10results about How to "Increase ground clearance" patented technology

This utility model relates to a steering wheel walking mechanism for ridged planting land, comprising a frame, a drive assembly, and tracks. The drive assembly is mounted on the frame, and a mounting frame is located on the outer bottom of the frame. A drive wheel is located on the top of the mounting frame, and the drive assembly drives the drive wheel to rotate. Two pairs of support wheels are located at the bottom of the mounting frame. The tracks are wound around the drive wheel and the two pairs of support wheels, and are driven by the drive wheel. The steering wheel walking mechanism for ridged planting land provided by this utility model, by combining the mounting frame located on the outer bottom of the frame with the tracks, raises the height of the frame, thereby increasing the height of the chassis mounted above the frame. When moving on ridged planting land, it can prevent the chassis above the frame from colliding with the ridge. By increasing the ground clearance of the chassis and optimizing walking stability, agricultural machinery can adapt to complex terrain between ridges.

The utility model provides a transmission system and a vehicle. The transmission system comprises an engine which comprises an oil pan, and an oil storage cavity is formed in the oil pan; the speed reducer comprises a speed reducer shell and a first half shaft, the speed reducer shell is arranged on one side, in the first direction, of the oil pan and connected with the oil pan, the first half shaft extends in the first direction, one end of the first half shaft is located in the speed reducer shell, and the other end of the first half shaft is located in the oil pan. The first half shaft is arranged on the two opposite side walls of the oil pan in the first direction in a penetrating mode. The support assembly is arranged on the side, away from the speed reducer shell in the first direction, of the oil pan and connected with the oil pan, the support assembly is provided with a supporting hole, and the first half shaft further penetrates through the supporting hole. The integrated design of the speed reducer and the engine can be achieved, so that the installation convenience of the speed reducer is improved, and then the arrangement convenience of the transmission system on the vehicle is improved.

This invention discloses a suspension valve assembly, a hydropneumatic suspension system, and an all-terrain crane. The suspension valve assembly includes suspension valve assembly ports A, B, and SP; a first electromagnetic directional valve connected between suspension valve assembly port B and hydraulic oil tank inlet P, controlling the flow of hydraulic fluid into the small chamber of the suspension cylinder; a second electromagnetic directional valve connected between suspension valve assembly port A and hydraulic oil tank inlet P, controlling the flow of hydraulic fluid into the large chamber of the suspension cylinder; a third electromagnetic directional valve connected between suspension valve assembly port A and hydraulic oil tank return port T, controlling the flow of hydraulic fluid from the large chamber of the suspension cylinder back to the hydraulic oil tank; a suspension spring stiffness switching valve connected between suspension valve assembly port A and hydraulic oil tank return port T, controlling the interaction between the hydraulic fluid in the large chamber of the suspension cylinder and the accumulator; and a fourth electromagnetic directional valve connected between suspension valve assembly ports B and SP, controlling the interaction between the hydraulic fluid in the small chamber of the suspension cylinder and the accumulator. This solution enables the vehicle to have a lifting suspension function after being supported by a crane.

A large-bearing stress structure frame is suitable for a 5000-meter desert vehicle-mounted petroleum drilling and workover rig and is characterized in that a spliced I-shaped steel frame beam structure is adopted, and a spliced I-shaped steel frame beam is provided with an upper wing plate and a lower wing plate with variable cross sections, an integral web plate and double web plates arranged at the positions where local stress is large; six sets of supporting legs are arranged on the front portion, the middle portion and the rear portion of the frame in total and comprise four sets of hydraulic supporting legs and two sets of mechanical supporting legs, and the six sets of supporting legs are used for transmitting loads to the ground nearby at the large stress position, reducing the internal stress of the frame and achieving supporting and bearing in the vehicle transportation and drilling operation process on the premise of light weight. The frame mainly comprises a left longitudinal beam, a right longitudinal beam, a front hydraulic supporting leg, a cross beam, a front jack beam hydraulic supporting leg, a front jack beam, a middle mechanical supporting leg, a lifting cylinder beam, a lifting cylinder beam hydraulic supporting leg, a rear jack beam, a rear mechanical supporting leg and a rear jack beam hydraulic supporting leg.

The application discloses a kind of wheel and vehicle, it is related to vehicle technical field.Wheel includes wheel rim, rotating support component, tire and transmission gear;Tire is set to the outer circle surface of wheel rim, rotating support component is slidably connected to the inner circle surface of wheel rim, rotating support component is connected with vehicle body, rotating support component includes frame and multiple pulleys, multiple pulleys are connected to frame and are slidably connected with the inner circle surface of wheel rim, the inner circle surface of wheel rim is provided with gear ring along the circumferential direction of wheel rim, transmission gear is engaged with gear ring transmission, and transmission gear is connected with the output end of driving structure, to drive wheel rim rotation, since transmission gear is engaged with the gear ring of the inner circle surface of wheel rim transmission, so that transmission gear can be set in the upper area of wheel, to ensure that the output end of driving structure is located in the upper area of wheel, to improve the off-the-ground height of the output end of driving structure, while guaranteeing vehicle structure cost and vehicle weight, the passing performance of vehicle can be improved.

