808results about "Axle units" patented technology

The invention discloses a transverse fixed axle assembly capable of achieving Ackerman steering through mechanical linkage, and belongs to the technical field of engineering vehicle chassis. A rear axle is transversely and rigidly fixed to a frame through a shear-resistant box girder structure, and a front axle is connected to the frame through two springs; the rotating pair structures are symmetrically arranged at the two ends of the axle main body and comprise embedded heavy-duty bearings; one end of the steering knuckle arm is hinged to the axle main body through a rotating pair structure, and the other end is connected with the steering pull rod; one end, far away from the rotating pair structure, of the steering pull rod is connected with the steering oil cylinder; the steering pull rod of the front axle and the steering pull rod of the rear axle are crossed and hinged in an X shape, so that intersection points of axes of the front and rear wheels converge at an instantaneous steering center during steering. Abrasion and slipping of tires can be reduced, steering precision is ensured through a pure mechanical structure, the failure risk of an electric control system is avoided, and the system is suitable for heavy equipment such as mining trucks and port cranes.

The invention discloses a large equipment reversing transfer device and method, and relates to the field of transfer devices.The large equipment reversing transfer device comprises a transfer flatcar, a saddle is installed on the bottom side of the transfer flatcar, wheel supporting arms are installed at the four corners of the saddle, and wheels are rotationally installed on the wheel supporting arms; the device further comprises an advancing detection device, and the advancing detection device is installed on one side of the transfer flatcar. It needs to be explained that when the transfer flatcar advances, obstacles are detected through reciprocating movement of a transverse moving sliding rod, a starting switch is triggered when the obstacles or an obstacle road surface is detected, so that an obstacle avoidance pull-out frame drives wheels to move outwards, and when the obstacles are detected, front and rear wheels are actively and synchronously pushed outwards to enlarge the wheel distance; wheels directly pass through the two sides of an obstacle, the trafficability, safety and efficiency of the flatcar on complex and unknown road surfaces are remarkably improved, and parking, bumping, equipment damage and even accidents caused by the obstacle are reduced.

An on-board electronics system of an aerial work platform moves the wheels between a retracted and extended position by pivoting a respective arm. The method comprises the following successive steps: a) orienting each wheel tangentially to the pivoting path of the corresponding arm, b) moving the wheel by pivotally actuating the corresponding arm, and c) reorienting the wheel so as to enable another translation of the aerial work platform. The steps are performed in different orders between the wheels so that at any time at least one of the following conditions is complied with: —the brake system of at least one wheel is active, —at least one wheel is rotated by a motorised drive, —the orientation of the wheels relative to one another prevents any translation of the aerial work platform (1) on the ground as a result of gravitational force.

The invention discloses a gearbox for an electric drive axle. Comprising a main motor, an input shaft, an intermediate shaft, an output shaft, a gear shifting mechanism, a planetary gear mechanism, a fixed tooth holder, a first power transmission mechanism used for transmitting power from the main motor to the input shaft, and a second power transmission mechanism used for transmitting power from the input shaft to the intermediate shaft and the output shaft. The planetary gear mechanism comprises a sun gear connected with the intermediate shaft, a planet carrier assembly connected with the differential mechanism assembly, a planet gear arranged on the planet carrier assembly and meshed with the sun gear, and a gear ring assembly meshed with the planet gear. The gear shifting mechanism is arranged to be matched with the fixed tooth holder, the planet carrier assembly and the gear ring assembly, and the planet gear mechanism is controlled to be switched among the neutral gear state, the first gear state and the second gear state. According to the gearbox for the electric drive axle, the planetary gear mechanism capable of being switched to the neutral gear state is arranged, and mechanical disconnection of the tail end of a transmission chain during parking power take-off of the electric drive axle and cruising and trailer can be achieved. The invention further discloses an electric drive axle and an automobile.

The invention discloses a drive-by-wire chassis device and a vehicle. A drive-by-wire chassis comprises a driving assembly and a suspension assembly, and the driving assembly comprises a driving motor; the input end of the multi-stage transmission system is connected with the output end of the driving motor, and the multi-stage transmission system is used for transmitting power to the wheel end and achieving switching of at least two speed ratios; the integrated axle housing is provided with an accommodating cavity for accommodating the multi-stage transmission system; the integrated axle housing comprises a plurality of mounting surfaces with different surfaces, and the mounting surfaces are used for being connected with different functional parts and suspension assemblies in the multi-stage transmission system correspondingly. And the running and parking integrated brake is arranged in the integrated axle housing, is integrated on a power transmission path of the multi-stage transmission system, and provides parking and running braking functions for wheels. According to the scheme, at least two speed ratios are switched through the multi-stage transmission system, and the multi-working-condition requirements of adaptive heavy-load starting, high-speed cruising and the like are met. In addition, according to the scheme of the invention, a plurality of different mounting surfaces are processed on the integrated axle housing, so that higher structural integration level and bearing reliability are realized.

