摘要:
A chair assembly mounting apparatus is disclosed which may be employed to mount a chair, gondola, platform, etc. to a hanger arm for use in a chairlift or the like. The apparatus provides a movable connection between the chair frame and hanger arm which reduces vibration and fatigue and yet damps or resists excessive motion. The mounting apparatus includes a rubber-like member which encircles a frame portion, preferably having a flange thereon, and in turn is encircled by a support housing rigidly mounted to the hanger arm. Movement of the frame relative to the hanger arm causes the flange to resiliently displace the rubber-like member.
摘要:
A TOWER STRUCTURE AND ADJUSTABLE CLAMPING DEVICE FOR USE THEREWITH IN WHICH THE CLAMP IS FORMED TO FRICTIONALLY ENGAGE THE TOWER AT SELECTED VERTICAL HEIGHTS FOR SECURING A LOAD SUPPORTING ARM THERETO. THE TOWER IS FURTHER FORMED WITH A VERTICALLY EXTENDING INDEXING SURFACE AGAINST WHICH THE CLAMP BEARS AND MAY BE SECURED TO POSITION THE ARM IN HORIZONTALLY, VERTICALLY AND ANGULARLY INDEXED RELATION TO THE TOWER. THE LOAD SUPPORTING ARM IS CONSTRUCTED IN A MANNER WHICH ALLOWS THE MOMENT INDUCED BY LOADING THE ARM TO BE TRANSFERRED TO AND RESISTED BY THE ENGAGEMENT OF THE CLAMPING DEVICE WITH THE TOWER AND PARTICULARLY THE INDEXING SURFACE. A TOWER PARTICULARLY SUITED FOR USE AS A SKI LIFT TOWER IS DESCRIBED.
摘要:
A transportation system including a vehicle support structure (21), a vehicle (22) supported thereon, and elongated semi-rigid fin (44) attached to the vehicle (22) and a plurality of drive assemblies (45) positioned along the support structure (21) to frictionally engage and drive the fin (44). The fin (44) is sufficiently rigid for support of compressive loads, for example, in braking and acceleration, without lateral buckling, and moreover, the fin (44) is sufficiently rigid to assist in steering of the vehicle (22). The fin (44) preferably is not a continuous or endless member, but extends several vehicle lengths in front of the vehicle (22) for steering and most preferably several vehicle lengths behind the vehicle (22) for propulsion and braking. A flexible traction belt (86) optionally can be coupled in tandem with the fin (44) to provide an endless loop propulsion system. In the preferred form, the vehicle (21) is suspended by a pair of aligned, load-supporting wheels (36, 36a), and laterally extending outrigger roll control assemblies (40) are used to control roll of vehicle (22) about the load-supporting wheels (36, 36a). Methods for driving, steering and supporting the load of the vehicle (22) are also disclosed.
摘要:
A conveying or transportation system having a haul rope (22) mounted for movement along a path, and a carrier unit (27) coupled to the haul rope (22). The carrier unit (27) is coupled to the haul rope (22) by a rope coupling assembly (51), which preferably includes a tension sensing device (139) and a screw jack tension adjustment assembly (141,142,143,144) formed to respond to sensed tension in the haul rope (22) to adjust the same at the terminals (31). The screw jack tension adjustment assembly (53) preferably includes two screw members (141,142) which are movably mounted in collar assemblies (143,144) and driven by a motor (162) to tension or relax the haul rope (22). A method of automatically maintaining and adjusting the tensioning of the haul rope (22) also is provided.
摘要:
A rope tow system including a haul rope (23, 23a) extending along a path, haul rope mounting assembly (21, 22) mounting the haul rope (23, 23a) for movement in spaced relation above the tow path. Haul rope driving assembly (31, 32) is coupled to the haul rope for advancement thereof, and a plurality of hanger arms (42, 42a) are coupled to the haul rope and depend downwardly therefrom. Each hanger arm (42, 42a) is mounted to the haul rope (23, 23a) by a mounting assembly (43, 43a) substantially preventing rearward deflection of the hanger arms (42, 42a) relative to the haul rope (23, 23a). Finally, a user-grippable tow rope (41, 41a) is coupled to each of the hanger arms (42, 42a) for movement therewith. The tow rope (41, 41a) is secured to the hanger arms (42, 42a) in positions below the haul rope (23, 23a) and at a height above the snow surface (29) suitable for gripping by skiers while being towed along the tow path. A method of providing a tow rope system and a method of supporting a tow rope for advancement in the system.
