105 results about "Aerial lift" patented technology

A variable stackable ramp system for forming ramp assemblies for providing challenging obstacle courses including ones for aerial lift for sport jumping with skateboards, inline skates, bicycles and the like. The ramp system includes ramp modules of at least two different configurations with one being an inclined ramp module having an inclined upper riding or support surface and a straight ramp module having a generally horizontal straight upper riding or support surface. The ramp modules are adapted to be interconnected horizontally and vertically in a variety of orientations to provide ramp assemblies of selectively different overall configurations.

An electronic height control system for a vehicle chassis air suspension is modified to provide bimodal operation. In the second mode of operation the chassis air suspension system is maintain a stationary in a stable, level position to serve as a base for a mobile aerial lift unit installed on the vehicle. Operation of the suspension system in its stabilization and leveling mode is triggered by activation of a vehicle power take-off unit (“PTO”) used to position the aerial lift unit.

An aerial lift, a kit of parts for installing a safety device in the aerial lift and a method includes a moveable platform having a control panel operable to manoeuvre the platform provided near a first side of the platform and a proximity sensing means that remotely senses the presence of off-platform objects within a sensing zone opposite the control panel. A further method averts an accident when operating an aerial lift by remotely sensing whether or not an off-platform object is present in a sensing zone of proximity, and if an object is sensed in the sensing zone, signalling an alarm and / or shutting down the aerial lift to stop further movement of the platform.

A sturdy, pre-formed steel shelf for use on scissor and aerial lifts and of the type having a formed handrail channel (14) that supports the shelf on the handrail of the lift (26). The base of the shelf (10) contains tool holders (20) that allow the worker to easily locate his tools. In addition, the tray is designed to be quickly placed on and removed from the lift by the use of safety pin (22) and safety pin clip (24).

A safety device for an aerial lift (10) having a basket (20) with controls (23) which permit an operator to manoeuvre the basket (20), and a foot operable safety switch (24) which activates the controls (23), the safety device comprising an auxiliary safety switch (24) operated by a trip cord (27) arranged proximate to the controls (23) and which is connected in series with the foot safety switch (24) so that in the event that the cord is distorted the auxiliary switch (26) prevents activation of the control panel (23) and may additionally operate an alarm.

A method of constructing a five section telescoping aerial lift, crane or similar vehicle-mounted equipment and a lift constructed in accordance with the method having one end pivotally secured, about a horizontal axis, to the pedestal and the other end of the telescoping boom is equipped with a sheave for rigging the turret winch lift-line and / or it is equipped with a platform assembly for positioning workers, tools, or other devices at high positions, the four telescoping boom sections being extended and retracted individually by means of one hydraulic actuator for each moving section, two actuators located in the interior of the boom sections and two actuators located on the exterior of the boom sections.

A safety device for an aerial lift having a basket with controls which permit an operator standing in the basket to manoeuvre the basket. The safety device comprises an alarm, a switch activation device proximate to the controls and two solenoid operated relays, one connected with a normally-closed manually operable emergency switch means which is operable to cut electrical supply and prevent further movement of the basket, and one connected with a foot operable safety switch, which must be held closed by an operator to activate the controls. Each relay is held in a closed condition (switch on) unless caused to change to an open condition (switch off) to cut electrical supply. The relays are controlled by a programmable control box connected to the switch activation device, foot switch and alarm. The control box causes the alarm to operate in accordance with the condition of the foot operable safety switch.

A safety device for an aerial lift (10) having operator controls (23) for manoeuvring its basket (20) to a desired location and including at least one passive normally closed safety switch means (30)(130), e.g. m emergency switch, operable to cut electrical supply and prevent further movement of the basket (20), the safety device comprising a switch activation device (27,160,170) extending across the basket proximate to said controls (23) and an auxiliary safety switch (26) connected in series with the safely switch means (30,130) with its contacts C1 normally closed (switch on) unless caused to open (switch off) by operation of said switch activation means, thereby cutting off said electrical supply.

A wireless and wired control mechanism is provided for an aerial lift or crane wherein a control box is located within the work platform of the aerial lift. The control box is hard wired to a radio receiver in the control mechanism of the aerial lift or crane. The control box is also wireless connected to the control mechanism which permits a radio transmitter in the control box to transmit signals to the control mechanism when the hard wired connection between the control box and the control mechanism is disconnected. The control box is conveniently movable within the work platform and may be completely removed therefrom so that an operator may control the functions of the aerial lift or crane from the ground by way of the wireless connection.

