6105results about "Lifting frames" patented technology

Conventional means of transporting goods, for example, in a warehouse tend to be expensive due to costs from human labor and from employing automation such as conveyors. Shuttles that are used to automatically transport goods provide a means of transporting goods that is less expensive, more efficient, and allows more rapid transportation. Shuttles, systems employing the shuttles, and methods of transporting goods using these shuttles, is disclosed.

The invention discloses a portable power generation system. The whole power generation system is divided into two conveyances. A combustion gas turbine, an electric generator, an inlet chamber, an exhaust gas receiver and an auxiliary system are arranged on the first conveyance, and an inlet component and an exhaust pipeline as a whole are arranged on the second conveyance. At least four lifting devices are arranged on the second conveyance and are used for separating the inlet component and the exhaust pipeline from the second conveyance and realizing upward jacking, so that a power-generation transport device can move to the position under the inlet component and the exhaust pipeline. Then, the inlet component and the exhaust pipeline descend by using the lifting devices to butt againstthe inlet chamber and the exhaust gas receiver respectively. The gravity of the inlet component and the exhaust pipeline are utilized to realize the sealing of butting.

Wireless portable vehicle lift system incorporating one or more enhanced communication and/or control features. The lift system can incorporate enhanced touch screen-enabled functionalities, enhanced multi-processor architectures, and/or enhanced emergency stop features.

Disclosed is a mechanism for raising and lowering a patient support including a base having two spaced posts extending upwardly, a sliding sleeve on each base post and a cross member fixed to and extending between the sleeves. An actuator is located between the base and the cross member to move the cross member vertically with respect to the base. A horizontal member located above the cross member is slidingly moveable with respect to the sleeves and includes guides to capture the sleeves. A pulley is provided on the cross member and supports a chain or belt, fixed to the base at a first end and at the other end to the horizontal support. As the actuator raises and lowers the cross member, the upper support is raised and lowered at a greater speed. On the base is a reversible fold down pole to assist the patient in raising and lowering themselves.

A transportable utility carrier apparatus for coupling to a transport vehicle, including an upper frame, a recessed platform connected to the upper frame, a wheeled base, a lift system interposed between the base and the upper frame for moving the wheeled base relative to the platform between a transport position and a freestanding position, a square hitch tube connected to the upper frame, and a rollered receiver hitch mountable to the transport vehicle. The wheels are spaced from the ground in the transport position. The square hitch tube is receivable within the rollered receiver hitch and the rollered receiver hitch eases insertion of the square hitch tube thereinto to prevent binding on unleveled ground.

A coordinated lift system with user selectable RF channels coordinates the raising and lowering of a vehicle relative to a surface by using wireless communications. The lift system includes at least two lift mechanisms each having support frame, including a post, a carriage, an actuating device, and a control device with a channel selector switch. The carriage is slidably mounted on the post and is configured to support a portion of the vehicle. The actuating device is engaged between the support frame and the carriage and is activated to move the carriage relative to the post. The control device is interfaced with the actuating device and includes an RF transceiver to enable communication by RF signals with the other control device. The channel on which the transceiver operates is user selectable in the field. A rechargeable battery may provide power to the control device to allow for increased mobility of the lift system.

A system for adjusting the position of a load supported on a conveyor cart includes a driven lift mechanism for controlling height and a turntable for controlling rotational orientation. The cart may, alternately or in addition to the above mechanisms, include a gimbal mechanism for rotational adjustment about multiple axes. A processor on the cart provides actuation and control of the mechanisms. An ID card reader on the cart senses ID tags for determining when the cart is adjacent particular locations. Data representing desired load position at the locations is stored either in a memory device or by the ID tag for relay to the processor on the cart via the ID tag reader. A system level controller provides a centralized storage location for desired load position data for communication to a plurality of conveyor carts through a communication link that includes radio frequency modems.

A spring-loaded shelf for an existing beverage cooler, which obviates the need for a user to reach more deeply within the confines of the cooler for a beverage as the contents of the cooler become depleted. The spring-loaded shelf has a base, a platform pivotally attached to the base by two scissor-type linkages, and a lifting mechanism for selectively and automatically raising the platform with respect to the base upon the scissor-type linkages, as the weight of the beverages placed upon the platform gradually decreases. Use of the spring-loaded shelf prevents injury to the user while retrieving a beverage from the cooler, and also provides for increased accessibility and visibility of the contents of the cooler.