摘要:
An aerial tramway (21) having an endless loop haul rope (41,42,43,44) supported for movement between end terminals (27,36) and preferably for movement over at least one intermediate support tower (75) with the haul rope oriented in a substantially vertical plane. The haul rope (41,42,43,44) has an upper rope portion (57) moving in one direction and a lower rope portion (56) moving in an opposite direction, and at least one carrier unit (46) is coupled for movement by a grip assembly (55) to the upper or lower rope portion. The carrier unit (46) further includes a sheave assembly (66) positioned to be in rolling engagement with the rope portion that is not gripped. In the preferred form, the grip assembly (55) grips the upper rope portion (57) while the sheave assembly (66) rollingly engages the lower rope portion (56). The improved tramway (21) and method includes positioning the upper and lower rope portions (56,57) at a vertical distance from each other which prevents engagement of the sheave assembly (66) with the lower rope portion (56) proximate the terminals (27,36) and proximate and over any intermediate towers (75). The sheave assembly (66) is periodically disengaged from the lower rope portion (56) and the re-engaged after the carrier unit (46) is beyond the towers (75) or advances away from the end terminals (27,36). A passenger carrier unit (46) and haul rope tensioning tower assembly (101) suitable for use in the tramway system (21) also is disclosed.
摘要:
An aerial tramway grip assembly (21) including a gripping head (24) carrying a pair of opposed movable jaws (26, 27) for gripping a haul rope (23) and a resilient biasing assembly (37) biasing the jaws (26, 27) towards a closed position. The improvement in the grip assembly (21) is comprised of two pairs of opposed stationary gripping surfaces (41,42,43,44) positioned proximate the jaws (26,27) and positioned to cooperate with an opposed one of the jaws (26,27) to grip the haul rope (23) therebetween in the event of release of the gripping force provided by the other jaw. Additionally, resilient biasing is provided by two independent rubber blocks or cylinders (38,39) which bias each jaw (26,27) toward an opposed jaw and toward the opposed stationary gripping surface (41-44). The stationary gripping surfaces (41-44) additionally are oriented to be gravity biased into wedging engagement with the haul rope (23) so as to grip the haul rope (23) even in the event of failure of the movable jaws (26,27). The grip assembly (21) also includes jaw actuating levers (53,54) coupled to the movable jaws (26,27) and formed to move the jaws to an open position against the resilient biasing by the rubber cylinders (2,8,39).
摘要:
An aerial tramway system and method are disclosed in which pairs of haul ropes are mounted to vertically oriented bull wheels. The drive bull wheels are preferably mounted to a common drive shaft to help synchronize haul rope advancement. An adjustment assembly is provided on one of the pair of drive bull wheels to enable dynamic adjustment of the effective radius of the bull wheel without changing the bull wheel rotation rate. Adjustment is based upon sensor feedback to previsely synchronize the haul rope advancement. The aerial tramway system further includes a first pair of endless loop haul ropes operating in one direction and a second pair of endless loop haul ropes operating in an opposite direction. The passenger carrier units are demountably attached to the haul ropes and transferred along transfer paths between stations at the end of the haul ropes so as to provide a system in which the passenger carrier units can be continuously cycled around the loop formed by the two pairs of haul ropes. An adjustable bull wheel assembly and method of employing the same to maintain haul rope synchronism are also disclosed.
摘要:
A method and apparatus of spacing detachable passenger carrier units along the length of a moving haul rope in an aerial tramway system is disclosed. The apparatus includes a conveyor system which has a spacing section that is operated at a speed which is reduced by a speed factor determined by the geometry of the passenger carrier units and the geometry and operating parameters of the particular tramway line on which the units are to be spaced. Additionally, the speed of the spacing section is varied in accordance with the number of units which are selected to be spaced along the length of the line as compared to the maximum capacity of the tramway. Input of the selected number of units to a controller programmed with the particular tramway operating parameters and geometry will automatically slave the spacing section so as to discharge units to a launching system at an interval which insures even spacing. Adjustment of errors in spacing is also provided by eddy current drive motors operated immediately in advance of the spacing section at a speed somewhat greater than the speed in the spacing section so as to eliminate gaps between the passenger carrier units and insure that all the units are positioned in touching relation in the spacing section. A conveyor system for controlled, positive advancement of load carrier units along a support rail also is disclosed.
摘要:
A transit system including a vehicle (21), an elongated flexible traction belt (22) coupled to the vehicle (21) to apply a traction force sufficient to propel the vehicle along a transit path (23), and a drive assembly (24) coupled to displace the traction belt (22). The traction belt (22) is oriented with sides (33) in a substantially vertical plane so that the vehicle (21) can be coupled to one edge (38) of the belt and the other edge (39) used to guide the vertical position of the belt. Intermediate the edges ( 38,39 ) drive assemblies (36,37) can be periodically provided along the length of the transit path (23) to frictionally engage and drive the traction belt without interference from either the guiding surfaces (56,57,58) or the vehicle coupling assembly (51). A method of propelling a vehicle (21) and a traction member-based transit system is provided including a step of applying a traction force to the vehicle ( 21 ) through a traction belt ( 22 ) while the belt is vertically oriented.