186results about "Rail-engaging wheels" patented technology

A wheel includes a boss, a rim, and a web. The rim includes a tread and a flange. A center of the rim in the axial direction of the wheel is disposed closer to the flange in the axial direction than a center of the boss in the axial direction is. The web has a plate-thickness center line that has a linear shape when the wheel is viewed in its longitudinal section. When an angle that the plate-thickness center line forms with the axial direction is denoted by a, a distance in the axial direction from a side face of the rim to an outer end of the plate-thickness center line is denoted by Pw, a length of the rim in the axial direction is denoted by Wr, and Pw / Wr is denoted by L, the wheel satisfies the expression L≥0.0223α−1.363. Where, the angle α is 90° or less.

A grid framework structure includes a first set of parallel rails or tracks and a second set of parallel rails or tracks extending substantially perpendicularly to the first set of rails or tracks in a substantially horizontal plane to form a grid pattern. The grid is supported by a set of uprights to form a plurality of vertical storage locations beneath the grid for containers to be stacked between and be guided by the uprights in a vertical direction. A load handling device includes a body mounted on a first set of wheels and a second set of wheels arranged to engage with the tracks. A gripper assembly is provided for latching to a storage container via a deformable flexure mechanism movable between a locked configuration and a release configuration.

This invention discloses a spoked wheel and a rail transit vehicle, relating to the field of vehicle engineering technology. The spoked wheel includes a rim, a hub, and multiple spokes; the hub is located at the center radially of the rim; all spokes constitute a spoke assembly, with the inner radial end of each spoke fixed to the outer circumferential surface of the hub and the outer radial end fixed to the inner circumferential surface of the rim; on the inner circumferential surface of the rim, the connection area of ​​the spoke assembly is located at the center axially, and annular mounting grooves are respectively provided on both sides of the connection area axially, in which noise-reducing damping rings are installed. Because the rim provides mounting space for noise-reducing damping rings axially on both sides of the connection area with the spoke assembly, noise-reducing damping rings can be installed to reduce noise, thereby improving the noise reduction capability of the spoked wheel.

A wheel includes a boss, a rim, and a web. When viewed in a longitudinal section of the wheel, the boss includes a contour extending from the web to an end face in the axial direction of the boss. The contour includes curves. A first curve is continuous with the web. The first curve has a first radius of curvature. The second curve is arranged on the end face side in the axial direction of the boss relative to the first curve. The second curve has a second radius of curvature. The second radius of curvature is greater than the first radius of curvature. The path length of the second curve is greater than the path length of the first curve.

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.

The invention discloses a safety wheel for a rubber wheel metro vehicle bogie and a preparation method of the safety wheel. The wheel comprises the following chemical components in percentage by mass: 0.52%-0.60% of C, 0.30%-0.40% of Si, 0.70%-0.80% of Mn, less than or equal to 0.015% of P, less than 0.010% of S, 0.20%-0.30% of Cr, 0.05%-0.23% of Ni, 0.04%-0.06% of V, (60-80) * 10 <-4%) of N, less than or equal to 0.012% of Al, less than or equal to 0.005% of Ti and the balance of Fe and inevitable impurities. The composition proportion of N and Al is controlled by adjusting C and adding V, so that the volume fraction of the tread ferrite reaches 5-12%, and the volume fraction of the rim reaches 10-16%; meanwhile, the metallurgical quality is controlled, the proportion of plastic inclusions is larger than or equal to 90%, the proportion of the size below 10 micrometers is larger than 85%, and the wrapping rate is larger than or equal to 80%. And finally, the average value of the fracture toughness of the wheel is larger than or equal to 85 MPam1 / 2, the unit value is larger than or equal to 80 MPam1 / 2, the rolling contact fatigue resistance is remarkably improved, and the cracking risk of large-size inclusions is reduced.

The rail mobile lifting work platform rail clamp belongs to the lifting work platform technology, and the existing rail clamp is used for limiting the accidental movement of the equipment on the rail under the special conditions such as strong wind, and is not suitable for the rail clamping and stabilizing of the lifting work platform during movement. The threaded rod and the nut are matched through the transmission thread, the power machine lifts the nut through the threaded rod, the lifting of the nut is converted into the lifting of the clamping assembly and the approach or separation of the first rail clamp wheel and the second rail clamp wheel through the clamping assembly. When the first rail clamp wheel and the second rail clamp wheel approach each other to clamp the rail, the rail clamp wheel can roll along the rail, so that the lifting work platform is clamped and stabilized during movement.

