1775results about "Castors" patented technology

The invention discloses a heat preservation box and processing equipment thereof, and belongs to the technical field of heat preservation boxes. The heat preservation box comprises a box body and a box cover, the box body is formed by wrapping a heat preservation layer with an inner shell and an outer shell, and the heat preservation layer is wrapped with a box cover shell. An aerogel groove and a vacuum plate groove which are overlapped are formed in the heat preservation layer and filled with aerogel particles and a vacuum heat insulation plate respectively, and the surface of the heat preservation layer is sprayed with a nanometer aerogel coating and provided with a reflecting film. The box body is connected with the box cover through a supporting hinge, and is provided with a supporting piece, a roller, a limiting sinking groove, a flow guide channel and a residual volume space measuring system. The processing equipment comprises a bracket, a rotary power source, a rotary platform, a vibration unit and a filling device, and can realize uniform filling and compaction of aerogel particles. The problems that a traditional heat preservation box is poor in heat preservation performance, pressure is accumulated, and transportation is inconvenient are solved, and the heat preservation box is suitable for cold-chain transportation and other scenes.

Provided are a vehicle control method, a multi-purpose vehicle, and a garden work vehicle. The multi-purpose vehicle includes a drive mechanism, a control mechanism, and an auxiliary control mechanism. The auxiliary control mechanism includes: a control state sensing component, configured to determine a control state of a user with respect to the control mechanism; a traveling state sensing component, configured to determine the traveling state of the multi-purpose vehicle, the traveling state including a straight-line traveling state and a non-straight-line traveling state; and a calibration controller component, configured to determine that the multi-purpose vehicle is traveling abnormally in response to a mismatch between the traveling state and the control state. The calibration controller component is further configured to adjust, in response to determining that the multi-purpose vehicle is traveling abnormally, the operating state of the drive mechanism to match the traveling state with the control state.

An omni wheel including a hub and a roller assembly. The hub includes a disk assembly. The roller assembly includes a plurality of rollers. The plurality of rollers are disposed on the disk assembly. The plurality of rollers each comprise a wider portion and a narrower portion connected to a side of the wider portion so that a step is formed between the wider portion and the narrower portion.

A caster assembly that includes a caster wheel, a lock member, a pedal, and a position sensor. The lock member can engage the caster wheel. Movement of the pedal towards a depressed position can cause engagement of the lock member against the caster wheel to resist or prevent rotation of the caster wheel. Movement of the pedal towards a released position can separate the lock member from the caster wheel to permit rotation of the caster wheel. The position sensor can detect a position of the pedal.

A mobile vehicle includes: a vehicle body unit; a plurality of vehicle wheel parts; a first driving part configured to be connected to the vehicle wheel parts, and be able to rotate the vehicle wheel parts around a first rotation axis as its rotation center in a first rotation direction; a second driving part configured to connect the vehicle body unit and the first driving part, and be able to rotate the vehicle wheel parts and the first driving part around a second rotation axis as its rotation center in a second rotation direction; and a control unit configured to be disposed in the vehicle body unit and be able to control the first driving part and the second driving part. The vehicle wheel part includes a plurality of sub-vehicle wheel parts that are able to rotate in a third rotation direction different from the first rotation direction.

A wheel assembly for use with a trailer jack includes an outer shell defining a main volume. The wheel assembly may further include a main ball configured to be at least partially contained within the main volume of the outer shell and to contact a ground surface. The wheel assembly may further include a bearing coupled between the main ball and the outer shell and configured to allow motion of the main ball relative to the outer shell. The wheel assembly may further include a coupler configured to couple the outer shell to a shaft of a trailer jack. The wheel assembly may further include a lock configured to retain the main ball in place relative to the outer shell.