A steering drive for a steering axle of a steerable vehicle includes an electric motor with a motor shaft. A steering lever is rotatable about a pivot axis that is parallel to the electric motor. First and second planetary stages each have a sun gear, planet gears, and a planet carrier. The steering drive is configured such that a force flow runs from the first sun gear via the first planet gears to the first planet carrier. The force flow furthermore runs via the second sun gear and via the second planet gears to the second planet carrier, and furthermore runs to the steering lever. The steering drive has a spur gear stage and is configured such that a force flow from the motor shaft to the first sun gear runs via the spur gear stage. Also disclosed is a steering axle and an industrial truck.

The invention discloses a drive-by-wire chassis device and a vehicle, the drive-by-wire chassis device comprises a driving assembly and a suspension assembly, the suspension assembly comprises a supporting arm, and the supporting arm comprises a first supporting part and a second supporting part; a mounting table is arranged on the upper surface of the second supporting part; the swinging arm comprises an annular piece and a rotary connecting part arranged at the end part of the annular piece; the peripheral wall of the annular piece is hinged to the first supporting arm through a hinge structure, and the rotary connecting part is connected with an integrated axle housing on the driving assembly; the lifting mechanism is configured to be capable of actively adjusting the length of the lifting mechanism so as to change the position of the swing arm relative to the supporting arm. According to the scheme, the annular piece and the rotation connecting part are arranged on the swing arm, so that the effect of separating the force bearing point of the suspension from the rotation driving function is achieved. In addition, according to the scheme, the lifting mechanism capable of actively adjusting the length is connected between the supporting arm and the swing arm, and the effect of actively controlling the ground clearance of the chassis and the posture of the vehicle body in real time is achieved.

The present invention relates to a wheel assembly comprising a rim mounting seat (1) and a drive shaft (2) connected coaxially, a support (3) having a first mounting hole, a bearing (4), a first and a second sealing element (5, 6), at least a portion of the drive shaft and the rim mounting seat being disposed in the first mounting hole; the first and second sealing elements and the bearing are disposed successively along an axial direction of the drive shaft, and the first sealing element and the bearing are press-fitted between an outer peripheral surface of the rim mounting seat and an inner wall surface of the first mounting hole, and the second sealing element is press-fitted between an outer peripheral surface of the drive shaft and the inner wall surface of the first mounting hole. Abbreviated figure: Figure 1

The novel double-bearing receiving cup comprises a hub, a steering cup, a receiving cup body, a dog bone and crown teeth, bearing bodies are arranged on the front face and the back face of the steering cup, and inner rings of the two bearing bodies are in interference fit with the outer wall of the receiving cup body. The outer rings of the two bearing bodies are in interference fit with bearing mounting holes in the front face and the back face of the steering cup respectively. The bearing bodies are arranged on the two sides of the steering cup, the radial shaking amount of the hub is lower than that of a single bearing through symmetrical supporting of the double bearings and supporting of the double bearings, the running smoothness of a vehicle can be improved, the coaxial design of the double bearings and the cup connecting bodies is utilized, the small chassis space of a miniature four-wheel drive of 1: 43 and the like is matched, and the steering cup connecting structure is simple in structure and convenient to use. The axial size does not need to be additionally increased during bearing installation, the dog bone is connected with the crown tooth and the clamping groove of the connecting cup body, rigid supporting of the double bearings is matched, continuous power transmission during swing arm vibration is guaranteed, and transmission reliability is improved.

There is provided a robotic vehicle (100) for operating in a confined space, such as under a floor of a building, for example a house. The robotic vehicle (100) comprises a chassis (102) having a front (F) and a rear (R) defining a longitudinal direction extending between the front (F) and the rear (R), the robotic vehicle (100) for movement in the longitudinal direction. The robotic vehicle (100) further comprises a plurality of first parts (116a, 116b, 16c, 116d) for a respective plurality of release mechanisms (166), the first parts (116a, 16b, 116c, 116d) each connected to the chassis (102) and each release mechanism (166) for securing a respective wheel (160a, 160b, 160c, 160d) to the chassis (102). Each first part (116a, 116b, 116c, 116d) provides a mounting point for the respective wheel 10 (160a, 160b, 160c, 160d) away from the front (F) or the rear (R) of the chassis (102).Each release mechanism (160) is operable by an operator to release the respective wheel (160a, 160b, 160c, 160d) from the chassis (102) for separate removal of the wheels (160a, 60b, 160c, 160d) and the robotic vehicle (100) from the confined space.