The present application belongs to the field of railway tractor technology, and discloses a mobile railway vehicle with a monitoring weight transfer process, comprising: a vehicle body for towing a vehicle; a hook mechanism installed at the rear side of the vehicle body for connecting the vehicle body with the vehicle to be towed; a mobile device comprising wheels, elastic levers, a connecting assembly and a driving assembly, wherein the number of wheels is multiple, and the multiple wheels are symmetrically distributed on both sides of the vehicle body. When the weight of the towed vehicle is large, the wheels will still have a tendency to slip even if the hook mechanism completes the weight transfer. However, due to the presence of the elastic levers, the elastic levers protruding from the wheels will also contact the track or ground while the wheels contact the track or ground, forming additional friction and gripping force, thereby assisting the wheels to drive the vehicle forward, and thus realizing the towing operation.

The present invention provides a railway wheel in which the hub portion has excellent toughness. The railway wheel of the present disclosure includes a rim portion, a hub portion having a through-hole, and a plate portion. The chemical composition of the railway wheel is: C: 0.60 to 0.80%, Si: 1.00% or less, Mn: 0.10 to 1.50%, P: 0.050% or less, S: 0.030% or less, N: 0.0200% or less, and the remainder consisting of Fe and impurities. In a cross section of the hub portion after the hub portion is cut with a plane containing the central axis in the direction of the central axis of the through-hole, in a 15 mm x 15 mm region defined as a rectangular region by a plurality of axial line segments arranged at 15 mm intervals in the radial direction of the railway wheel from the inner peripheral surface of the through-hole in parallel with the central axis and a plurality of radial line segments arranged at 15 mm intervals in the direction of the central axis from the surface of the hub portion on which the opening of the through-hole is formed perpendicularly to the central axis, the average C concentration of each rectangular region in the cross section of the hub portion is less than 0.90 mass%.

The invention relates to the technical field of coal mine inspection, and discloses a coal mine inspection robot which comprises a track body and an inspection machine body, an inspection head is mounted on the surface of the inspection machine body, connecting frames are fixedly connected to the two sides of the inspection machine body, a plurality of main rollers are rotationally connected to the surfaces of the connecting frames, and the main rollers abut against the surface of the track body. A penetrating rod is arranged in the main roller in a penetrating mode, the main roller is connected with an auxiliary roller through the penetrating rod, the main roller and the auxiliary roller are equal in size and can be attached to each other to form a whole, a clamping groove is formed in the surface of the main roller, the main roller is connected with a plurality of ratchets through the clamping groove, and a plurality of clamping teeth matched with the ratchets are fixedly connected to the surface of the auxiliary roller. The method has the effect of effectively improving the braking capacity and safety of the inspection robot.

The utility model discloses an air track pneumatic tire coal transport vehicle and an air track transport system. The transport vehicle comprises a bogie and a vehicle body. The bogie is connected with the vehicle body through a central suspension device; the vehicle body runs on the aerial track through the bogie; the bogie comprises a framework, a plurality of wheel assemblies, a motor driving device, a foundation braking device and a gear box, each wheel assembly comprises two tires, and the two tires are inflatable tires and are rotatably installed on the two sides of the framework in the width direction respectively; the motor driving devices are arranged at the two ends of the framework, the gear boxes are connected with the framework, the gear boxes are arranged between the corresponding motor driving devices and the corresponding wheel assemblies, and the motor driving devices transmit torque to the gear boxes through couplings so as to drive the wheel assemblies to walk. According to the aerial track pneumatic tire coal transport vehicle, the vibration of the vehicle and the aerial track beam is relatively small, the gradeability of the vehicle is strong, and the maintenance is more convenient.

The present invention discloses a modular wheel for remanufacturing scrap crane wheels, comprising a modular wheel inner ring, a modular wheel outer ring, a tensioning connection assembly, and a U-groove working sleeve. The center hole of the modular wheel inner ring is connected to the crane axle, the modular wheel inner ring and two modular wheel outer rings are connected via a tensioning connection assembly, and the U-groove working sleeve is mounted on the U-shaped surface of the outer ring of the modular wheel outer ring. The U-groove working sleeve is used to mate with an external track. Compared with the prior art, the present invention facilitates the installation and removal of the axle and the inner hole of the modular wheel inner ring, and the modular wheel outer ring and the working sleeve. The entire wheel assembly does not need to be disassembled for maintenance and wheel replacement. The wheel or working sleeve can be replaced online, significantly reducing maintenance time and production downtime, and significantly improving production efficiency. Furthermore, the use of scrap wheels for reprocessing not only allows for the recycling of scrap crane wheels, but also significantly increases the wheel's service life.

The invention provides a guide wheel device for a straddle type monorail train, which comprises a main shaft, a hub rotationally supported on the main shaft through a bearing, and a tire and a safety wheel which are arranged on the hub, and an anti-falling plate for supporting a bearing outer ring when the bearing outer ring falls off is fixedly arranged at the bottom of the main shaft. According to the straddle type monorail train, the anti-falling plate is arranged at the bottom of the main shaft, when the bearing loses efficacy or the hub falls off due to falling of the end cover, the anti-falling plate can vertically support the outer ring of the bearing, so that the hub and an external tire assembly are prevented from falling to a rail, and the running safety of the straddle type monorail train is remarkably improved.