A permanently mounted pneumatic jack (jacklift) system for motor vehicles, as well as an impact wrench for removing and installing lug nuts. The system provides a quick and safe means of lifting one or more tires off the ground for replacement of a spare or rotating the tires on a motor vehicle. The present invention comprises two or more (typically four) pneumatic jacks, a system ON/OFF switch, an air compressor, a 120-psi air tank, air lines (hoses), individual jack extend/retract switches, jack position-locking pins, safety-locking pins, and impact wrench. Each jack can be locked in a horizontal stowaway or vertical operational position. The jack is cylindrical shaped with a telescopic body that can be extended or retracted as needed to raise and lower the vehicle. A solid cylindrical lift rod slides inside a cylindrical outer housing with a high-pressure seal means used to maintain pressure on the support rod. A ground support foot (plate) is mounted on the lower end of the solid cylindrical lift rod to provide sufficient traction with the ground to support the lifting process. A quick release air coupler is included on the pneumatic chamber to support the use of an air hose and impact wrench. An extend/retract toggle switch is included on each jack to control a solenoid valve to allow the air to flow into the jack. A quick release safety-locking pin is used to mechanically pin the solid cylindrical lift rod to the outer housing once the desired height is achieved to assure that the vehicle does not fall down in the event of a high-pressure air loss, thereby providing safety to the person(s) working around the vehicle. An air compressor located in the engine compartment of the vehicle is mechanically belt-driven off the engine. A high-pressure air line carries the air to a high-pressure (at least 120-psi) air tank located in the trunk or other suitable storage area on the vehicle. Separate air lines extend from the air tank to the individual jacks.

An X-linked lift mechanism having first links (3) and second links (4) constituting an X-linked mechanism between a base frame (1) and a lift frame (2). A drive member (11) is pivotally rotatably installed between the other lateral side portions of the second links and is connected with boost arms (12) and a drive arm (13). Guide members (15) are provided for guiding the moving members (14) installed at the ends of the boost arms. The guide members are installed on the other lateral side portions of the first links in the length direction. Also, a linear actuator is provided so as to extend between the other lateral side of the first links and the drive arm.

A modular actuator has a combination cam member and scissors mechanism in a compact unit that is capable of lifting heavy loads. A pull member is capable of controlling and combining two different mechanisms that travel at different rates through two ranges of motion. The cam member has a profile that is dimensioned and configured to maintain a constant range of motion.

A centering device for a platform lift which includes a lifting mechanism for moving objects from a first to a second height. The lift mechanism has a base, at least a first and a second set of legs, and a platform. The first and second sets of legs each have first opposite ends pivotally secured to the base and the platform, respectively, and second opposite ends provide with traveling members to cooperate with the platform and base, respectively. The platform has a lower portion including a rail upon which the traveling members of the first set of legs traverse. Between the ends of each of the first set of legs, having the traveling members, and the rail, a centering device is disposed to provide alignment of the traveling members and the rails.

The invention provides a scissors lifting device which comprises a loading plate, a bottom plate, two groups of connecting rods which are in X-shaped cross connection and drive elements of connecting rods, wherein the bottom plate is glidingly connected with the lower end of one pair of co-rotating connecting rod of the two groups of the connecting rods through a drive slide block, the loading plate is glidingly connected with the upper end of another pair of the co-rotating connecting rod by a slide block , the lower end of another pair of the co-rotating connecting rod is fixedly connected with the bottom plate, the drive slide block is provided with a screw hole, and a screw rod passes through the screw hole and is meshed with a screw pair of the drive slide block. The drive elements of the connecting rods include a large gear, a small gear, a rough adjusting knot, and a fine adjusting knot, one end of the screw rod is fixed on the bottom plate, the other end of the screw rod is coaxially connected with the big gear, the small gear is meshed with the gear pair of the large gear, the rough adjusting knot is coaxially connected with the large gear, and the fine adjusting knot is coaxially connected with the small gear. The scissors lifting device of the invention has the advantages that frictional force of each joint is small, the loading amount is large, and a loading platform is stable without swinging in the lifting process of the whole device and has the function of slow rising and quick descending.