The utility model discloses a high-adaptability walking mechanism of a wheel-foot type robot, which relates to the technical field of mobile robots and comprises a base mechanism, a transmission mechanism is arranged on the top surface of the base mechanism, a connecting rod mechanism is arranged on the side surface of the base mechanism, and a damping mechanism is arranged at the bottom end of the connecting rod mechanism. The seat mechanism, the transmission mechanism and the connecting rod mechanism are arranged and matched with one another, so that the device can easily cross an uneven road surface, a transmission motor only needs to be started, an output shaft of the transmission motor drives a second transmission wheel to rotate, and then a transmission belt in transmission connection with the outer wall of the second transmission wheel is driven; and then a first transmission wheel in transmission connection with a transmission belt rotates, then a rotating rod fixedly connected with the first transmission wheel rotates, then a small sliding block on the inner wall of a first connecting rod slides in a sliding groove formed in the inner wall of the sliding block, meanwhile, the sliding block is driven to slide in the sliding groove, and then the whole device can move on the uneven road surface.

The invention relates to the technical field of hub bearings, in particular to a hub bearing. The hub bearing comprises an outer ring unit, an inner ring unit, a rolling body, a first dynamic sealing unit and a second dynamic sealing unit. The outer ring unit comprises an outer ring main body and a threaded connection part; the inner ring unit comprises a first inner ring and a second inner ring; the first inner ring comprises an inner ring main body and a flange; the flange and one axial end of the inner ring main body are integrally formed; the inner ring main body and the second inner ring are positioned in the outer ring main body; the end face, facing the flange, of the outer ring body is a first collision face. The end face, facing the outer ring body, of the flange is a second collision face. A movable gap is formed between the first collision surface and the second collision surface; when the axial acceleration of the inner ring unit is 0, the movable clearance is 0.3-0.5 mm; the movable gap is gradually reduced in the direction away from the axis of the hub bearing. Therefore, the problems that the rolling body is subjected to impact loading force for a long time, so that the raceway is subjected to dent deformation, and abnormal sound is generated are solved.

A caster having a spring feature configured to compress along the stem of the caster when subject to load. The spring achieves maximum compression when subjected to a maximum specified load value. One or more casters may be used in tandem with a jackstand apparatus. When the jackstand is presented without any additional force, the combined spring force of all casters utilized is sufficient to support the weight of the jackstand without achieving maximum compression. When subject to a sufficiently large additional force, each of the springs will achieve maximum compression, and the jackstand apparatus will interact with the supporting terrain directly, resulting a direct transfer of additional load to the terrain through the jackstand apparatus. Some embodiments may comprise a distinct jackstand and cart configuration. Some embodiments may comprise an integrated configuration.

A wheel suspension for a vehicle includes: - a guide tube (10) that can be mounted on or is mounted on a vehicle chassis in an operating position or is permanently connected to or belonging to a vehicle chassis and assumes the operating position, which in its operating position has a guide tube axis extending vertically or inclined relative to a vertical direction according to a nominal guide tube angle with respect to a vehicle standing on a horizontal flat surface; - a wheel fork (3) having two fork legs (4), which is mounted on the vehicle chassis at least at one bearing area at least by means of the guide tube (10) in its operating position; - Bearing devices at free end areas of the fork legs for the rotary bearing of a wheel (2) between them. It is proposed that the wheel fork (3) is or can be mounted in a relatively movable manner radially outside on the guide tube (10) by means of its bearing area (5, 6).

A wheeled childcare device includes: a body frame; a caster mechanism including a caster holding member and a caster pivot member and configured to allow a front wheel or a rear wheel to swivel; a caster lock member configured to assume a lock position and an unlock position; a first biasing member configured to bias the caster lock member toward the lock position; and a moving member provided in the caster holding member and movable between a first position and a second position. The first position is a position in which the caster lock member is moved to the lock position, and the second position is a position in which the caster lock member is moved to the unlock position.

A walking vehicle including a chassis and a plurality of wheel-leg components is described. The plurality of wheel-leg components are collectively operable to provide wheeled locomotion and walking locomotion.

A load handling device is disclosed for lifting and moving containers stacked in a storage system having a grid structure. The load handling device includes a container receiving space; a lifting mechanism arranged to lift a container; a vehicle body; a wheel assembly arranged to support the vehicle body, the wheel assembly having a first set of wheels and a second set of wheels; and a drive mechanism for selectively driving rotation of the first set of wheels and the second set of wheels. Each wheel includes a wheel positioning mechanism configured to rotate the wheel about a respective second axis of rotation to selectively lower or raise the first set of wheels or the second set of wheels to selectively engage or disengage the first set of wheels with a first set of grid members or the second set of wheels with a second set of grid members.