A self-contained and ready-to-use work platform attachment for mobile cranes, which transforms them into a state-of-the-art aerial boom lift with powered platform leveling and powered rotation up to 180-degrees. It can be supplied by the crane manufacturer with a new crane, or as an after-market attachment add-on, and may be easily pinned to the swing-jib mounting system on the outermost boom tip sheave head present on most mobile cranes without adaptive components or crane modification. In contrast, current work platforms and baskets only have gravity-leveling in association with 180-degrees of unrestricted platform rotation range, and current aerial lift boom trucks, which can function as crane booms, are not designed for add-on or after-market self-contained pin-on work platforms, instead having an integrally-designed platform with rotation and leveling powered from a base unit via hose and cable reels or carries, which are not required with the self-contained and ready-to-use work platform attachment.

A pivoting axle system for an aerial lift vehicle includes a plurality of axles pivotally secured to the vehicle chassis at respective pivot points between a stowed position and a working position. Each axle is coupleable with a wheel assembly at distal ends thereof. Actuators are connected between the chassis and each of the plurality of axles, respectively, where the actuators are connected to the chassis at positions spaced from the pivot points, respectively. Additionally, each of the plurality of axles is independently controllable.

A pre-crush sensor module for use with a safety device for an aerial lift having a basket or cage. The pre-crush sensor module having removably attachable sensor which provide a detection zone wherein the sensors detect obstacles. The sensor module also having an operator warning system and a relay to connect the sensors to the safety device.

An aerial lift balloon and signaling components attached thereto are stored within a closure member held assembled with a breakaway housing to form a package storing an inflating device for the balloon. Removal of the closure member initiates inflation of the balloon and operation of the signaling components, while removal of an end cover of the package permits separation of the breakaway housing enabling the positioning of the inflating device by a flotation collar portion of the package for aerial launching of the balloon. A stroboscopic light suspended between the floatation collar and the aerial lift balloon provides enhanced visibility of the signal device.

A fall arresting / prevention warning device that interfaces with one or more sensors that may be non-invasive and not interfere with normal operation of an aerial lift. The sensors detect movement of an aerial lift work platform and warn the operator when movement of the aerial lift is detected in order to have the operator verify that safety precautions have been taken to safely operate the aerial lift. The warning device may further detect movement of the aerial lift and simultaneously receive signals from one or more detection sensors of safety devices mounted to the vehicle, boom, work platform, or operator to verify safe operation of the aerial lift and provide a warning to the operator only when the proper operational status of a safety device is not detected, reinforcing the necessity to adhere to safety precautions when operating the aerial lift.

A powered rotating and articulating self-contained jib boom of both swing jib and non-swing jib design that attaches to mobile cranes and functions as an aerial lift when fitted with an optional work platform. Since it pins onto any existing crane by attachment to a standard swing-jib mounting system using the four pinning holes and pins located on the crane's outer most boom tip sheave head, it achieves powered leveling and rotation of a platform without having to modify or add components to the existing crane. Also, with the crane jib boom hydraulically powered for rotation in the horizontal plane up to 360-degrees and articulation in a 90-degree vertical plane, an attached work platform can be kept level during up / down articulation of the crane boom in its vertical plane. Furthermore, with dielectric insulation, the jib boom, crane boom, and attached work platform are usable on live electrical line work.

An aerial lift is provided which includes a stowable jib boom and a stowable work platform. The stowable jib boom may be stowed at one side of the main boom and the work platform may be stowed at the other side of the main boom. The jib boom is easily brought into position through the use of a mounting apparatus on the outer end of the innermost boom section of the boom assembly. The work platform may also be moved between its stowed and working positions through the use of the mounting apparatus on the outer end of the inner boom section.

A variable stackable ramp system for forming ramp assemblies for providing challenging obstacle courses including ones for aerial lift for sport jumping with skateboards, inline skates, bicycles and the like. The ramp system includes ramp modules of at least two different configurations with one being an inclined ramp module having an inclined upper riding or support surface and a straight ramp module having a generally horizontal straight upper riding or support surface. The ramp modules are adapted to be interconnected horizontally and vertically in a variety of orientations to provide ramp assemblies of selectively different overall configurations.

This is an auxiliary Tool and Material Shelf device for a use on a work platform for mobile aerial lifts. Construction and maintenance workers use the device to safely organize and position their tools and materials on the work platform. The universal configuration permits use with various sized aerial lifts and the device supports heavier material and tool loads compared to other prior art. The tool and material shelf / support device includes various options such as various shelves and material supports to be suitable for the differing needs of the user. The main components are comprised of two universal “U” shaped interlock members that fit over the platform guard rails; a vertical structural support may be custom fitted or designed complete with an adjustable locking device; and the trays and / or material supports to hold the tools and materials.

Protecting device for a user of an aerial lift and aerial lift comprising such a deviceThe device (100) according to the invention for protecting a user (U) of an aerial lift comprises a clothing element (100) designed to be worn by the user (U) and equipped with a signaling mechanism (101-103) connected to a controller (73) of the lift. Said alert means (101-103) comprise a member, such as a button (101) or a pull-tab, designed to be actuated by the user (U) to trigger an emergency stop when the user detects a potentially dangerous situation.