A robotic drilling apparatus is described which has been adapted for drilling holes in ceilings and walls on a construction site. The apparatus (100) comprises a robotic arm (110) mounted to a substructure (112), the substructure comprising a lifting mechanism arranged to lift the robotic arm to a working position, wherein the robotic arm has a base end (110a) and a movable end (110b), the base end being mounted to an upper surface (114) of the lifting mechanism and the movable end being capable of movement with respect to the base end in a three dimensional space, wherein the robotic drilling apparatus further comprises a mount (120) provided on the movable end for holding a drilling device (122) and a control unit (134) for controlling the operation of the robotic arm. The lifting mechanism preferably comprises a scissor-jack lifting platform. The robotic arm (110) and any support structure (134) for the robotic arm weighs less than 43 kg, and preferably individually weigh less than 23 kg.

The invention discloses a rotating jacking mechanism and an AGV(Automatic Guided Vehicle) comprising the same and belongs to the field of automatic conveying devices. The rotating jacking mechanism comprises a base fixing plate, a rotation motor, a transmission assembly, a lead screw, a lead screw nut, a large bearing bracket, a large bearing and a hollow tray. The lead screw penetrates through the base fixing plate, and the lead screw is supported on the base fixing plate through the lead screw nut. The large bearing bracket, the large bearing and the tray are sequentially arranged on the lead screw from bottom up. The rotating motor and the transmission assembly are in transmission connection, and the transmission assembly is in transmission connection with the tray and the lead screw. The AGV comprising the rotating jacking mechanism comprises two driving wheels, four universal wheels, a battery pack, two driving motors, a driving motor driver, a vehicle body frame, two control boards, a tray support, two right-angle driving motor reduction boxes, a navigation device and two infrared sensors. According to the invention, the structure is flexible and compact, the dead weight capacity is large, the self-locking performance is good, the lead screw can ascends stably in a rotary manner and the requirements for flexible carrying can be met.

The invention discloses an electric shear type lifting platform, which comprises an upper movable bearing platform, a lower base, a mechanical lifting mechanism and a power driving mechanism, wherein the mechanical lifting mechanism is provided with a plurality of shear fork components, the power driving mechanism is a screw horizontal track feed actuating mechanism and comprises two screws which are parallel to each other and correspondingly arranged side by side, a driven end of each screw is in rotating connection with the position at the bottom end of one side of the bottom shear forks through a bearing, threaded sections of the screws are movably connected with a parallel moving block with internal threads matched with the threaded sections, the parallel moving block is fixedly connected with the bottom end of the other side of the bottom shear forks, folding and unfolding of the bottom shear forks can be realized by the aid of the parallel moving block and horizontal track feed along the screws, and further the upper movable bearing platform is supported to ascend and descend. The power driving mechanism is controlled by means of motor drive, so that folding and unfolding of the shear forks are realized, the upper movable bearing platform is kept parallel to the lower base, and further the lifting platform is stable in operation, low in manufacture cost and wide in application.

Disclosed is a container loading and unloading apparatus, which overcomes a problem of a conventional container in that a special equipment such as a forklift truck, a crane or the like is necessarily mobilized whenever the loading or unloading work is performed because the container is simply a cuboidal rigid body. The present invention makes it possible to perform the loading and unloading works of the container main body at the time of its storage and transportation without a separate loading and unloading equipment by providing a container supporter to secure a space for loading the container main body on a chassis of a freight car, thereby reducing equipments and labor as well as facilitating the loading and unloading works.

The present invention is a unitary piece block formed of polymers (such as polystyrene or other high strength polymer) by a single injection molding step which are assembled into a recreational vehicle leveler. The invention ramp provides four sets of four connectors at a top of a floor plate, which are adapted to interlock in cavity structures formed within a cavity on the underside of the block. Two adjacent blocks are secured together by applying to their top surfaces the securing cavity structure of an underside of a third such block. Such blocks can be stacked in an interlocking manner to reduce storage space.