The utility model discloses a track walking wheel assembly and a track cable-stayed submersible pump. The track walking wheel assembly comprises a wheel frame, a wheel shaft, a walking wheel, a bearing, bearing end covers and a sealing pressing plate, the walking wheel is assembled on the wheel shaft through the bearing, the two sides of the walking wheel are fixed through the bearing end covers, the inner sides of the bearing end covers abut against bearing outer rings for axial positioning, and first sealing rings are arranged between the bearing end covers and the walking wheel; a second sealing ring is arranged between the bearing end cover and the wheel axle; a third sealing ring is arranged between the sealing pressing plate and the bearing end cover, and the second sealing ring and the third sealing ring are arranged in series in the axial direction of the wheel axle to jointly form an axial sealing combination for preventing liquid from invading the bearing cavity along the surface of the axle. By means of the triple sealing design, the problem that the bearing is rusted and stuck due to water inflow is solved, smoothness and reliability of movement of the submersible pump on the rail are guaranteed, the service life of equipment is prolonged, and maintenance cost is reduced.

The present disclosure provides a composite powered wheel set, a train, a wheel-rail system and a train control method. The composite powered wheel set comprises two booster wheels and two support wheels mounted on a driving axle. The booster wheels are fixedly mounted on two ends of the driving axle, the support wheels are mounted on the driving axle via bearings, the moving axle is connected to a first transmission device, which is connected to a first power mechanism, and the driving axle is further connected to a train bogie via a connecting device. Booster wheels and booster rails are provided to improve anti-skid performance, so the train will not skid when running on a steep slope or under a heavy traction load. Restrictions on the railway slope, train traction load, and train speed are eliminated to a great extent, and the application scope of the wheel rails is expanded.

The invention relates to a vibration absorber (1, 1') for resonance vibrations of rotating bodies, in particular rail wheels, having a plurality of vibratory tongue plates (4, 4') which are separated from one another by intermediate layers (5, 5') of damping material, are rigidly connected to the rotating body at at least one point and are coupled to the rotating body over a large area in the remaining region, wherein the individual tongue plates (4, 4') and the individual intermediate layers (5, 5') of damping material are coordinated with one another in such a way that the tongue plates (4, 4') vibrate at the resonance frequency, to be damped, of the rotating body and the individual tongue plates (4, 4') vibrate such that they compress and relax the damping material of the intermediate layers (5, 5'). In order to enable the vibration properties and damping properties to be set flexibly while ensuring simple manufacturing and reliable attachment of the damping elements, it is proposed that at least one of the tongue plates (4, 4') has a through opening (9, 9') through which the two adjacent intermediate layers (5, 5') of damping material are connected to one another to form a single-piece damping element.

This utility model discloses a movable fixing assembly, relating to the field of track technology, which can solve the problem of moving and fixing equipment on a track. The movable fixing assembly includes rollers, a bracket, and a fixing component. The rollers are adapted to the track; the bracket includes a left plate, a connecting plate, and a right plate connected in sequence, with the left and right plates respectively connected to the two ends of the roller's axle; the fixing component includes a first claw, a second claw, and a claw frame; the left wall of the claw frame is rotatably connected to the left plate via a left pivot, and the right wall of the claw frame is rotatably connected to the right plate via a right pivot. A claw hinge shaft connects the front and rear walls of the claw frame. The first and second claws are hinged together via the claw hinge shaft and pass through the inner side of the claw frame. Adjusting bolts are used to clamp or release the first and second claws on the track. This utility model enables flexible movement and stable fixing of equipment on a track.

The invention discloses a rubber driving wheel of a rail operation vehicle, and belongs to the field of transmission control. The invention particularly relates to the driving of rail working vehicles. The rubber driving wheel is characterized in that rubber at the contact part of the rubber driving wheel and a track surface is magnetic rubber with residual magnetism or a rubber matrix containing a magnet. When the rubber wheel is used as a driving wheel of a vehicle on a steel rail, the retarding force for sliding of the contact part of the wheel on the rail surface of the steel rail can be increased by means of magnetic induction between the contact part of the rubber wheel with residual magnetism and the steel rail, so that the wheel applies the same gravity positive pressure to the steel rail, and compared with a normal condition, the wheel can support larger traction force; in other words, the adhesive force coefficient is improved. And the balance weight of the vehicle can be reduced. Especially in the field of tractors, the traction coefficient (the ratio of the traction force to the weight borne by the driving wheels) of the tractor is increased, and the technical and economic significance is obvious.

