses a five-row planetary power shift transmission and related engineering machinery. The transmission includes: an input shaft, an output shaft, a power transmission unit disposed between the input and output shafts for transmitting power from the input shaft to the output shaft, and a control unit for changing the speed of the output shaft. The power transmission unit includes planetary gear sets one through five connected in sequence. The control unit includes clutches one through three and brakes one through five for changing the coupling state of planetary gear sets one through five. This invention features a wide speed ratio range and a finely spaced gear layout, effectively improving the machine's climbing ability, transportation efficiency, and fuel economy.

The utility model discloses a kind of power transmission and steering connecting structure of tractor transport unit, including traction outer frame, traction inner frame, fork type drawbar, double ball cage constant velocity universal joint, transmission shaft, drawbar sleeve, double cross universal joint, transmission assembly and transmission shaft universal joint, fork type drawbar includes fork type end and drawbar, the traction outer frame is hinged with traction inner frame, and is connected with tractor head's transmission case, the traction inner frame is hinged with the fork type end of fork type drawbar, double ball cage constant velocity universal joint is installed in the cavity formed by traction inner frame and fork type end, between the transmission shaft and transmission assembly is connected by double cross universal joint. The utility model passes through using double ball cage constant velocity universal joint, can make tractor group more safe when turning angle is larger;By increasing shift mechanism, tractor group can have greater driving force.

The utility model relates to an inspection robot system and a driving device. The driving device comprises a first mounting seat; a second mounting seat; the middle connecting piece is pivotally connected between the first mounting seat and the second mounting seat; the motor is mounted on the first mounting seat and / or the second mounting seat, the transmission chain wheel is rotatably connected with the motor, and the motor drives the transmission chain wheel to rotate; the transmission chain is mounted at the bottom of the track and is meshed and matched with the transmission chain wheel; the first mounting seat comprises a main body, a pair of suspension arms which are positioned on the upper part of the main body and are positioned on the left and right sides of the track during mounting, and an upper guide wheel and a lower guide wheel which are arranged up and down as well as a pair of side guide wheel mechanisms which are spaced along the extension direction of the track are mounted on each suspension arm; the second mounting seat comprises a main body, a pair of suspension arms which are positioned on the upper part of the main body and are positioned on the left side and the right side of the track during mounting, an upper guide wheel and a lower guide wheel which are arranged up and down are mounted on each of the pair of suspension arms, and a pair of side guide wheel mechanisms which are spaced along the extension direction of the track.

A punching-free lap joint walking channel for a photovoltaic panel cleaning robot belongs to the technical field of photovoltaic equipment and comprises outer side connecting pieces and U-shaped steel, the outer side connecting pieces are arranged on the left side and the right side of the opposite side faces of adjacent photovoltaic panels and inserted into the side edges of the adjacent photovoltaic panels, and the U-shaped steel is arranged on the left side and the right side of the adjacent photovoltaic panels and inserted into the side edges of the adjacent photovoltaic panels. And the U-shaped connecting pieces are respectively connected to the two photovoltaic panels on the same side, and the U-shaped openings are oppositely arranged and are fixedly connected with the connecting pieces on the outer sides. The photovoltaic panel connecting structure is connected to the adjacent photovoltaic panels through a lap joint method, stable connection is achieved while punching of the photovoltaic panels is avoided, and the photovoltaic panel connecting structure is simple in structure, few in accessories, convenient to mount and dismount, capable of adapting to different photovoltaic panel intervals and remarkable in effect.

The application discloses a double-steering hand-held variable-type transport machine, which solves the problem of large turning radius of the existing hand-held variable-type transport machine and difficulty in turning on a narrow road. The hand-held variable-type transport machine comprises a front frame and a rear frame, the front frame is hinged to the rear frame, a turning telescopic cylinder for pushing the front frame to turn is hinged to one side of the front frame and the rear frame, characterized in that a driving mechanism for driving the wheels to turn is arranged on the other side of the front frame and the rear frame, the driving mechanism is connected with a turning structure of a front axle hub of the transport machine, an integrated gearbox is arranged on the rear frame, and the gearbox is connected with a front axle of a front wheel through a front transmission shaft. The double-steering hand-held variable-type transport machine has the advantages that the linkage mechanism is arranged on the front frame and the rear frame, the whole machine is flexible in turning, the turning radius is small, the passing capacity of the vehicle is improved, and the purpose of safe driving is achieved.

This utility model provides a vibratory roller wheel with protruding plates, belonging to the field of vibratory rollers. It includes at least two arc-shaped wheel plates connected end-to-end. At least two layers of fixed tooth blocks are axially spaced on the outer surface of each arc-shaped wheel plate, with any two adjacent layers of fixed tooth blocks staggered. The edges on the arc-shaped wheel plates used for connecting with adjacent arc-shaped wheel plates are curved edges. At least one layer of fixed tooth blocks in any two adjacent layers has connecting tooth blocks at both ends at the curved edges. The connecting tooth blocks are detachably connected to corresponding connecting tooth blocks on adjacent arc-shaped wheel plates via fasteners. The advantages of this utility model are that, through its unique tooth block arrangement structure, it ensures no dead angles during compaction and adapts to various compaction conditions; furthermore, it ensures a stable connection between adjacent arc-shaped wheel plates, preventing loosening and uneven gaps, thereby guaranteeing overall compaction quality.