The present invention is a method for constructing cylindrical grain bins. The method employs a sets of identical, telescoping jacks actuated by hydraulic cylinders and an hydraulic system having separate hydraulic circuits that serve each set of jacks. Using the set of identical, hydraulic, telescoping jacks, successive rings of a grain bin structure made up of connected panels are lifted. After a first ring is lifted, a second ring can be attached to the lower edge of the first ring. The second ring is then lifted and the process is repeated until the grain bin is completed.

A device is provided for hoisting a module for mounting into an overhead space, such as the crown of an aircraft fuselage. The device includes a frame that supports the module, and a lifting device that lifts the first frame to properly place the module. The lifting device includes a frame, attachment devices that attach the frame of the lifting device to overhead support frames, and a driving device that moves the frame of the lifting device up the attachment devices. The frame of the lifting device receives the frame that supports the module as the frame of the lifting device is moved by the driving device.

A vehicle tire saving system or device which includes blocks having a contoured surfaced sized and shaped to receive a particular size tire and evenly support an arched section of the tire to prevent crushing of the side wall of the tires during extended period of storage thereby eliminating or minimizing the occurrence of dry rot to the tires. The device or system could also be used as a jacking mechanism for tandem tire assemblies and as a stand system for elevating a portion of a vehicle while performing work such as changing the oil filter or the like.

The invention discloses an orchard overhead operation assisting platform and belongs to the technical field of assisting operation. The orchard overhead operation assisting platform comprises a traveling device, a telescopic base, a fork type lifting mechanism, a platform, an offset mechanism, a fine adjustment mechanism and a rotating mechanism, wherein the telescopic base is connected to the traveling device and can extend out of the traveling device to be supported on the ground during operation; the fork type lifting mechanism is arranged above the telescopic base, one side of the fork type lifting mechanism is hinged to a horizontal telescopic arm of the base, and the other side of the fork type lifting mechanism is connected to a bottom plate of the base through the fine adjustment mechanism; the rotating mechanism is arranged on a top plate of the fork type lifting mechanism; and the platform is connected to the upper portion of the rotating mechanism through the offset mechanism and can move horizontally, the platform rotates by 360 degrees through the rotating mechanism, the lifting height of the platform is controlled through the fork type lifting mechanism, and the inclination angle of the platform is adjusted through the fine adjustment mechanism to keep the platform horizontal. The height is adjusted automatically and the base is leveled automatically according to the ground, so that the orchard overhead operation assisting platform is suitable for terrains like gentle slopes, soft places and pot holes and capable of completing overhead operations such as orchard pruning, bagging, pollination, chemical spraying and fruit picking.

The invention relates to a foldable radar antenna lifting mechanism based on space link multi-oil-cylinder coordinated drive. The foldable radar antenna lifting mechanism based on space link multi-oil-cylinder coordinated drive comprises a first-stage parallel mechanism, an auxiliary turnover mechanism, a second-stage parallel mechanism, a supporting platform mechanism, a first rotary encoder, a second rotary encoder and a horizontal sensor, wherein the first-stage parallel mechanism is installed on the auxiliary turnover mechanism, the upper portion of the second-stage parallel mechanism is installed on the auxiliary turnover mechanism, the bottom portion of the second-stage parallel mechanism is installed on the supporting platform mechanism, the first rotary encoder, and the horizontal sensor are installed on the first-stage parallel mechanism, and the second rotary encoder is installed on the second-stage parallel mechanism. The foldable radar antenna lifting mechanism based on space link multi-oil-cylinder coordinated drive has the advantages that the control accuracy and the safety are high, the rigidity is high, the stability during lifting is better, the lifting capacity is great, the spreading and folding speed is fast, the space occupied by the mechanism after being folded is small, multiple transportation manners are compatible, and the contradictions between the lifting height and the lifting capacity and between the lifting height and the mobility are effectively solved.

A speed of a hydraulic actuator is matched with that of an electric actuator when the hydraulic actuator and the electric actuator are concurrently actuated. When determination units (71, 72) determine that a boom hydraulic cylinder (31) and a rotation generator motor (11) are concurrently actuated based on a controlled variable of a boom control lever (41) and a controlled variable of a rotation control lever (42), a torque of the rotation generator motor (11) is restricted based on a pump discharge pressure (Pp). Therefore, for example, a torque limit command is generated and output such that a torque limit value (TL2) of the rotation generator motor (11) is decreased with a decrease in discharge pressure (Pp) of a hydraulic pump (3).