A drive line component for a vehicle includes a half shaft including a housing having an axially outwardly facing surface, a wheel hub assembly including a wheel bearing having an axially inwardly facing surface, and a ring extending about the housing. The ring including a radially inwardly projecting flange portion arranged between the axially outwardly facing surface of the half shaft housing and the axially inwardly facing surface of the wheel bearing, a radially outwardly projecting flange portion, and a transition region extending between the radially inwardly projecting flange portion and the radially outwardly projecting flange portion. The transition region includes a first portion extending axially inwardly from the radially inwardly projecting flange portion, a second portion extending at an angle toward the radially outwardly projecting flange portion, and a third portion including a transition between the first portion and the second portion. The transition having a sharp edge.

A hybrid electric vehicle drive axle assembly relates to the field of vehicle drive axles and comprises an engine, a motor and a main speed reducer, the main speed reducer is provided with a main speed reducing mechanism and a differential mechanism which are in transmission connection, and half shafts connected to wheels are arranged on the two sides of the differential mechanism. The main speed reducing mechanism is provided with a first input shaft in transmission connection with an engine and a second input shaft in transmission connection with a motor, the first input shaft and the second input shaft are symmetrically arranged on the two sides of the main speed reducing mechanism, and the arrangement direction of the first input shaft and the arrangement direction of the second input shaft are perpendicular to the half shaft. The engine and the motor are oppositely arranged on the two sides of the main speed reducer, the engine and the motor are connected in parallel through the main speed reducing mechanism, power of the engine and the motor is converged and superposed through the main speed reducing mechanism and then evenly transmitted to the differential mechanism, and therefore the requirement for the bearing capacity of the differential mechanism is lowered; and therefore, the cost and difficulty for transforming a fuel automobile into a hybrid electric vehicle are reduced.

An on-board electronics system of an aerial work platform moves the wheels (2, 3) between a retracted and extended position by pivoting a respective arm (4, 5). The method comprises the following successive steps: a) orienting each wheel tangentially to the pivoting path of the corresponding arm, b) moving the wheel by pivotally actuating the corresponding arm, and c) reorienting the wheel so as to enable another translation of the aerial work platform. The steps are performed in different orders between the wheels (2, 3) so that at any time at least one of the following conditions is complied with: - the brake system of at least one wheel (2, 3) is active, - at least one wheel (2, 3) is rotated by a motorised drive, - the orientation of the wheels (2, 3) relative to one another prevents any translation of the aerial work platform (1) on the ground as a result of gravitational force.

The utility model discloses a centralized electric drive bridge and vehicle, wherein, the centralized electric drive bridge includes axle, motor, first brake component and first speed reducer, and motor, first brake component and first speed reducer are integrated in the radial side of axle, and first brake component exports the braking force to axle through locking the input end or output end of first speed reducer, the utility model discloses the centralized electric drive bridge of the present application, by integrating motor, first brake component and first speed reducer in the radial side of axle, form compact power module, reduce the space occupation, through the input end or output end of locking first speed reducer of first brake component, compared with prior art, can significantly prolong the service life of motor, and, shorten the brake force transmission chain, improve the brake response time, can greatly improve the heavy load, heavy -duty vehicle ramp parking and emergency brake safety.

The present application relates to a kind of floating drive cover, comprising: bridge, with the fixed frame of carrier vehicle, bridge front end is equipped with the contact detection device with on state and off state;Drive cover, including front side, front side is equipped with trigger part corresponding to the contact detection device;Drive cover is connected between bridge by hinged arm, drive cover can be floating relative to the bridge, and when floating occurs, the contact state of the trigger part and the contact detection device changes.The present application also relates to a plate carrier with the above floating drive cover.The drive cover of the above scheme can trigger micro switch at any angle in the direction of vehicle advancement, and realize vehicle shutdown control.

