2117 results about "Caster" patented technology

A removable wheel assembly includes a mounting base, a caster assembly and a detachment mechanism. The mounting base is provided with an insertion hole and a transverse guide groove communicated with the insertion hole. The caster assembly includes an insertion shaft, a wheel bracket, a rotating wheel and a housing. The insertion shaft includes a first end portion, and the first end portion is provided with a first engagement portion. The wheel bracket is connected to the insertion shaft. The rotating wheel is mounted on the wheel bracket. The housing includes a first housing and a second housing engaged with each other, and both the first housing and the second housing cover an outer side of the rotating wheel. The detachment mechanism includes a sliding member slidably disposed within the transverse guide groove and an elastic member connected to the sliding member.

The invention relates to the technical field of double-roller cast rolling, and provides a roller gap control method. According to the method, in the casting and rolling process, controlled floating of a roll gap is achieved under the condition of constant opening degree by controlling the overall movement of a driving device and a roll system and the relative movement between the driving device and the roll system, and therefore the material updating process in a molten pool is stabilized. Different from a traditional technical scheme, the method can keep the two roller bodies and the side sealing device static relative to the ground in the roller gap floating period, the thickness fluctuation of the green body is effectively avoided, the abrasion rate of the side sealing plate is reduced, and therefore the stability of the cast-rolling process and the quality of the green body are improved.

The utility model relates to the technical field of early warning devices, and discloses a fire operation leaving early warning device which comprises a base, a supporting frame is vertically and fixedly connected to the top of the base, a lifting plate is vertically and slidably connected to the surface of the supporting frame, a connecting box and a control box are fixedly connected to the surface of the lifting plate, and the control box is arranged at the top of the connecting box. A sliding mechanism for sliding the lifting plate is arranged on the surface of the base, a mounting plate is horizontally and fixedly connected into the supporting frame and arranged at the top of the supporting frame, a human body induction module is mounted on the surface of the mounting plate, and universal wheels are mounted at the four corners of the bottom of the base. According to the device, the lifting plate is arranged in an up-down sliding manner, so that the device can be conveniently used for people with different heights and different use scenes during use, the use effect of the device is improved, meanwhile, the device is matched with real-time monitoring of the human body sensing module, prompting is conveniently carried out when the device leaves people, and the safety of the device is improved.

An autonomous transport robot for transporting a payload, autonomous transport robot including, frame with integral payload support that has a payload seat surface defining a payload datum position that determines predetermined payload position relative to autonomous transport robot, transfer arm connected to the frame and configured for autonomous transfer of payload to and from the frame, one caster wheel mounted to frame, drive section with a pair of traction drive wheels astride the drive section, drive section being connected to the frame, wherein the one caster wheel and one traction drive wheel of the pair of traction drive wheels roll, on a rolling surface effecting autonomous transport robot traversal over the rolling surface, each having a fully independent suspension, and are disposed on the frame astride the integral payload support so that the payload seat surface at the payload datum position is disposed at minimum distance above the rolling surface.

The invention discloses a lifting device and method for storage and transfer of an airship pod, and relates to the technical field of storage and transfer of airship pods.The lifting device comprises an upper bracket, two lifting driving assemblies, a middle support, a damping spring, a base, four wheels and a traction rod; through the modular truss structure design, the bearing capacity and the lightweight requirement are both considered; a multi-dimensional vibration reduction system is formed by the vibration reduction springs which are arranged horizontally, longitudinally and transversely and the soft rubber buffer cushion, and the structure and function integrity of the pod in the storage and transfer process can be effectively protected by matching with the flexible moving and locking functions of the universal wheels with brakes; the lifting driving assembly adopts worm and gear transmission to achieve stable lifting and + / -15-degree pitch angle adjustment, an operating hand wheel designed in an ergonomic mode is combined, electric drive is matched, and the requirement for precise adjustment and control of pods is met. And the operation efficiency is greatly improved through the quick disassembly and assembly design of the positioning and fixing assembly and the traction rod.