The invention belongs to the field of the crane machinery, in particular relates to a hoisting mechanism, which comprises an upright post, wherein, the outer side of the upright post is provided with a rack; the direction of the rack is paralleled to the axis direction of the upright post; the upright post is also provided with a transmission device; the transmission device can move along with the limited direction of the rack, and the transmission device is provided with a bracket. Through the technical proposal, the upright post with a rack is adopted as a supporting element and a guiding element; when in use, the upright post fixes the working platform that is required to be supported and leveled on the bracket, and then the transmission device drives the bracket to move along with the limited direction of the rack, thereby completing the hoisting of the working platform and adjusting and leveling the working platform; therefore, the hoisting mechanism has simple structure, simple and convenient operation, and occupies less land area, and is safe and reliable.

Various embodiments of a vehicle jack include a base, an upright support mounted adjacent to and extending upwardly from the base, a toothed rack, a toothed bar pin, and a release handle. The toothed rack has a first end and a second end and defines a plurality of ratchet troughs therebetween, and the toothed rack is mounted adjacent the upright support. The ratchet assembly is adapted to move along a path defined by the upright support, and the toothed bar pin, which is mounted adjacent the ratchet assembly, is adapted to selectively engage a portion of the toothed rack adjacent one of the plurality of ratchet troughs as the ratchet assembly moves along the path. The release handle is mounted adjacent the second end of the toothed rack, and the release handle is adapted to selectively disengage the toothed bar pin from one of the plurality of ratchet troughs.

The invention discloses a lift. The lift comprises a work platform, a shearing fork mechanism and a lead screw, wherein a first end of the shearing fork mechanism comprises a first connector and a second connector; the first connector is hinged to a first sliding block; the second connector is hinged to a second sliding block; a second end of the shearing fork mechanism is connected with the work platform; the first sliding block and the second sliding block are arranged on the lead screw in a sleeving mode and in threaded fit with the lead screw. The lead screw comprises a first threaded section and a second threaded section with opposite spiral directions, and the first sliding block and the second sliding block are matched with the first threaded section and the second threaded section respectively. When the lift is used, the first sliding block and the second sliding block are made to get close or far away by rotating the lead screw in different directions, and the work platform is lifted up or lowered. That is, a user can precisely adjust the height of the work platform by controlling the rotation circle number of the lead screw, and the requirement is met.

A ramp constructed of an expanded plastic foam parallelepiped core encased in a thick coating of polyurea provides a lightweight, stable ramp suitable for vehicle servicing. A low angle, long length ramp of a low weight is provided. Heavy duty versions have on edge panels embedded in the core.

A lift cart is used for car engine maintenance and comprises a moving base for mounting an oil pressure lifting device. One end of the oil pressure lifting device is provided with a platform having a rotatable adjusting device which is adjustable back and forth. The adjusting device is provided with a supporting plate, and a plurality of carrying structures for carrying different sized engine is positioned on the supporting plate. Such arrangements allow the maintenance man to make the height, back and forth, and rotation angle adjustment during disassembly of the engine.

The invention relates to an antitheft exhibition stand, in particular to an air pressure type intelligent antitheft exhibition stand. A pneumatic system is arranged on a base. The upper end of a piston rod of a cylinder is connected with a connecting base plate which is connected with a connecting end cover. The lower end of a drive rod runs through the connecting end cover to be arranged on the connecting base plate. A direct current motor is fixed on the connecting end cover. A small gear is arranged on an output shaft of the direct current motor, and is meshed with a large gear arranged on the drive rod. The upper end of the drive rod runs through a hole on a bottom plate of an exhibition stand box, and is extended into the exhibition stand box and connected with an exhibition plate. A rubber gasket is arranged on the exhibition plate. Electrodes of an electric field sensor are uniformly arranged on the exhibition plate on the periphery of the rubber gasket. A photoelectric proximity switch is arranged in a central hole of the rubber gasket. The exhibition stand box is connected with the base by struts. A movable flashboard mechanism is arranged on the inner side of a top plate of the exhibition stand box. Vibration sensors are arranged on the four inner lateral surfaces of the exhibition stand box. The exhibition stand has improved safety performance, and functions in automatically protecting an exhibit.