The present disclosure relates to a side step mounting structure and a vehicle, the side step mounting structure comprising a bracket connected to the inner side of a rocker beam of the vehicle; wherein the vehicle comprises a side step mechanism, a first part of a mounting seat of the side step mechanism being connected to the rocker beam, and a second part of the mounting seat of the side step mechanism being connected to the bracket. Through the above structure design, the present disclosure provides another connection position for the mounting seat besides the rocker beam by the bracket, improves the mounting strength and stability of the side step mechanism, and does not increase the requirement for the inner side width of the rocker beam, thereby being suitable for the design of moving the door frame stopper inward, and providing greater space for the vehicle exterior modeling design. Meanwhile, due to the lower requirement for the inner side width of the rocker beam, greater freedom can be provided for the production design and after-sales maintenance of the rocker peripheral area, which is beneficial to optimizing the production process and maintenance convenience of the vehicle.

The utility model discloses a desert nursery stock transport vehicle based on hydraulic self -adaptation chassis, including self -adaptation chassis, car, guide rail frame, snatch mechanical arm and radar etc. Self -adaptation chassis is equipped with the walking wheel of independent height adjustable and independent steering system, can adapt to the complex desert topography, car is used for loading nursery stock, guide rail frame and snatch mechanical arm realize the automation nursery stock snatch, and radar provides accurate positioning. The utility model solves the problem that the traditional transport vehicle is poor in desert environment, and the positioning is not accurate, and the operation efficiency is low, and has the advantages of strong topographic adaptability, accurate positioning, high degree of automation operation, good nursery stock protection, especially suitable for the nursery stock transport operation in desert greening engineering.

The utility model discloses a kind of lifting devices of road maintenance vehicle front water spray frame, comprising: two guide shafts are arranged on front water spray frame mounting bracket left and right parallelly;Transition lifting frame and main lifting frame left and right ends are slidably connected two guide shafts respectively, to make transition lifting frame and main lifting frame can move up and down along guide shaft;Front electric push rod and rear electric push rod are respectively arranged in transition lifting frame front and back side, transition lifting frame moves up and down by the telescopic of front electric push rod, and the spray pole spray frame assembly connected with main lifting frame moves up and down by the initiative and / or passive of rear electric push rod. The utility model carries out two section structure lifting to road maintenance vehicle front water spray frame, under the action of two lifting power sources, improve the ground clearance of maintenance vehicle front water spray frame under non-operation condition, and enough to improve lifting speed.

The utility model discloses a device for pneumatically controlling a rear support of a wrecker, and relates to the technical field. The device comprises an upper sleeve shell and a fixed plate, a rotating shaft is fixedly connected to the position, close to the top end, in the upper sleeve shell, the rotating shaft is rotationally connected to the interior of the fixing plate, a lower sleeve shell is movably connected to the interior of the upper sleeve shell in a sleeved mode, a connecting pin is fixedly connected to the position, close to the bottom end, in the lower sleeve shell, an air cylinder is rotationally connected to the exterior of the rotating shaft, and the output end of the air cylinder is rotationally connected to the exterior of the connecting pin; a first sliding opening is formed in the side face of the upper sleeve shell, an anti-disengaging assembly used for preventing the air cylinder from suddenly retracting is arranged on the side face of the upper sleeve shell, and an angle adjusting assembly is arranged on the side, away from the upper sleeve shell, of the fixing plate. The lower sleeve shell is pushed out downwards along the upper sleeve shell through the air cylinder, so that the footstand is tightly pressed on the ground, the tail of the wrecker can be supported, the head of the wrecker is prevented from being warped when a bucket of the wrecker is turned upwards, and the stability of the wrecker is improved.

The present disclosure relates to a fork arm assembly of a forklift and the forklift. The fork arm assembly comprises a fork arm, at least one support wheel and a plurality of first guide wheels. The fork arm is supported on the ground by the at least one support wheel. The plurality of first guide wheels are rotatably mounted on the fork arm, spaced along the length direction of the fork arm and located at the front side of the at least one support wheel, each first guide wheel does not overlap with the at least one support wheel in the length direction of the fork arm. When the fork arm is supported on the ground by the at least one support wheel, the plurality of first guide wheels are suspended, and the ground clearance of the plurality of first guide wheels increases in sequence along the direction approaching the front end of the fork arm. When the forklift moves forward, the first guide wheel arranged at the most front end can more easily climb over the obstacle, and after the obstacle is climbed, the fork arm is supported and lifted, reducing the height that the remaining first guide wheels need to cross to climb over the obstacle. After the plurality of first guide wheels complete the obstacle climbing action in sequence, the at least one support wheel does not need to bear the weight, so the difficulty of the at least one support wheel climbing over the obstacle can be reduced.