The invention discloses a construction method of a cantilever formwork system device and a fine-adjustable cantilever formwork system device. The construction method of the cantilever formwork system device comprises the following steps that A, a tripod operation platform is installed; b, a formwork system is assembled; c, a vertical main back ridge, a fine adjustment device, an adjustable triangular support, an adjusting base and a movable scaffold with trundles are installed and fixed to the tripod operation platform; d, the frame body comprising the tripod operation platform is integrally hoisted and hung and buckled on an embedded part in lower layer structure concrete; e, the reserved structure space is enlarged through a fine adjustment device, and the tripod operation platform and the movable scaffold with the trundles are used as platform binding structural steel bars; and F, after steel bars are bound, the formwork system assembled in the step B is hoisted in place, the formwork system is adjusted to the designed structural size position through a fine adjustment device, and structural concrete is corrected and poured.

A rolling lift includes a tiltable and laterally shiftable load table. Tilt mechanisms at the mutual corners of a lift deck and the load table enable tilting of the load table. The apparatus caster units at corners of the cart frame and a handle stowable relative to a base frame of the lift.

A Car Seat Transportation Device is an apparatus that holds and transports a car seat when it is out of a vehicle. The device takes the form of a cart supported by four (4) casters that rotate three-hundred-sixty degrees (360°) (spinner style), that easily roll over almost any surface. The rear of the device is provided with handle system, that adjusts in height, and is similar to that of a handle found on a stroller. The top of the platform, or base, that holds the removed car seat is adjustable, allowing use with almost any make or model of car seat. These features allow the device to safely hold a car seat with an infant or child inside of a home and also allow the car seat to function as a stroller as well. It also allows a parent or care giver to remove the car seat from a car with the infant or child still in place and place it on the device thus transforming it into a stroller without disturbing the child. It is great for travel, especially when moving between gates in an airport. Finally, when not in use, the device collapses, and folds for easy storage almost anywhere.

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.

Selectively powered caster wheels for a maintenance apparatus are described. A motor attached to the caster wheel(s) can be selectively powered to apply force to the caster wheel. This force can be selected to overcome another force sensed at the maintenance apparatus, or to steer the maintenance apparatus on a desired course or direction. The caster wheels can be configured to orient along a direction of motion of the maintenance apparatus, in response to power from the motor or in response to the motion of the maintenance apparatus itself. In further embodiments, the motor(s) can be selectively activated or deactivated by an operator of the maintenance apparatus, in response to a remote control signal, or in response to an onboard or offboard controller of the apparatus.

The invention relates to a mobile platform device for tunnel construction. The mobile platform device comprises a movable supporting platform, a movable operating platform, a chain block and a special extension ladder, the movable supporting platform is formed by splicing customized square steel pipes with holes through universal connecting holes, customized connecting pieces and customized supporting pieces, and four brake trundles with locking mechanisms are installed at the bottom of the movable supporting platform. The movable operation platform is suspended below the movable supporting platform through a chain block, an anti-skid supporting wood plate is laid on the surface of the movable operation platform, and protective railings are arranged on the periphery of the movable operation platform. And the special extension ladder is connected to the vertical upright post of the movable supporting platform. The platform can freely move to different operation points in a tunnel through the rollers, is matched with a lifting function to meet the construction requirements of different heights, and breaks through the space limitation of a traditional fixed platform. And meanwhile, the tedious steps of scaffold building and disassembling are omitted, the equipment carrying and site conversion time is shortened, operation is achieved when the scaffold is arrived, and the procedure connection period is shortened.

A weight scale for a gas cylinder with an impact resistance system has a rotatable top housing and a bottom housing, which is located opposite the lower surface of the top housing. The top housing has a top protruding portion that protrudes toward the bottom housing and a caster bearing that is rotatably mounted on the lower surface of the top housing. The bottom housing has a caster ramp provided on the upper surface thereof such that the caster bearing can roll down the caster ramp when the top housing is pushed down and rotates with respect the bottom housing. A weight sensor is placed on the upper surface of the bottom housing adjacent the ramp. The weight sensor is configured to measure the weight of the gas cylinder when the caster bearing rolls off the caster ramp and onto the weight sensor.