The aerial work platform includes; a platform provided with a guardrail and a mechanism for lifting this platform; a desk for controlling the movements of the aerial work platform, one or more virtual-barrier systems for determining that an individual on the platform is close to a part of the guardrail adjacent to the desk and / or is leaning towards the desk, by detecting interference between the individual and the virtual barrier, the system inhibiting at least certain movements of the aerial work platform if it detects interference with the barrier. The virtual-barrier system includes at least one emitter and one receiver of waves, the system detecting interference of an external object with the barrier by the fact that the receiver receives waves emitted by the emitter by reflection off the object that is interfering with the barrier.

Anchorage devices for an aerial lift that can include a base plate and a slide bar coupled to the base plate. The aerial device can include a bucket, and the base plate can be coupled to the inside or outside of the bucket. Supplementary anchorage points of the anchorage device can be attached to the lift using lanyards. The slide bar can be attached to the base plate using stanchions. A removable anchorage device can include inner and outer mounting bars, bucket engaging brackets coupling the mounting bars, and a slide bar; where the bucket engaging brackets fit over the bucket for attachment to and detachment from the bucket. The removable anchorage device can include supplementary anchorage points for attaching to the lift using lanyards. One of the mounting bars can be hollow and a supplementary lanyard attached to the lift can pass through the hollow mounting bar.

The present invention provides an anti-entrapment device for an aerial lift having a basket or cage. The anti-entrapment device comprises an elongate housing; two or more sensors housed within said elongate housing and a switch activation device coupled to the elongate housing. At least one of said two or more sensors is positioned proximate an end of said elongate housing. Said switch activation device is arranged at an angle to the orientation of said sensor(s) positioned proximate the end of said elongate housing. The sensors are arranged to provide a detection zone and to detect obstacles within the detection zone. The sensors are configured to facilitate the alerting of an operator standing in a basket or cage to the presence of an obstacle that may potentially strike the operator before the strike occurs, and the switch activation device is configured to prevent further movement of the basket or cage once the switch activation device is activated.

The present invention is a lift accessory for aerial lifts and related machines. The lift accessory includes sets of retractable supports for materials around the perimeter of an aerial lift platform. In a preferred embodiment, two accessories would be installed on opposite ends of the lift platform. Typically, the accessory is based upon a section of steel tubing. The inside end may be pivotally attached via a bolt or other appropriate attachment means to a railing on a work platform of the lift.

An anchoring assembly for the aerial lift platform of an aerial lift vehicle, which provides a strong anchor point inside of a bucket liner for preventing an operator from being ejected from the bucket, and also provides dielectric protection mandated by OSHA and ANSI standards.

The invention provides a quick hot-line by-pass jumper removing operation method for a 10kV insulated power distribution line. The operation method is implemented by a work leader, an on-post ground potential operation electrician and two ground operation electricians. A ground potential operation method is adopted and mainly comprises the operation steps of applying for stopping using re-closing equipment, making insulation isolation measures, removing one side phase by-pass jumper, taking insulation isolation measures at a removing position, removing the other side phase by-pass jumper, removing a middle phase by-pass jumper, detecting and fixing the removed by-pass jumpers, removing an insulating device, restoring the re-closing equipment of the line and the like. The quick hot-line by-pass jumper removing operation method for the 10kV insulated power distribution line has the advantages that the operation method is convenient, quick, time-saving and labor-saving, the working efficiency can be greatly improved, the limitations and the defects of the traditional direction operation methods by using an aerial lift device with an insulating arm and insulating sleeves are overcome, the reliability of power supply guarantee is improved and the range of hot-line operation items of a power distribution network is widened.

The invention provides a quick hot-line by-pass jumper overlapping operation method for a 10kV insulated power distribution line. The operation method is cooperatively implemented by a work leader, an on-post ground potential operation electrician and two ground operation electricians. A ground potential operation method is adopted and mainly comprises the operation steps of applying for stopping using re-closing equipment, taking insulation isolation measures, making a preparation for overlapping, stripping off a middle phase conductor insulating layer, overlapping a middle phase joint, overlapping two side phase joints, removing insulation isolation measures, restoring the re-closing equipment of the line and the like. The quick hot-line by-pass jumper overlapping operation method for the 10kV insulated power distribution line has the advantages that the operation method is convenient, quick, time-saving and labor-saving, the working efficiency can be greatly improved, the limitations and the defects of the traditional direction operation methods by using an aerial lift device with an insulating arm and insulating sleeves are overcome, the reliability of power supply guarantee is improved and the range of hot-line operation items of a power distribution network is widened.