The utility model provides a disconnected type vehicle frame and a mine truck, the disconnected type vehicle frame comprises a front vehicle frame and a rear vehicle frame, a slewing bearing is arranged between the front vehicle frame and the rear vehicle frame, the outer ring of the slewing bearing is fixedly connected to the rear end part of the front vehicle frame, and the inner ring of the slewing bearing is fixedly connected to the front end part of the rear vehicle frame; and the inner ring and the outer ring of the slewing bearing are rotationally connected. Compared with an existing integral frame vehicle, the front frame and the rear frame adopting the slewing bearing can rotate in a small range in the advancing direction, so that an axle can be in better contact with the ground, the driving force of the vehicle is increased, and the cross-country performance of the vehicle is improved; compared with an existing articulated truck that a power assembly and a transfer case are both installed on a front truck, the power assembly of the disconnected truck frame adopting the slewing bearing is installed on the front truck frame, the transfer case is installed on the rear truck frame, the size of a front overhang and a wheel base of the whole truck is small, the length of the whole truck is reduced, applicability is improved, and wide application and popularization prospects are achieved.

The utility model discloses a chassis system and a vehicle. The chassis system comprises an axle. The axle extends in the width direction of the vehicle, the two ends of the axle are suitable for installing wheel structures, at least part of the axle protrudes out of one side in the length direction of the vehicle to form an avoiding space, and the avoiding space is suitable for avoiding a power structure. One side, in the second direction, of the axle protrudes or sinks to form the avoiding space, the arrangement space needed by the power structure can be effectively avoided, sufficient space is provided for arrangement of other parts in a chassis system, the space utilization rate of the chassis system and a vehicle is effectively increased, meanwhile, collision between the axle and the power structure is avoided, and the service life of the vehicle is prolonged. The jumping space of the power structure in the third direction is increased, the service life of the axle and the power structure is prolonged, and the safety and reliability of a chassis system are improved.

The invention relates to an axle body (10), in particular for agricultural machinery (1), with a base body (13) and adjusting elements (14) arranged on both sides in the base body (13), which can be attached to the base body (13) in different positions to change the track width, wherein a cover plate (18) is arranged on the axle body (10), wherein the cover plate (18) partially covers the base body (13) and an adjusting element (14).

A transaxle includes a planetary gear reducer (40) and a differential device (80). The planetary gear reducer (40) includes a stepped pinion, a first needle bearing, a second needle bearing, and a carrier. The stepped pinion includes a pinion shaft with which a large diameter pinion and a small diameter pinion are integrated. The first needle bearing is fitted to a part of the pinion shaft outside the large diameter pinion. The second needle bearing is fitted to a part of the pinion shaft outside the small diameter pinion. The carrier is configured to support the stepped pinion via the first needle bearing and the second needle bearing such that the stepped pinion is rotatable with respect to the carrier, and to couple the stepped pinion and the differential device (80).

An electric traction axle / beam, e-axle / e-beam, for a vehicle comprising at least one electric machine, a pair of drive shafts each connected to a respective wheel of the vehicle and a transmission chain operatively connecting the electric machine to the pair of drive shafts,the transmission chain comprising a first transfer system, a second transfer system, and a differential unit operationally interposed in series between them,the drive shafts being coaxial to a longitudinal axis of the axle, the electric machine being subtended by a parallel and separate axis of the longitudinal axis.

The steering axle frame of the low-speed unmanned logistics vehicle comprises a front beam pipe, a steering frame, a connecting sleeve and the like, the connecting pipe is provided with a connecting section and a limiting section, the connecting section is inserted into the front beam pipe, and the limiting section abuts against the end of the front beam pipe; one end of the connecting joint is arranged on the connecting sleeve, and the other end is movably inserted into a steering groove of the bogie; the connecting rotating shaft is arranged on the connecting joint and is rotationally connected with the bogie; the positioning lock pin is arranged on the connecting joint and is inserted into the locking groove of the connecting rotating shaft so as to lock the connecting rotating shaft and the connecting joint; and the gasket is arranged between the connecting joint and the bogie so as to lock the axial position of the connecting joint. According to the steering axle frame, the connecting strength between the connecting joint and the front beam pipe is improved by additionally arranging the connecting sleeve, so that the connecting joint and the front beam pipe are not prone to breakage; axial positioning of the connecting rotating shaft is achieved through the positioning lock pin and the gasket, axial movement is avoided, and noise generated by axial movement is eliminated.