To provide a collapsible and portable summer shelter that can be used as a measure to prevent heat stroke in workers in workplaces such as factories. [Solution] This is a movable summer retreat with casters 4, where the frame is made of metal or resin pipes or the frame of a prefabricated tent, the walls are made of a heat-shielding sheet with high insulation and reflectivity attached to a flame-retardant curtain 1, and the ceiling is made of a multi-layer heat-shielding sheet 2 with an air layer placed on top of the frame. If necessary, a transparent heat-shielding film can be attached to a noren-style transparent vinyl curtain to allow the outside to be seen. Also, a movable panel structure with casters and an integrated indoor and outdoor unit can be used as an indoor air conditioning system and can be made part of the room. An outlet can be installed on this panel, allowing for computer work, etc. Furthermore, the size of the summer retreat itself can be adjusted by making the pipes of the frame extendable.

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.

The present disclosure belongs to the technical field of intelligent cleaning equipment, and in particular to a swimming pool cleaning device of an underwater robot. The present disclosure facilitates maintenance of the filter screen and the impellers through the detachable structure of the upper cover and the lower cover, and forms linkage with the inductor brackets and the through holes, and automatically separates the inductor brackets during disassembly and assembly, which simplifies assembly and ensures connection stability. The guide wheel system significantly improves the travel stability and obstacle crossing ability of the device on the bottom of the pool through the precise cooperation of the wheel grooves and the caster round shafts. The dual-motor drive cooperates with the concentrical drainage enclosures to form an efficient vortex, which ensures that the cleaning ability can still be maintained when a single motor fails, and greatly improves the efficiency of discharging fine impurities.

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.

The application discloses a numerical control grinding machine grinding wheel mounting and dismounting device, and belongs to the technical field of numerical control grinding machines.It comprises a frame, a hand wheel, a transmission shaft, a front side mounting plate, a bearing seat mounting plate, a lead screw, a guide rail and a grinding wheel mounting mechanism.The frame bottom is provided with a foot wheel assembly.The frame is vertically provided with the front side mounting plate.The lead screw is rotatably arranged on the side wall of the front side mounting plate and is threadedly connected with the grinding wheel mounting mechanism.The guide rail is arranged beside the lead screw and is connected with the grinding wheel mounting mechanism.The front side mounting plate top is provided with the bearing seat mounting plate.The first end of the transmission shaft is connected with the hand wheel.The second end of the transmission shaft is connected with the lead screw.The hand wheel drives the transmission shaft to rotate, and then drives the lead screw to rotate through the transmission shaft to drive the grinding wheel mounting mechanism to lift and lower.The application can move the lifting grinding wheel mounting mechanism through the frame, and lift and lower the grinding wheel through the grinding wheel mounting mechanism, greatly reducing the difficulty of workers in dismounting and mounting the grinding wheel and ensuring the safety of dismounting and mounting.

A luggage caster for maintenance and replacement includes a wheel frame, a vertical shaft, and trolley wheels in a clearance fit with the wheel frame. The vertical shaft is configured to rotate axially within a vertical shaft hole of the wheel frame. a bottom end of the vertical shaft defines a riveting hole for forming a riveting flange. A top end of the vertical shaft is provided with a limiting plate that cooperates with the riveting flange to achieve an axial limitation of the vertical shaft in the vertical shaft hole. The top end of the vertical shaft is further provided with an installation head that protrudes from the limiting plate. The installation head is configured to insert into a shaft hole of a luggage bottom support. The riveting hole of the vertical shaft extends axially along the vertical shaft to define an anti-rotation tool hole.