A wheel suspension for a vehicle comprises: - a guide tube (10) which assumes an operating position and, in the operating position, can be mounted or is mounted on a vehicle chassis or is fixedly connected thereto or is part thereof and which has, in the operating position on or as part of the vehicle chassis with respect to a vehicle standing on a level horizontal underlying surface, a guide tube axis extending vertically or at an incline with respect to a vertical direction in accordance with a target guide tube angle; - a wheel fork (3) which has two fork blades (4) and is mounted on the vehicle chassis in at least one mounting region at least by means of the guide tube (10) in the operating position thereof; and - mounting devices, at free end regions of the fork blades, for rotatably mounting a running wheel (2) between the fork blades. According to the invention, the wheel fork (3) is relatively movably mounted or can be relatively movably mounted radially outside on the guide tube (10) by means of the mounting region (5, 6) of the wheel fork.

A robotics corner module includes a steering drive unit, a traction drive unit, and an intermediate assembly. The steering drive unit includes an output shaft configured to be rotationally driven about an output shaft axis. The traction drive unit includes a wheel configured to be rotationally driven about a wheel hub axis. The intermediate assembly extends between the steering drive unit and the traction drive unit and includes a support structure and a cooling system. The support structure is operably coupled to the output shaft and the traction drive unit, such that rotation of the output shaft about the output shaft axis drives rotation of the intermediate assembly and the traction drive unit about the output shaft axis. The cooling system includes a radiator mounted to the support structure and a fan mounted to the support structure and configured to deliver air to the radiator.

A stroller handlebar actuator is provided. The handlebar actuator is provided at a handlebar of the stroller and includes cables that are attached to the handlebar actuator at one end and rear wheels of the stroller at another end. The handlebar actuator includes a protruding tab that a user to able to press using one or both thumbs without needing to remove their hands from the outer ends of the handlebar. By pressing the tab, a rotational force is exerted on the handlebar actuator, causing the handlebar actuator to rotate relative to the handlebar. This rotation causes the cables to pull inwards towards the handlebar actuator, thereby unlocking mechanisms provided at the rear wheels. The unlocking of the mechanisms causes the rear wheels to be able to freely rotate about a vertical axis. When the force is removed from the handlebar actuator, the handlebar actuator rotates back to its natural resting position and the cables return back to their original positions, locking the rear wheels.

An apparatus, system and method capable of providing a stabilizing drive system for a robotic vehicle. The apparatus, system and method may include at least a robot body base; at least two drive wheels within the robot body base; a processing system having non-transitory computing code associated therewith which, when executed by the processing system, causes to be driven the at least two drive wheels; and a plurality of ball casters within the robot body base, wherein the ball caster are positioned relative to the robot base and to the at least two drive wheels so as to lower a center of gravity of the robot and provide stabilization of the driving.

A lift device includes a base, a mast assembly including a first mast section coupled to the base and a second mast section configured to move vertically relative to the first mast section, a platform assembly pivotally coupled to the second mast section, a guardrail assembly, a pivot assembly pivotally coupling the guardrail assembly to the second mast section, and a link arm pivotally coupled between the pivot assembly and the platform assembly, wherein the link arm links pivotal movement of the platform assembly to pivotal movement of the guardrail assembly so that the platform assembly and the guardrail assembly simultaneously pivot between a working position and a folded position.

The invention relates to a wheel bearing arrangement, comprising a hub (10), a wheel bearing (20) arranged on the hub (10), a wheel carrier (30) to which the wheel bearing (20) is fixed by means of a wheel bearing outer ring (21), comprising a synchronous universal joint (40) which is axially clamped to the hub (10) by means of a planar tooth meshing device, and comprising a sealing ring (50) which surrounds and seals the planar tooth meshing device on the radially outer side. A sealing ring is pre-assembled on the constant velocity joint and engages with the hub outside the force flow of the wheel bearing in the assembled state of the wheel bearing arrangement, the sealing ring providing a contactless pre-seal for the wheel bearing while interacting with the wheel carrier.