The utility model discloses a self-clamping half shaft shell, which comprises an upper shell and a lower shell, two sides of the surface of the lower shell are both fixedly connected with a first connecting block, a cavity is arranged in the first connecting block, two slots are arranged at the top of the first connecting block and at two sides of the cavity, and a sliding rod is arranged in the cavity. By arranging the sliding rod, the first connecting rod, the clamping block, the tensioning assembly and the like, during installation, the inserting block is installed in the inserting groove, the inserting block extrudes the clamping block towards the interior of the cavity, and when the clamping groove and the clamping block are matched in position, resilience force of the first spring drives the top plate and the connecting base to face upwards; the two first connecting rods can push the two clamping blocks towards the interiors of the two inserting grooves, the clamping blocks and the clamping grooves are connected in a matched and clamped mode, the poke rod is pushed upwards, the lock catch is arranged outside the lock nose in a sleeving mode, then the poke rod is poked downwards, the tensioning assembly can further tension and fix the upper shell and the lower shell, and compared with bolt fixing in the prior art, more convenience and rapidness are achieved.

The utility model discloses an adjustable rear axle structure based on an electric vehicle, and relates to the technical field of electric tricycles. Comprising an axle tube, the inner wall of the axle tube is rotatably connected with a transmission shaft, the outer wall of the transmission shaft is rotatably connected with a hollow tube, the outer wall of the fixed hub structure is rotatably connected with the inner wall of the hollow tube, and the outer wall of the fixed hub structure is slidably connected with a sliding hub structure. The outer wall of the hollow pipe is fixedly connected with a large spring mounting seat, the side, away from the large spring mounting seat, of the hollow pipe is slidably connected with a supporting arm mounting seat, the rear axle structure is matched with the fixing sleeve through the sliding sleeve, the length can be conveniently adjusted, different cargo carrying requirements are met, the rear axle is matched with a vehicle type, one axle has multiple purposes, and the universality of the vehicle is effectively improved; the production cost of enterprises is reduced, and diversified use scenes are adapted.

The utility model provides a kind of rear axle assembly structure of electric vehicle, including rear axle body, further include: energy-absorbing component, set in the top of rear axle body, including the first spring plate being set in the top of rear axle body, the second spring plate being set in the bottom surface of each first spring plate, the connecting buffer structure for absorbing and preventing vibration force transmission to the rear axle body is set in each second spring plate outside for vibration force absorption;Anti-collision component, set in the lower of rear axle body, for the protection of rear axle body. By the energy-absorbing component being set, part of the force of vibration can be converted into thrust, while being able to consume part of the force of vibration, further reduce the force transmitted to the rear axle body, so as to avoid the deformation of the rear axle body, by the anti-collision component being set, the lower of rear axle body can be shielded, so as to prevent the rear axle body from being damaged by collision when the vehicle is running.

The utility model relates to the technical field of tractors, and discloses a variable axle distance front axle connecting assembly and a front axle, comprising a front axle which is located at the front end of a tractor, two groups of connecting frames are symmetrically sleeved in the middle of the front axle, and the front axle is respectively and fixedly connected with a front axle seat and an oil pan through the two groups of connecting frames; the front axle seat is provided with a first screw hole, the oil pan is provided with a second screw hole, and the first screw hole and the second screw hole are fixedly connected with the two connecting frames through bolts respectively. The longitudinal position of the front axle relative to a tractor body can be conveniently changed by changing the mounting positions of the connecting frame on different screw hole groups on the front axle seat and the oil pan, so that the axle distance of the tractor can be adjusted, and the problems that the existing front axle is fixed and the axle distance cannot be changed are solved; therefore, the tractor can better meet the requirements of different scenes such as heavy-load operation such as deep ploughing / deep scarification and small-space flexible operation.

An axle assembly having an axle housing, a dam, and a fastener. The dam is disposed in the axle housing and retains lubricant in an arm portion of the axle housing. The fastener that extends from the axle housing and engages a dam mounting feature of the dam to secure the dam to the axle housing.

The utility model discloses a vehicle rear axle mechanism, which relates to the technical field of vehicle rear axles, and is characterized in that when a vehicle is positioned on a flat road, the distance between two cross beams is the maximum, and then a driving piece is used for enabling an abutting end to be close to a second cross beam until the abutting end abuts against one side, close to a first cross beam, of the second cross beam; the middle piece and the mounting plate limit the maximum distance between the two cross beams, the ejector rod abuts against the second cross beam, the minimum distance between the two cross beams is limited, and therefore the two cross beams are kept in the maximum distance state, the distance between the two cross beams is not changed, and a vehicle enters a stable mode. When the vehicle is on a bumpy or easily-slippery road surface, the driving part enables the abutting end to be far away from the second cross beam, the two cross beams can rotate relative to the middle part, and when the tires mounted on the mounting plate are bumpy or slippery, the two cross beams swing relatively, so that the bumpy degree of the vehicle is reduced, and the occurrence of the vehicle slipping condition is reduced; and the driving safety is improved.