The invention discloses a production method of low-cost cold-rolled dual-phase steel DP980 with yield strength of 550-760 MPa, which comprises the following steps: (1) smelting and continuous casting: molten steel for a casting machine comprises the following components in percentage by mass: 0.090-0.120% of C, 0.40-0.60% of Si, 2.40-3.00% of Mn, less than or equal to 0.015% of P, less than or equal to 0.015% of S, 0.015-0.045% of Alt, 0.10-0.30% of Cr, 0.020-0.045% of Nb, 0.015-0.035% of Ti, 0.0008-0.0030% of Ca and 0.0030-0.0070% of N; (2) hot rolling; (3) pickling and cold rolling; and (4) continuous annealing and leveling. The cold-rolled dual-phase steel disclosed by the invention has the characteristics of low yield ratio, high elongation percentage, excellent formability and the like.

A kit of parts for use in demountably configuring a variety of structural assemblies. A kit may comprise a plurality of cylindrical structural components configured for engagement with various types of male connector components along the sides or at the ends of the cylindrical structural components, there provided for demountable engagement of a female-end socket component at the end of another cylindrical structural component. The kit may additionally comprise components for one or more of roller carriage assemblies and / or one or more of sliding carriage assemblies configured for rolling or sliding movement along rail assemblies comprising a plurality of cylindrical, square, rectangular, or octagonal track components. The rail assemblies may be supported by bases comprising the cylindrical structural components and other components such as weight components, as well as threaded foot components or threaded caster components on which the rail assemblies can be adjustably levelled.

In an embodiment, an unmanned transfer robot for transferring a cart loaded with articles includes: a pair of driving wheels rotationally driven in a differential manner and provided spaced apart from each other to both sides; a steering mechanism for adjusting the angle of a driving direction of the pair of driving wheels, to enable diagonal driving; and at least one rotating caster provided at a position spaced apart from the pair of driving wheels and driven and rotated by rotational driving of the pair of driving wheels.

The present disclosure belongs to the technical field of intelligent cleaning equipment, and in particular to a swimming pool cleaning device of an underwater robot. The present disclosure facilitates maintenance of the filter screen and the impellers through the detachable structure of the upper cover and the lower cover, and forms linkage with the inductor brackets and the through holes, and automatically separates the inductor brackets during disassembly and assembly, which simplifies assembly and ensures connection stability. The guide wheel system significantly improves the travel stability and obstacle crossing ability of the device on the bottom of the pool through the precise cooperation of the wheel grooves and the caster round shafts. The dual-motor drive cooperates with the concentrical drainage enclosures to form an efficient vortex, which ensures that the cleaning ability can still be maintained when a single motor fails, and greatly improves the efficiency of discharging fine impurities.

1. The name of the design product: caster connecting piece. 2. The use of the design product: for installing and fixing casters. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

An external charger is to be easily transported and securely prevented from falling during transport. A wheeled platform for external charger for transporting an external charger supplying electric power to a working vehicle driven by an electric motor includes: a pedestal where the external charger is placed; and a caster and a support pillar attached to the pedestal. The pedestal or the support pillar is provided with an engagement part which a blade of the working vehicle can be engaged with. The engagement part is configured in such a way that a movement regulating member preventing the blade from wobbling can be attached in a state where the caster is spaced apart from a ground by lifting the blade further from a state where the blade is engaged.

This invention discloses a construction device and process for asphalt pavement structures used in municipal roads, comprising a base plate, a feeding bucket fixedly connected to the base plate, and casters rolling on the base plate. A partition plate is fixed inside the feeding bucket, and asphalt mixture is located above the partition plate. A discharge hole is opened on the top of the partition plate. A sealing plate that can block the discharge hole is slidably mounted on the bottom surface of the partition plate. A filling hole is opened on the base plate, and a rotating blade for spreading the asphalt mixture is rotatably mounted inside the filling hole. A pulling mechanism for pulling the sealing plate away from the discharge hole is provided on the partition plate, and a resetting mechanism for pushing the sealing plate back to its original position is also provided on the partition plate. A detection mechanism for detecting road surface pits is provided on the base plate, and the detection mechanism is used to control the operation of the pulling mechanism. This application has the effect of facilitating the repair of asphalt pavement depressions.