The invention relates to the technical field of hub bearings, in particular to a hub bearing with a variable-curvature raceway. The invention discloses a wheel hub bearing with a variable-curvature raceway. The wheel hub bearing comprises an outer ring unit, an inner ring unit and a plurality of balls, the outer ring unit comprises a bearing outer ring; an outer ring inner side channel and an outer ring outer side channel are formed in the bearing outer ring; the inner ring unit comprises an inner ring flange and a matched inner ring; the inner ring flange is provided with a flange plate channel; the matching inner ring is provided with an inner ring channel; one part of the balls are positioned between the inner ring channel and the inner side channel of the outer ring, and the other part of the balls are positioned between the flange plate channel and the outer side channel of the outer ring; wherein the axis of the bearing outer ring is located in the reference section; in the reference cross section, the outer ring inner side channel is provided with a first cross section line; the first section line comprises a first curve and a second curve; the curvature radius of the first curve is greater than that of the second curve; therefore, the problem of how to consider the friction torque and the axial bearing capacity to prolong the service life of the hub bearing is solved.

Grill carts including modular base assemblies are disclosed. An example base assembly for a cart of a grill includes a base and a base attachment. The base includes a groove. The base attachment is removably couplable to the base. The base attachment includes a tongue configured to be located within the groove of the base when the base attachment is coupled to the base.

The invention relates to a wheel bearing (1) for a motor vehicle, comprising a bearing element (2) having a raceway (4a, 4b) accommodating several rolling elements (3), wherein the raceway (4a, 4b) deviates at least in sections from a circular line of constant diameter.

The luggage comprises a luggage body, wheel bodies are arranged at the bottom end of the luggage body, a plurality of groups of wheel bodies are arranged, mounting mechanisms are arranged between the wheel bodies and the luggage body, and each mounting mechanism comprises a connecting block, an inserting rod, a fixing sleeve, a sliding rod, a sliding block, a connecting plate, a contraction spring, a clamping block and a clamping groove. A dismounting mechanism is arranged on the outer wall of the fixing sleeve, the dismounting mechanism comprises a sliding sleeve, multiple sets of inclined grooves, a receding groove, a connecting sleeve, a positioning block, a limiting groove and a locking mechanism, the sliding sleeve slides on the outer wall of the fixing sleeve, and the multiple sets of inclined grooves are distributed in the outer wall of the sliding sleeve; the mounting mechanism realizes rapid and stable connection between the luggage wheel and the luggage body through the synergistic effect of a connecting block, an inserting rod, a fixing sleeve, a sliding rod, a sliding block, a connecting plate, a contraction spring, a clamping block and a clamping groove, and the dismounting mechanism realizes convenient dismounting of the luggage wheel through the ingenious design of a sliding sleeve, an inclined groove, a receding groove, a connecting sleeve, a positioning block, a limiting groove and a locking mechanism.

The utility model provides an offshore single pile construction measuring device, which belongs to the technical field of measuring devices and comprises a connecting disc, a mounting disc arranged above the connecting disc, a rotating disc arranged above the mounting disc, a total station detachably connected to the rotating disc, a plurality of groups of supporting rods rotatably connected to the peripheral side of the connecting disc, and telescopic rods slidably connected to the interiors of the plurality of groups of supporting rods. Adjusting assemblies are arranged on one sides of the multiple sets of supporting rods, a rotating assembly is arranged in the mounting disc, protection assemblies are arranged on the two sides of the total station, through the arrangement of the adjusting assemblies, a user can fold or unfold the supporting rods, the portability of the device is improved, after the supporting rods are unfolded, the user can provide shielding protection for the total station through the protection assemblies, and the user can conveniently use the total station. According to the total station, by arranging the rotating assembly, a user can reduce external collision and erosion to the total station, the protection performance of the device is improved, by arranging the rotating assembly, the user can control rotation of the rotating disc, and the reliability of angle adjustment of the device is improved.

A method includes mounting an assembled wheel hub assembly on a spindle, spraying a zinc flake coating material onto first surfaces of the assembly while rotating the wheel hub assembly, the spraying occurring while shielding second surfaces of the wheel hub assembly with a shield on the spindle and shielding third surfaces of the wheel hub assembly using a shielding tape. After creating the layer of zinc flake coating material on the first surfaces, heating the layer of zinc flake coating material using at least one infrared (IR) lamp to cure the layer of zinc flake coating material, the heating occurring while rotating the wheel hub assembly.