A wheel is provided that deforms to absorb forces. The wheel includes one or more deformable spokes extending from a central portion of the wheel to an outer portion of the wheel. The spokes are configured to abut against adjacent spokes when the spokes are sufficiently deformed. The adjacent spokes provide a certain amount of support to the deformed spokes, thus requiring an increased threshold force to further deform the first spoke. In one embodiment, the wheel includes pairs of spokes configured to abut against each other.

Embodiments of the present disclosure provide a track apparatus for stackers for a stocker, applicable to the field of handling apparatus for semiconductors. The track apparatus includes an overhead track mounted on a top of an aisle in the stocker and ground tracks mounted on a bottom of the aisle in the stocker and parallel to the overhead track. The overhead track is moveably engaged with a top of a stacker and is configured to provide overhead guide to horizonal movement of the stacker. The ground tracks include two guide tracks and a travelling track arranged between the two guide tracks and parallel to the two guide tracks. The two guide tracks are configured to provide ground guide to the horizonal movement of the stacker, and the travelling track is configured to provide support to the horizonal movement of the stacker. With the overhead track and the ground tracks that adopt new structures and provide support and guide to the horizonal movement of the stacker, stable and high-accuracy operation of the stacker can be ensured.

The application discloses a kind of elastic wheels of rail vehicle, wherein first rubber outer ring, first stiffness plate and first rubber inner ring are sequentially provided between wheel rim and wheel core, second rubber outer ring, second stiffness plate and second rubber inner ring are sequentially provided between wheel rim and pressure ring, and pressure ring is connected with wheel core by fastener.The rubber outer ring, rubber inner ring and stiffness plate of the present application are matched by concave-convex lotus edge structure, which prevents the tangential dislocation rotation between the rubber outer ring and the rubber inner ring.Meanwhile, the stiffness plate made of metal material sandwiched between the rubber outer ring and the rubber inner ring greatly improves the overall circumferential tangential shear strength of the rubber outer ring and the rubber inner ring, avoiding large displacement dislocation caused by rubber elastic deformation and solving the problem of sluggishness of elastic wheel.Meanwhile, the concave-convex structure of lotus leaf edge is arranged on the rubber ring, which greatly reduces the processing procedure and reduces the processing difficulty compared with arranging groove on metal part.

The invention discloses a thermal-state automatic marking machine and an outer rim applied to a train wheel, and relates to the technical field of marking machines. The device comprises a shell, a power supply device and a controller, the driving device is arranged in the shell; the first workbench is connected with the output end of the driving device; the marking mold is connected with the bottom surface of the first workbench; the second working table and the first working table are oppositely arranged on the shell; the wheel positioning ring is arranged in the center of the second workbench; the jacking device is arranged in the position, close to one side of the second workbench, of the shell, and the output end of the jacking device is located on the central extension line of the wheel positioning ring facing one side of the first workbench. According to the marking machine, the problems that an existing marking machine is poor in marking effect, uncontrollable in typewriting depth and low in marking efficiency are solved.

The invention belongs to the technical field of variable-gauge wheelsets, and particularly relates to a variable-gauge wheelset with a non-rotating axle, a bogie and a railway vehicle, the variable-gauge wheelset with the non-rotating axle comprises the axle, a coupling barrel is rotatably arranged on the axle, wheel assemblies are slidably connected to the two ends of the coupling barrel, and each wheel assembly comprises a wheel. The wheels can rotate relative to the axle, the wheel assembly is connected with the axle in a sliding mode, so that the distance between the two wheels is adjustable, and torque is transmitted between the two wheels through a coupling cylinder. The abrasion speed between the wheel assembly and the axle is reduced, the service life of the gauge-changeable wheel set is prolonged, the two wheels change rails at the same time, and the rail changing efficiency is improved; in addition, compared with axle rotation, the wheel assembly only bears vertical loads and does not bear alternating loads, and the reliability of the wheel assembly is improved.

The utility model relates to a rail construction material conveying device. An existing material conveying device is prone to deviation due to the fact that materials are too heavy in the transportation process, and the materials are usually directly stacked and placed and cannot be clamped. The device comprises a base plate and two rails, and further comprises a movable deviation rectifying mechanism and a clamping mechanism. The upper end surface of the track is arc-shaped; the movable deviation rectifying mechanism comprises a connecting piece, a moving assembly and two deviation rectifying assemblies, the connecting piece is arranged at the bottom of the base plate, the moving assembly penetrates through the connecting piece and is slidably arranged on the two rails, and the deviation rectifying assemblies are arranged at the two ends of the moving assembly correspondingly and are slidably connected with the rails; the moving assembly comprises a rotating shaft and two wheels, the rotating shaft penetrates through the connecting piece, the wheels are arranged at the two ends of the rotating shaft respectively and slidably arranged on the track, and the wheels are in a circular truncated cone shape with the outer side diameter smaller than the inner side diameter. The clamping mechanism is arranged at the upper end of the base plate. The device can be prevented from deviating, and materials can be clamped.