This invention relates to a tunnel lining inspection device, comprising a connecting base, a multi-axis drive bracket connected to the connecting base, and a detection module mounted on the multi-axis drive bracket. The detection module includes a connecting plate, a mounting plate disposed on the connecting plate, an adaptive mechanism disposed between the connecting plate and the mounting plate for facilitating the device to adapt to uneven surfaces, a caster wheel fixedly connected to the side wall of the mounting plate away from the connecting plate, and a detection radar fixedly connected to the side wall of the mounting plate away from the connecting plate. This invention features a simple structure, convenient operation, and facilitates tunnel lining inspection by construction personnel. The equipment has a simple structure and low cost, reducing the purchase cost for construction parties.

This invention discloses a horizontal machining center for workpieces, belonging to the technical field of mechanical workpiece processing devices. It includes a machine body with a hinged door on its side and a processing device connected to the top of the machine body. A discharge groove is formed at the bottom of the machine body, and a stabilizing device is slidably connected to the upper part of the discharge groove. One end of a support rod is rotatably connected to a caster wheel. A crossbar is fixedly connected to the support rod, and two first telescopic rods are located at opposite ends of the crossbar, rotatably connected to the caster wheel. A placement platform is slidably connected to the other end of the support rod, and a first sliding groove is formed at the bottom of the placement platform. The other end of the support rod extends into and is slidably connected to the first sliding groove. Two extrusion blocks are located on both sides of the support rod and slidably connected to the sliding groove. A rotating device is connected to the lower part of the placement platform. This invention solves the problem in existing devices where operators find it difficult to adjust the position of parts being processed, requiring the processing device to be closed and the door opened again for adjustment, resulting in complex operation steps and low work efficiency.

This invention discloses a transport packaging box device for locomotives, relating to the field of locomotive transport packaging technology. It includes a handle, a packaging unit on one side of the handle, an opening and closing unit inside the packaging unit, a loading and unloading unit inside the packaging unit for securing the locomotive, an adjusting unit inside the loading and unloading unit for adjusting the wheel track of the locomotive, and a connecting unit inside the packaging unit for fastening and securing. This invention achieves the effect of controlling the opening and closing of the packaging body through the arrangement of a sealed box door, a T-shaped rod, and a spring, without requiring the disassembly of the main body of the device, allowing for its reuse and reducing costs. The locking casters facilitate the movement of the main body of the device, further saving manpower.

The application discloses a production method of a mining rare-earth wear-resistant GN-14A hot-rolled round steel, and a steelmaking process is as follows: a converter is operated with double-slag, and an end-point basicity is controlled at 2.5; the end-point control target of the converter is C >= 0.08%, and P <= 0.020%; a VD deep vacuum time is >= 15 min, and a soft blowing time is >= 20 min; a superheat degree is <= 25 DEG C, a caster pulling speed is 0.55 m / min <= 0.60 m / min; a casting blank slow cooling time is >= 24 hours; and a rolling process is as follows: 1020 DEG C <= open rolling temperature <= 1050 DEG C; 780 DEG C <= final rolling temperature <= 850 DEG C; 450 DEG C <= entering slow cooling pit temperature <= 550 DEG C; and 50 DEG C <= exiting slow cooling pit temperature <= 150 DEG C. The hot-rolled round steel prepared by the application has a structure of ferrite + pearlite structure, inclusion levels of A class <= 1.5 level, B class <= 1.5 level, C class <= 1.0 level, D class <= 1.5 level, and austenite grain size >= 5 level.

This invention provides an autonomous mobile robot for transporting items loaded on its top surface. The robot includes: a bottom frame; a pair of main drive units positioned below the bottom frame and operated by a drive motor; and four casters positioned adjacent to the lower corners of the bottom frame, wherein each main drive unit includes: a roller bracket fastened to the drive motor; a main roller rotatably fastened to the roller bracket and rotatable by receiving power from the drive motor; a suspension spring positioned between the roller bracket and the bottom frame; a stop bracket fastened to the roller bracket; and an upper stop positioned on the bottom surface of the bottom frame facing the stop bracket.