The invention discloses a walking mechanism of a road marking machine. The driving wheel is arranged on the front portion of the chassis, the transmission mechanism is used for driving the driving wheel to rotate, the installation frame is installed on the rear portion of the chassis through a vertical rotating shaft, the universal wheel is arranged on the installation frame, and the limiting mechanism is used for limiting rotation of the universal wheel. The limiting mechanism comprises a limiting groove formed in the mounting frame and a limiting pin arranged above the limiting groove, and the top of the limiting pin is connected with a shifting rod. An adjusting plate with an adjusting face with the height continuously changing at the top is fixed to the chassis, and the shifting rod is erected on the adjusting face and can drive the limiting pin to move up and down through interaction with the adjusting face so as to be clamped into or leave the limiting groove. The device has the advantages that the limiting pins are driven to ascend and descend through the action relation between the shifting rods and the adjusting faces, the universal wheels are mechanically limited in the mode that the limiting pins are clamped into the limiting grooves, therefore, linear walking of the marking machine is achieved, the structure is simple, switching is flexible and convenient, and the maintenance cost is low.

The invention discloses an active management and control system and method for a temporary operation site. The system comprises a mobile bearing unit and a portable box body with a roller structure, the portable box body is internally provided with a modular storage cabin body, and the modular storage cabin body at least bears a man-machine interaction unit, a computing power supporting unit, an environment sensing unit, a safety management unit, a communication unit, a power management unit and a mobile inspection unit; the computing power supporting unit is used for carrying out frame extraction on the received image video data, acquiring operators in each frame of image, extracting a set number of key point coordinates from a set object, carrying out space-time diagram construction based on the key point coordinates, carrying out space diagram convolution so as to recognize actions of the operators, carrying out logic judgment on the recognized actions and outputting a result; and determining whether the operation is a violation operation.

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.

The utility model discloses an adjustable curb installation tool for road construction, and relates to the technical field of curb installation. The side edge of the bottom plate is provided with a moving mechanism convenient to move; the top of the bottom plate is fixedly provided with an L-shaped column; one end, far away from the bottom plate, of the L-shaped column is fixedly provided with a lifting hook; the lifting hook is provided with a hanging mechanism; the sliding rod is provided with a limiting mechanism for limiting sliding of the sliding rod, connecting plates are hinged to the two ends of the bottom of the triangular frame, a connecting mechanism is arranged between the two connecting plates, and clamping plates used for clamping curbs are fixed to the ends, away from the triangular frame, of the connecting plates. Through the moving mechanism on the side edge of the bottom plate, a user can easily move among different working places, so that the working efficiency is greatly improved, manual lifting or dragging is avoided, the physical output of operators is reduced, and the working efficiency is improved.

The utility model relates to the field of universal wheels, and discloses an all-plastic support universal household wheel which comprises a rotating column and a shell, a mounting mechanism is arranged at the upper end of the rotating column, cleaning mechanisms are arranged on the two sides of the shell, the mounting mechanism comprises a mounting plate, the upper end of the rotating column is rotationally connected with a connecting plate, and the connecting plate is connected with a rotating shaft. Cavities are formed in the four corners of the lower end of the connecting plate, threaded rods are rotationally connected to the inner top faces of the multiple cavities correspondingly, the outer walls of the multiple threaded rods are sleeved with threaded sleeves correspondingly, connecting rods are fixedly connected to the two sides of the upper ends of the multiple threaded sleeves correspondingly, and protruding blocks are fixedly connected to the upper ends of the adjacent connecting rods correspondingly. According to the wheel cleaning brush, after the mounting plate is fixed to the bottom of a house, the threaded rod and the threaded sleeve are rotated to drive the connecting rod so that the protruding block and the mounting plate can be clamped, reverse operation can be carried out when mounting and dismounting are completed, stains and chippings can be easily removed through the brush when the wheel is cleaned, and only the magnetic attraction block and the connecting block need to be separated without tools when the brush is replaced.