The utility model relates to all terrain vehicle field, specifically disclose a two gear transmission of all terrain vehicle, include: input shaft, be used for connecting the drive motor of all terrain vehicle to receive power, two gear transmission subassembly, including high speed gear set and low speed gear set, be used for realizing different speed ratio power transmission respectively, synchronizer, switchable with high speed gear set or low speed gear set cooperation, to select high speed gear or low speed gear power transmission path. In the utility model, through setting two gear transmission subassembly including high speed gear set and low speed gear set, can switch speed ratio according to the driving scene: high speed gear state, power transmission through first high speed gear, second high speed gear, realizes whole car high vehicle speed travel with adaptable speed ratio, low speed gear state, power transmission through first low speed gear, second low speed gear, through greater speed ratio output sufficient torque, improve the climbing performance and acceleration performance.

The invention discloses oil tea fruit collecting equipment, and relates to the technical field of oil tea fruit collection, the collecting equipment comprises a walking part and a collecting part, the walking part comprises a rack body and two walking parts; the collecting part comprises a fruit shaking assembly, a left-right canvas unfolding mechanism and unfolding and shrinking type collecting canvas. The left-right canvas unfolding mechanism can drive the unfolding and shrinking type collecting canvas to shrink and be unfolded in an umbrella shape. After the expanding and contracting type collecting canvas is expanded, the center part of the expanding and contracting type collecting canvas is provided with a fence space, and the side part of the fence space is provided with a material collecting opening for oil tea fruits to fall down; and the fruit shaking assembly is arranged at the tail part of the rack body and can rotate and extend and retract in a pitching manner on the rack body. According to the extensible collecting canvas, the extensible collecting canvas can be unfolded in an umbrella shape, falling oil tea fruits can be effectively collected, the oil tea fruits are collected according to the vibration shaking principle, and in order to reduce damage to oil tea trees, the machine shakes branches of the oil tea trees, so that the collecting purpose is achieved.

The application relates to the field of vehicle silencers, in particular to a silencer assembly for a vehicle and the vehicle, which comprises a purification device, a first silencer and a second silencer, the air inlet end of the purification device is adapted to be connected with the air outlet end of an engine, the first silencer is arranged downstream of the purification device, and the second silencer is arranged downstream of the first silencer; wherein the first silencer is internally provided with a silencing piece, a plurality of silencing elastic sheets are arranged on the silencing piece and are spaced from each other, the second silencer is internally provided with a silencing cavity, a silencing pipe which is in communication with the first silencer is arranged in the silencing cavity, the silencing pipe is formed with a silencing hole which is in communication with the silencing cavity, through the plurality of silencing elastic sheets which are spaced from each other in the first silencer, the silencing elastic sheets are subjected to forced vibration under the impact of airflow, the vibration generates anti-phase sound waves to realize noise cancellation and energy dissipation of the noise, the influence of exhaust back pressure in the silencer assembly is reduced, and the contradiction between noise control and back pressure rise is balanced.

This application discloses a tire and a cleaning robot. The tire includes at least two treads, each tread comprising teeth and grooves, with a groove formed between adjacent teeth. Each tooth has a tooth contact surface. On a projection plane perpendicular to the tire's axial direction, the projections of the tooth contact surfaces of at least two treads are discontinuous along the tire's circumference. This design, where the projections of the tooth contact surfaces of at least two treads are discontinuous along the tire's circumference on a projection plane perpendicular to the tire's axial direction, allows for the formation of gaps between adjacent treads at the discontinuities. These gaps provide the frictional resistance needed for climbing, facilitating the crossing of obstacles and preventing tire slippage. Specifically, when crossing obstacles, these gaps can accommodate at least part of the obstacle, allowing the teeth to grip and climb over it, resulting in smoother movement. Furthermore, the discontinuous tooth contact surfaces allow each tooth contact surface to deform independently, providing better cushioning and shock absorption.

The utility model discloses a based on the double circle track of flexible initiative barrier formula carrier trolley of variable diameter, including chassis component, walking wheel subassembly, walking wheel power system subassembly and flexible clamping system subassembly, and walking wheel subassembly includes four walking wheels of matrix arrangement, walking wheel power system subassembly is connected with four walking wheels, is used for driving four walking wheels and walks on double circle track, flexible clamping system subassembly includes four guide wheels and guide drive system of four guide wheels are connected with opposite settings, and guide wheel can roll along the inner wall of double circle track both sides, and guide drive system can adjust guide wheel automatic keep with the inner wall of double circle track constant pressure contact according to the size between the inner wall of double circle track. Based on the double circle track of flexible initiative barrier formula carrier trolley of variable diameter, has solved the technical problem of traditional rigid structure easy to jam, derailment on the double circle track, and has high stability, strong environmental adaptability simultaneously.

The present application relates to the technical field of vehicle control, and discloses a vehicle automatic gear shifting method, device, electronic equipment and vehicle, the method comprising: obtaining an initial gear shifting curve, and identifying a current vehicle weight and a current slope; when the current vehicle weight and the current slope are successfully identified, calculating a vehicle speed parameter variation generated within a gear shifting time interval according to the current vehicle weight and the current slope; updating the vehicle speed parameter corresponding to a gear position change in the initial gear shifting curve by using the vehicle speed parameter variation to obtain a corrected gear shifting curve; performing gear shifting according to the corrected gear shifting curve; and when the current vehicle weight and the current slope are not successfully identified, performing gear shifting according to the initial gear shifting curve. When the vehicle weight and the slope are not successfully identified, the present application can ensure normal driving and safe gear shifting of the vehicle, and when the vehicle weight and the slope are successfully identified, the present application can correct the original gear shifting strategy and drive according to a gear shifting strategy with stronger climbing ability, thus taking into account the climbing ability and safe driving ability of the vehicle.